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Gholizadeh M, Bagheri T, Harsij M, Danabas D, Zakeri M, Siddique MAM. Assessment of microplastic contamination in some commercial fishes of the southern Caspian Sea and its potential risks. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:26006-26018. [PMID: 38492137 DOI: 10.1007/s11356-024-32901-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 03/10/2024] [Indexed: 03/18/2024]
Abstract
This study examined the occurrence of microplastics (MPs) in the gastrointestinal tract (GIT) of 384 fishes classified into four species from 11 sites in 2022 from the southern part of the Caspian Sea. GITs of fishes were collected and digested in H2O2 and KOH at 45 °C for 72 h. After filtration, extracted MPs were observed under a stereomicroscope, and selected MP particles were identified using FTIR. Presence of MPs was 68.98% in the GIT of the investigated fish. The mean abundance of MPs was 5.9 ± 0.9 MPs/GIT in Rutilus kutum, 9.2 ± 1.2 MPs/GIT in Chelon auratus, 3.6 ± 0.7 MPs/GIT in Alosa braschnikowi, and 2.7 ± 0.5 MPs/GIT in Vimba vimba. The predominant form of MPs was fiber (58.21%), followed by fragment (34.77%). Black (34.4%), white (19.07%), and blue (14.58%) were the most frequently detected colors of MPs. Overall, 6 MP polymers were identified, dominantly polypropylene (42.86%), polystyrene (17.86%), and cellophane (14.28%). The western part of the Caspian Sea (mostly tourist spots and urban areas) showed more MP pollution in fish compared to the eastern part. Polymer hazard index (PHI) revealed alarming microplastic contamination in the southern Caspian Sea. The PHI value of the present study showed that PES (PHI = 8403.78) and PS (PHI = 535.80) were "Extreme danger" and "Danger" risk categories, respectively.
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Affiliation(s)
- Mohammad Gholizadeh
- Department of Fisheries, Faculty of Agriculture and Natural Resources, Gonbad Kavous University, P.O. box: 163, Gonbad Kavous, Iran.
| | - Tahereh Bagheri
- Offshore Water Research Center, Education and Extension Organization, Iranian Fisheries Science Research Institute, Agricultural Research, Chabahar, Iran
| | - Mohammad Harsij
- Department of Fisheries, Faculty of Agriculture and Natural Resources, Gonbad Kavous University, P.O. box: 163, Gonbad Kavous, Iran
| | - Durali Danabas
- Department of Aquaculture, Faculty of Fisheries, Munzur University, TR62000, Tunceli, Turkey
| | - Mohammad Zakeri
- Department of Fisheries, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas, Iran
| | - Mohammad Abdul Momin Siddique
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrogenases, Research Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Zatisi 728/II, 389 25, Vodnany, Czech Republic
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102
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Lin X, Lin S, Peng L, Chen M, Cheng X, Xie S, Bao R, Su Y, Mehmood T. Effects of polypropylene microplastics on carbon dioxide dynamics in intertidal mangrove sediments. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123682. [PMID: 38428788 DOI: 10.1016/j.envpol.2024.123682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 01/23/2024] [Accepted: 02/27/2024] [Indexed: 03/03/2024]
Abstract
Microplastics (MPs) in soil can influence CO2 dynamics by altering organic carbon (OC) and microbial composition. Nevertheless, the fluctuation of CO2 response attributed to MPs in mangrove sediments is unclear. This study explores the impact of micro-sized polypropylene (mPP) particles on the carbon dynamics of intertidal mangrove sediments. In the high-tide level sediment, after 28 days, the cumulative CO2 levels for varying mPP dosages were as follows: 496.86 ± 2.07, 430.38 ± 3.84 and 447.09 ± 1.72 mg kg-1 for 0.1%, 1% and 10% (w/w) mPP, respectively. The CO2 emissions were found to be increased with a 0.1% (w/w) mPP level and decreased with 1% and 10% (w/w) mPP at high-tide level sediment, suggesting a tide level-specific dose dependence of the CO2 emission pattern in mangrove sediments. Overall, results indicated that the presence of mPP in mangrove sediments would potentially affect intertidal total CO2 storage under given experimental conditions.
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Affiliation(s)
- Xubing Lin
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Center for Eco-Environment Restoration Engineering of Hainan Province, Hainan University, Haikou, 570228, China; School of Ecology and Environment, Hainan University, Haikou, Hainan Province, 570228, China
| | - Shuying Lin
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Center for Eco-Environment Restoration Engineering of Hainan Province, Hainan University, Haikou, 570228, China; School of Ecology and Environment, Hainan University, Haikou, Hainan Province, 570228, China
| | - Licheng Peng
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Center for Eco-Environment Restoration Engineering of Hainan Province, Hainan University, Haikou, 570228, China; School of Ecology and Environment, Hainan University, Haikou, Hainan Province, 570228, China.
| | - Miao Chen
- Hainan Key Laboratory of Tropical Eco-Circular Agriculture, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Xing Cheng
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Center for Eco-Environment Restoration Engineering of Hainan Province, Hainan University, Haikou, 570228, China; School of Ecology and Environment, Hainan University, Haikou, Hainan Province, 570228, China
| | - Shiyu Xie
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Center for Eco-Environment Restoration Engineering of Hainan Province, Hainan University, Haikou, 570228, China; School of Ecology and Environment, Hainan University, Haikou, Hainan Province, 570228, China
| | - Ruiqi Bao
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Center for Eco-Environment Restoration Engineering of Hainan Province, Hainan University, Haikou, 570228, China; School of Ecology and Environment, Hainan University, Haikou, Hainan Province, 570228, China
| | - Yuanyuan Su
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Center for Eco-Environment Restoration Engineering of Hainan Province, Hainan University, Haikou, 570228, China; School of Ecology and Environment, Hainan University, Haikou, Hainan Province, 570228, China
| | - Tariq Mehmood
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Center for Eco-Environment Restoration Engineering of Hainan Province, Hainan University, Haikou, 570228, China; School of Ecology and Environment, Hainan University, Haikou, Hainan Province, 570228, China
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103
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Lynch JM, Corniuk RN, Brignac KC, Jung MR, Sellona K, Marchiani J, Weatherford W. Differential scanning calorimetry (DSC): An important tool for polymer identification and characterization of plastic marine debris. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123607. [PMID: 38382730 DOI: 10.1016/j.envpol.2024.123607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/01/2024] [Accepted: 02/17/2024] [Indexed: 02/23/2024]
Abstract
Differential scanning calorimetry (DSC), a routine thermoanalytical method in material science, is gaining utility in plastic pollution research to improve polymer identification. We optimized a DSC method, experimentally testing pan types, temperature ramps, number of melts, and minimum sample masses. Using the optimized method, we created an in-house thermogram library from 201 polymer reference standards. We determined peak melting temperature cutoffs for differentiating variants of PE and nylon. PE cutoffs remained stable after experimentally weathering standards outdoors or for severely weathered HDPE debris found on Hawaii's beaches. Marine debris samples, across a range of weathering severity and previously identified as either low-density or high-density polyethylene (LDPE or HDPE) based on the 1377 cm-1 peak indicating methyl groups by attenuated total reflectance Fourier-transform infrared spectroscopy (ATR-FTIR), were analyzed by DSC to confirm or challenge the ATR-FTIR PE differentiation. ATR-FTIR was correct for >80% of the HDPE samples, but <40% of those initially identified as LDPE by ATR-FTIR. Accuracy did not relate to weathering extent. Most samples mis-identified as LDPE were HDPE that had formed methyl groups likely from chain scission during photooxidation. ATR-FTIR alone is unreliable for differentiating weathered PE, DSC is required. We provide a multiple-method workflow for complete and accurate polymer identification, even for microplastics ≥0.03 mg. Applying these methods can better identify the polymer composition of marine debris, essential for sourcing and recycling efforts.
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Affiliation(s)
- Jennifer M Lynch
- National Institute of Standards and Technology, 41-202 Kalanianaole Hwy, Suite 9, Waimanalo, HI, 96795, USA; Hawaii Pacific University, Center for Marine Debris Research, 41-202 Kalanianaole Hwy, Suite 9, Waimanalo, HI, 96795, USA.
| | - Raquel N Corniuk
- Hawaii Pacific University, Center for Marine Debris Research, 41-202 Kalanianaole Hwy, Suite 9, Waimanalo, HI, 96795, USA
| | - Kayla C Brignac
- Hawaii Pacific University, Center for Marine Debris Research, 41-202 Kalanianaole Hwy, Suite 9, Waimanalo, HI, 96795, USA
| | - Melissa R Jung
- Hawaii Pacific University, Center for Marine Debris Research, 41-202 Kalanianaole Hwy, Suite 9, Waimanalo, HI, 96795, USA
| | - Kristine Sellona
- Hawaii Pacific University, Center for Marine Debris Research, 41-202 Kalanianaole Hwy, Suite 9, Waimanalo, HI, 96795, USA
| | - Joelle Marchiani
- National Institute of Standards and Technology, 41-202 Kalanianaole Hwy, Suite 9, Waimanalo, HI, 96795, USA; Hawaii Pacific University, Center for Marine Debris Research, 41-202 Kalanianaole Hwy, Suite 9, Waimanalo, HI, 96795, USA
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104
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Obrador‐Viel T, Zadjelovic V, Nogales B, Bosch R, Christie‐Oleza JA. Assessing microbial plastic degradation requires robust methods. Microb Biotechnol 2024; 17:e14457. [PMID: 38568802 PMCID: PMC10990042 DOI: 10.1111/1751-7915.14457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/23/2024] [Accepted: 03/14/2024] [Indexed: 04/05/2024] Open
Abstract
Plastics are versatile materials that have the potential to propel humanity towards circularity and ultimate societal sustainability. However, the escalating concern surrounding plastic pollution has garnered significant attention, leading to widespread negative perceptions of these materials. Here, we question the role microbes may play in plastic pollution bioremediation by (i) defining polymer biodegradability (i.e., recalcitrant, hydrolysable and biodegradable polymers) and (ii) reviewing best practices for evaluating microbial biodegradation of plastics. We establish recommendations to facilitate the implementation of rigorous methodologies in future studies on plastic biodegradation, aiming to push this field towards the use of isotopic labelling to confirm plastic biodegradation and further determine the molecular mechanisms involved.
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Affiliation(s)
| | - Vinko Zadjelovic
- Centro de Bioinnovación de Antofagasta (CBIA), Facultad de Ciencias del Mar y Recursos BiológicosUniversidad de AntofagastaAntofagastaChile
- Centre for Biotechnology & Bioengineering (CeBiB)SantiagoChile
| | - Balbina Nogales
- Department of BiologyUniversity of the Balearic IslandsPalmaSpain
| | - Rafael Bosch
- Department of BiologyUniversity of the Balearic IslandsPalmaSpain
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105
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Kwabena Danso I, Woo JH, Hoon Baek S, Kim K, Lee K. Pulmonary toxicity assessment of polypropylene, polystyrene, and polyethylene microplastic fragments in mice. Toxicol Res 2024; 40:313-323. [PMID: 38525136 PMCID: PMC10959865 DOI: 10.1007/s43188-023-00224-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 12/19/2023] [Accepted: 12/28/2023] [Indexed: 03/26/2024] Open
Abstract
Polypropylene (PP), polystyrene (PS), and polyethylene (PE) plastics are commonly used in household items such as electronic housings, food packaging, bottles, bags, toys, and roofing membranes. The presence of inhalable microplastics in indoor air has become a topic of concern as many people spent extended periods of time indoors during the COVID-19 pandemic lockdown restrictions, however, the toxic effects on the respiratory system are not properly understood. We examined the toxicity of PP, PS, and PE microplastic fragments in the pulmonary system of C57BL/6 mice. For 14 days, mice were intratracheally instilled 5 mg/kg PP, PS, and PE daily. The number of inflammatory cells such as macrophages, neutrophils, and eosinophils in the bronchoalveolar lavage fluid (BALF) of PS-instilled mice was significantly higher than that in the vehicle control (VC). The levels of inflammatory cytokines and chemokines in BALF of PS-instilled mice increased compared to the VC. However, the inflammatory responses in PP- and PE-stimulated mice were not significantly different from those in the VC group. We observed elevated protein levels of toll-like receptor (TLR) 2 in the lung tissue of PP-instilled mice and TLR4 in the lung tissue of PS-instilled mice compared with those to the VC, while TLR1, TLR5, and TLR6 protein levels remained unchanged. Phosphorylation of nuclear factor kappa B (NF-κB) and IĸB-α increased significantly in PS-instilled mice compared with that in VC. Furthermore, Nucleotide‑binding oligomerization domain‑like receptor family pyrin domain‑containing 3 (NLRP3) inflammasome components including NLRP3, apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC), and Caspase-1 in the lung tissue of PS-instilled mice increased compared with that in the VC, but not in PP- and PE-instilled mice. These results suggest that PS microplastic fragment stimulation induces pulmonary inflammation due to NF-ĸB and NLRP3 inflammasome activation by the TLR4 pathway. Supplementary Information The online version contains supplementary material available at 10.1007/s43188-023-00224-x.
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Affiliation(s)
- Isaac Kwabena Danso
- Inhalation Toxicology Center for Airborne Risk Factor, Korea Institute of Toxicology, 30 Baehak1-Gil, Jeongeup, Jeollabuk-do 56212 Republic of Korea
- Department of Human and Environmental Toxicology, Korea National University of Science & Technology, Daejeon, 34113 Republic of Korea
| | - Jong-Hwan Woo
- Inhalation Toxicology Center for Airborne Risk Factor, Korea Institute of Toxicology, 30 Baehak1-Gil, Jeongeup, Jeollabuk-do 56212 Republic of Korea
- Biosafety Research Institute and Laboratory of Pathology, College of Veterinary Medicine, Jeonbuk National University, Jeollabuk do, Iksan-si, Republic of Korea
| | - Seung Hoon Baek
- Inhalation Toxicology Center for Airborne Risk Factor, Korea Institute of Toxicology, 30 Baehak1-Gil, Jeongeup, Jeollabuk-do 56212 Republic of Korea
- Department of Human and Environmental Toxicology, Korea National University of Science & Technology, Daejeon, 34113 Republic of Korea
| | - Kilsoo Kim
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu, 41061 Republic of Korea
- College of Veterinary Medicine, Kyungpook National University, 80 Daehakro, Buk-Gu, Daegu, 41566 Republic of Korea
| | - Kyuhong Lee
- Inhalation Toxicology Center for Airborne Risk Factor, Korea Institute of Toxicology, 30 Baehak1-Gil, Jeongeup, Jeollabuk-do 56212 Republic of Korea
- Department of Human and Environmental Toxicology, Korea National University of Science & Technology, Daejeon, 34113 Republic of Korea
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106
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Martín-Vélez V, Cano-Povedano J, Cañuelo-Jurado B, López-Calderón C, Céspedes V, Ros M, Sánchez MI, Shamoun-Baranes J, Müller W, Thaxter CB, Camphuysen CJ, Cózar A, Green AJ. Leakage of plastics and other debris from landfills to a highly protected lake by wintering gulls. WASTE MANAGEMENT (NEW YORK, N.Y.) 2024; 177:13-23. [PMID: 38281470 DOI: 10.1016/j.wasman.2024.01.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 01/11/2024] [Accepted: 01/18/2024] [Indexed: 01/30/2024]
Abstract
GENERAL CONTEXT Gulls ingest plastic and other litter while foraging in open landfills, because organic matter is mixed with other debris. Therefore, gulls are potential biovectors of plastic pollution into natural habitats, especially when they concentrate in wetlands for roosting. NOVELTY We quantified, for the first time, the flow of plastic and other anthropogenic debris from open landfills to a natural lake via the movement of gulls. We focused on Fuente de Piedra, an inland closed-basin lake in Spain that is internationally important for biodiversity. METHODOLOGY In 2022, we sampled gull pellets regurgitated in the lake by lesser black-backed gulls Larus fuscus that feed on landfills, as well as their faeces, then characterized and quantified debris particles of ≥0.5 mm. By combining GPS and census data from 2010 to 2022, together with plastic quantification based on FTIR-ATR analysis, we estimated the average annual deposition of plastic and other debris by the wintering gull population into the lake. MAIN RESULTS 86 % of pellets contained plastics, and 94 % contained other debris such as glass and textiles. Polyethylene (54 %), polypropylene (11.5 %) and polystyrene (11.5 %) were the main plastic polymers. An estimated annual mean of 400 kg of plastics were moved by gulls into the lake. Only 1 % of plastic mass was imported in faeces. DISCUSSION Incorporating the biovectoring role of birds can provide a more holistic view of the plastic cycle and waste management. Biovectoring is predictable in sites worldwide where gulls and other waterbirds feed in landfills and roost in wetlands. We discuss bird deterrence and other ways of mitigating debris leakage into aquatic ecosystems.
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Affiliation(s)
- Víctor Martín-Vélez
- Institut de Ciències del Mar (ICM), CSIC, Passeig Marítim de la Barceloneta, Barcelona 37-49 08003, Spain; Department of Conservation Biology and Global Change, Estación Biológica de Doñana CSIC, Américo Vespucio 26, Sevilla 41092, Spain.
| | - Julián Cano-Povedano
- Department of Conservation Biology and Global Change, Estación Biológica de Doñana CSIC, Américo Vespucio 26, Sevilla 41092, Spain
| | - Belén Cañuelo-Jurado
- Department of Conservation Biology and Global Change, Estación Biológica de Doñana CSIC, Américo Vespucio 26, Sevilla 41092, Spain
| | - Cosme López-Calderón
- Department of Conservation Biology and Global Change, Estación Biológica de Doñana CSIC, Américo Vespucio 26, Sevilla 41092, Spain; Grupo de Investigación en Conservación. Biodiversidad y Cambio Global, Universidad de Extremadura, Badajoz, Spain
| | - Vanessa Céspedes
- Department of Conservation Biology and Global Change, Estación Biológica de Doñana CSIC, Américo Vespucio 26, Sevilla 41092, Spain
| | - Macarena Ros
- Departamento de Zoología, Facultad de Biología, Universidad de Sevilla, Av. Reina Mercedes 6, Sevilla 41012, Spain
| | - Marta I Sánchez
- Department of Conservation Biology and Global Change, Estación Biológica de Doñana CSIC, Américo Vespucio 26, Sevilla 41092, Spain
| | - Judy Shamoun-Baranes
- Theoretical and Computational Ecology, Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Amsterdam 1090 GE, The Netherlands
| | - Wendt Müller
- Department of Biology, Behavioural Ecology and Ecophysiology Group, University of Antwerp, Universiteitsplein 1, Wilrijk, Antwerp 2610, Belgium
| | - Chris B Thaxter
- British Trust for Ornithology, The Nunnery, Thetford, Norfolk IP24 2PU, UK
| | - Cornelis J Camphuysen
- COS Department, Netherlands Institute for Sea Research, P.O. Box 59, 1790 AB Den Burg, Texel, The Netherlands
| | - Andrés Cózar
- Department of Biology, Institute of Marine Research (INMAR), University of Cadiz and European University of the Seas (SEA-EU), Puerto Real 11510, Spain
| | - Andy J Green
- Department of Conservation Biology and Global Change, Estación Biológica de Doñana CSIC, Américo Vespucio 26, Sevilla 41092, Spain
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107
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Muliari M, Mahdaliana, Irfannur I, Akmal Y, Batubara AS. Pollutant levels in the waters of the industrial area of North Aceh and Lhokseumawe Regency, Indonesia. MARINE POLLUTION BULLETIN 2024; 201:116170. [PMID: 38382320 DOI: 10.1016/j.marpolbul.2024.116170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 02/23/2024]
Abstract
This research was conducted from June to August 2023. Data and samples were collected using an exploratory survey method in four locations around the industrial area, namely PT. ASEAN Aceh Fertilizer and PT. Kertas Kraft Aceh in North Aceh Regency, while PT. Pupuk Iskandar Muda and PT. Harun NGL in Lhokseumawe Regency, Indonesia. Observations of physico-chemical parameters including measurements of salinity, bicarbonate, calcium, magnesium, nitrate, nitrite, orthophosphate, total alkalinity, and total ammonia were analyzed in the Laboratory of PT Intraco Agroindustri, Langkat Regency, North Sumatra, Indonesia. Microplastic analysis was carried out at the Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, Indonesia. The biological parameters measured in this research include the chlorophyll concentration in the water locations observed. Based on the results of the analysis, it shows that the calcium, magnesium, orthophosphate content at the four research locations has exceeded the quality standards, while the nitrate content is only at PT. ASEAN Aceh Fertilizer and PT. Kertas Kraft Aceh that exceeds the quality standards. The bicarbonate, nitrite, salinity, total alkalinity, and total ammonia content at the four research locations were under normal conditions. The chlorophyll content in the four research locations was categorized as low fertility (oligotrophic). Based on the analysis, it also shows that the four research locations were contaminated with microplastics with a range of 2.78-5.49 particles/l.
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Affiliation(s)
- Muliari Muliari
- Department of Marine Science, Faculty of Agriculture, Universitas Malikussaleh, Aceh Utara, Indonesia.
| | - Mahdaliana
- Department of Aquaculture, Faculty of Agriculture, Universitas Malikussaleh, Aceh Utara, Indonesia
| | - Irfannur Irfannur
- Department of Aquaculture, Faculty of Agriculture, Universitas Almuslim, Bireuen, Indonesia
| | - Yusrizal Akmal
- Department of Aquaculture, Faculty of Agriculture, Universitas Almuslim, Bireuen, Indonesia
| | - Agung Setia Batubara
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, North Sumatra, Indonesia
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108
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Primpke S, Meyer B, Falcou-Préfol M, Schütte W, Gerdts G. At second glance: The importance of strict quality control - A case study on microplastic in the Southern Ocean key species Antarctic krill, Euphausia superba. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170618. [PMID: 38325470 DOI: 10.1016/j.scitotenv.2024.170618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/30/2024] [Accepted: 01/30/2024] [Indexed: 02/09/2024]
Abstract
The stomach content of 60 krill specimens from the Southern Ocean were analyzed for the presence of microplastic (MP), by testing different sample volumes, extraction approaches, and applying hyperspectral imaging Fourier-transform infrared spectroscopy (μFTIR). Strict quality control was applied on the generated results. A high load of residual materials in pooled samples hampered the analysis and avoided a reliable determination of putative MP particles. Individual krill stomachs displayed reliable results, however, only after re-treating the samples with hydrogen peroxide. Before this treatment, lipid rich residues of krill resulted in false assignments of polymer categories and hence, false high MP particle numbers. Finally, MP was identified in 4 stomachs out of 60, with only one MP particle per stomach. Our study highlights the importance of strict quality control to verify results before coming to a final decision on MP contamination in the environment to aid the establishment of suitable internationally standardized protocols for sampling and analysis of MP in organisms including their habitats in Southern Ocean and worldwide.
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Affiliation(s)
- Sebastian Primpke
- Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Division Shelf Sea System Ecology, Biologische Anstalt Helgoland, Kurpromenade, 27498 Helgoland, Germany.
| | - Bettina Meyer
- Alfred Wegener Institute for Polar and Marine Research, Division Polar Biological Oceanography, Am Handelshafen 12, 27570 Bremerhaven, Germany; Carl-von-Ossietzky University Oldenburg, Institute for Chemistry and Biology of the Marine Environment, Ammerländer Heerstraße 114-118, 26129 Oldenburg, Germany; Helmholtz Institute for Functional Marine Biodiversity (HIFMB) at the Carl-von-Ossietzky University, Oldenburg 26111, Germany.
| | - Mathilde Falcou-Préfol
- Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Division Shelf Sea System Ecology, Biologische Anstalt Helgoland, Kurpromenade, 27498 Helgoland, Germany; Alfred Wegener Institute for Polar and Marine Research, Division Polar Biological Oceanography, Am Handelshafen 12, 27570 Bremerhaven, Germany; Nantes Université, 1 Quai de Tourville, 44035 Nantes Cedex 1, France
| | - Wyona Schütte
- Alfred Wegener Institute for Polar and Marine Research, Division Polar Biological Oceanography, Am Handelshafen 12, 27570 Bremerhaven, Germany; Carl-von-Ossietzky University Oldenburg, Institute for Chemistry and Biology of the Marine Environment, Ammerländer Heerstraße 114-118, 26129 Oldenburg, Germany
| | - Gunnar Gerdts
- Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Division Shelf Sea System Ecology, Biologische Anstalt Helgoland, Kurpromenade, 27498 Helgoland, Germany
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109
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Isa V, Seveso D, Diamante L, Montalbetti E, Montano S, Gobbato J, Lavorano S, Galli P, Louis YD. Physical and cellular impact of environmentally relevant microplastic exposure on thermally challenged Pocillopora damicornis (Cnidaria, Scleractinia). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170651. [PMID: 38320710 DOI: 10.1016/j.scitotenv.2024.170651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/18/2024] [Accepted: 02/01/2024] [Indexed: 02/13/2024]
Abstract
Microplastic pollution is an increasing threat to coral reefs, which are already strongly challenged by climate change-related heat stress. Although it is known that scleractinian corals can ingest microplastic, little is known about their egestion and how microplastic exposure may impair corals at physiological and cellular levels. In addition, the effects of microplastic pollution at current environmental concentration have been little investigated to date, particularly in corals already impacted by heat stress. In this study, the combined effects of these environmental threats on Pocillopora damicornis were investigated from a physical and cellular perspective. Colonies were exposed to three concentrations of polyethylene microplastic beads (no microplastic beads: [No MP], 1 mg/L: [Low MP]; 10 mg/L: [High MP]), and two different temperatures (25 °C and 30 °C) for 72 h. No visual signs of stress in corals, such as abnormal mucus production and polyp extroflection, were recorded. At [Low MP], beads adhered to colonies were ingested but were also egested. Moreover, thermally stressed colonies showed a lower adhesion and higher egestion of microplastic beads. Coral bleaching was observed with an increase in temperature and microplastic bead concentration, as indicated by a general decrease in chlorophyll concentration and Symbiodiniaceae density. An increase in lipid peroxidation was measured in colonies exposed to [Low MP] and [High MP] and an up-regulation of stress response gene hsp70 was observed due to the synergistic interaction of both stressors. Overall, our findings showed that heat stress still represents the main threat to P. damicornis, while the effect of microplastics on coral health and physiology may be minor, especially at control temperature. However, microplastics could exacerbate the effect of thermal stress on cellular homeostasis, even at [Low MP]. While reducing ocean warming is critical for preserving coral reefs, effective management of emerging threats like microplastic pollution is equally essential.
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Affiliation(s)
- Valerio Isa
- Department of Earth and Environmental Science, University of Milano Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll, Maldives; Costa Edutainment SpA - Acquario di Genova, Area Porto Antico, Ponte Spinola, 16128 Genoa, Italy
| | - Davide Seveso
- Department of Earth and Environmental Science, University of Milano Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll, Maldives
| | - Luca Diamante
- Department of Earth and Environmental Science, University of Milano Bicocca, Piazza della Scienza 1, 20126 Milano, Italy
| | - Enrico Montalbetti
- Department of Earth and Environmental Science, University of Milano Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll, Maldives.
| | - Simone Montano
- Department of Earth and Environmental Science, University of Milano Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll, Maldives
| | - Jacopo Gobbato
- Department of Earth and Environmental Science, University of Milano Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll, Maldives
| | - Silvia Lavorano
- Costa Edutainment SpA - Acquario di Genova, Area Porto Antico, Ponte Spinola, 16128 Genoa, Italy
| | - Paolo Galli
- Department of Earth and Environmental Science, University of Milano Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll, Maldives; University of Dubai, Dubai, P.O. Box 14143, United Arab Emirates
| | - Yohan Didier Louis
- Department of Earth and Environmental Science, University of Milano Bicocca, Piazza della Scienza 1, 20126 Milano, Italy; MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll, Maldives
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110
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Sorasan C, Taladriz-Blanco P, Rodriguez-Lorenzo L, Espiña B, Rosal R. New versus naturally aged greenhouse cover films: Degradation and micro-nanoplastics characterization under sunlight exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170662. [PMID: 38316311 DOI: 10.1016/j.scitotenv.2024.170662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/07/2024]
Abstract
The understanding of microplastic degradation and its effects remains limited due to the absence of accurate analytical techniques for detecting and quantifying micro- and nanoplastics. In this study, we investigated the release of nanoplastics and small microplastics in water from low-density polyethylene (LDPE) greenhouse cover films under simulated sunlight exposure for six months. Our analysis included both new and naturally aged (used) cover films, enabling us to evaluate the impact of natural aging. Additionally, photooxidation effects were assessed by comparing irradiated and non-irradiated conditions. Scanning electron microscopy (SEM) and nanoparticle tracking analysis (NTA) confirmed the presence of particles below 1 μm in both irradiated and non-irradiated cover films. NTA revealed a clear effect of natural aging, with used films releasing more particles than new films but no impact of photooxidation, as irradiated and non-irradiated cover films released similar amounts of particles at each time point. Raman spectroscopy demonstrated the lower crystallinity of the released PE nanoplastics compared to the new films. Flow cytometry and total organic carbon data provided evidence of the release of additional material besides PE, and a clear effect of both simulated and natural aging, with photodegradation effects observed only for the new cover films. Finally, our results underscore the importance of studying the aging processes in both new and used plastic products using complementary techniques to assess the environmental fate and safety risks posed by plastics used in agriculture.
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Affiliation(s)
- Carmen Sorasan
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcalá, Alcalá de Henares, E-28871 Madrid, Spain
| | - Patricia Taladriz-Blanco
- International Iberian Nanotechnology Laboratory (INL), Water Quality Group, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers, 4, 1700 Fribourg, Switzerland.
| | - Laura Rodriguez-Lorenzo
- International Iberian Nanotechnology Laboratory (INL), Water Quality Group, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal
| | - Begoña Espiña
- International Iberian Nanotechnology Laboratory (INL), Water Quality Group, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal
| | - Roberto Rosal
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcalá, Alcalá de Henares, E-28871 Madrid, Spain
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111
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Allemann MN, Tessman M, Reindel J, Scofield GB, Evans P, Pomeroy RS, Burkart MD, Mayfield SP, Simkovsky R. Rapid biodegradation of microplastics generated from bio-based thermoplastic polyurethane. Sci Rep 2024; 14:6036. [PMID: 38472254 DOI: 10.1038/s41598-024-56492-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 03/07/2024] [Indexed: 03/14/2024] Open
Abstract
The accumulation of microplastics in various ecosystems has now been well documented and recent evidence suggests detrimental effects on various biological processes due to this pollution. Accumulation of microplastics in the natural environment is ultimately due to the chemical nature of widely used petroleum-based plastic polymers, which typically are inaccessible to biological processing. One way to mitigate this crisis is adoption of plastics that biodegrade if released into natural environments. In this work, we generated microplastic particles from a bio-based, biodegradable thermoplastic polyurethane (TPU-FC1) and demonstrated their rapid biodegradation via direct visualization and respirometry. Furthermore, we isolated multiple bacterial strains capable of using TPU-FC1 as a sole carbon source and characterized their depolymerization products. To visualize biodegradation of TPU materials as real-world products, we generated TPU-coated cotton fabric and an injection molded phone case and documented biodegradation by direct visualization and scanning electron microscopy (SEM), both of which indicated clear structural degradation of these materials and significant biofilm formation.
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Affiliation(s)
- Marco N Allemann
- Algenesis Corporation, 11760 Sorrento Valley Rd. Suite J, San Diego, CA, 92121, USA
| | - Marissa Tessman
- Algenesis Corporation, 11760 Sorrento Valley Rd. Suite J, San Diego, CA, 92121, USA
| | - Jaysen Reindel
- Algenesis Corporation, 11760 Sorrento Valley Rd. Suite J, San Diego, CA, 92121, USA
| | - Gordon B Scofield
- Algenesis Corporation, 11760 Sorrento Valley Rd. Suite J, San Diego, CA, 92121, USA
| | - Payton Evans
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Robert S Pomeroy
- Algenesis Corporation, 11760 Sorrento Valley Rd. Suite J, San Diego, CA, 92121, USA
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Michael D Burkart
- Algenesis Corporation, 11760 Sorrento Valley Rd. Suite J, San Diego, CA, 92121, USA
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Stephen P Mayfield
- Algenesis Corporation, 11760 Sorrento Valley Rd. Suite J, San Diego, CA, 92121, USA
- Division of Biological Sciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Ryan Simkovsky
- Algenesis Corporation, 11760 Sorrento Valley Rd. Suite J, San Diego, CA, 92121, USA.
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112
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Antacli JC, Di Mauro R, Rimondino GN, Alurralde G, Schloss IR, González GA, Morales S, Ottero A, Vodopivez C. Microplastic pollution in waters of the Antarctic coastal environment of Potter Cove (25 de Mayo Island/King George Island, South Shetlands). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:170155. [PMID: 38228241 DOI: 10.1016/j.scitotenv.2024.170155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/21/2023] [Accepted: 01/12/2024] [Indexed: 01/18/2024]
Abstract
Plastic pollution in the Southern Ocean around Antarctica is a growing concern, but many areas in this vast region remain unexplored. This study provides the first comprehensive analysis of marine microplastic (MPs) concentrations in Potter Cove, located near the Argentinian Carlini research station on 25 de Mayo/King George Island, Antarctica. Water samples were collected at 14 sites within the cove, representing various influences from the station's activities. Two sampling methods were used: a 5 L Niskin bottle and an in-situ filtering device called Microfilter, allowing for large water volumes to be filtered. MPs were found in 100 % of the samples. Microfilter samples ranged from 0.02 to 2.14 MPs/L, with a mean concentration of 0.44 ± 0.44 MPs/L. Niskin bottle samples showed concentrations from 0.40 to 55.67 MPs/L, with a mean concentration of 19.03 ± 18.21 MPs/L. The dominant types of MPs were anthropogenic black, transparent, and pink microfibers (MFs) measuring between 0.11 and 3.6 mm (Microfilter) and 0.06 to 7.96 mm (Niskin bottle), with a median length of 0.01 mm for both methods. Transparent and black irregular microfragments (MFRs) with diameters from 0.10 to 5.08 mm and a median diameter of 0.49 mm were also prevalent. FTIR-spectroscopy revealed the presence of 14 types of polymers. Cellulose-based materials and polyethylene terephthalate were the most abundant in MFs, while polyurethanes and styrene-based copolymers dominated in MFRs. MPs were more abundant near the Carlini station. Compared to other coastal Antarctic areas, the MPs in the cove were relatively abundant and mostly smaller than 1 mm. Local activities on the island were identified as the primary source of MPs in the cove, and the cyclonic water circulation likely affects the distribution of small-sized particles. To protect the ecosystem, reducing plastic usage, improving waste management, regulating MPs debris, and enhancing wastewater practices are essential.
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Affiliation(s)
- J C Antacli
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Av. Vélez Sarsfield 299, 5000 Córdoba, Argentina; Instituto de Diversidad y Ecología Animal (IDEA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, Argentina.
| | - R Di Mauro
- Gabinete de Zooplancton, Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), Paseo Victoria Ocampo N° 1, B7602HSA Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - G N Rimondino
- Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC), CONICET, Departamento de Físico-Química, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - G Alurralde
- Department of Environmental Science, Stockholm University, 10691 Stockholm, Sweden; Baltic Marine Environment Protection Commission HELCOM, Helsinki FI-00160, Finland
| | - I R Schloss
- Instituto Antártico Argentino, 25 de Mayo 1143, San Martín, Buenos Aires, Argentina; Centro Austral de Investigaciones Científicas (CADIC, CONICET), Bernardo Houssay 200, Ushuaia, Tierra del Fuego, Argentina; Universidad Nacional de Tierra del Fuego, Ushuaia, Tierra del Fuego, Argentina
| | - G A González
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Av. Vélez Sarsfield 299, 5000 Córdoba, Argentina; Instituto de Diversidad y Ecología Animal (IDEA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Córdoba, Argentina
| | - S Morales
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Av. Vélez Sarsfield 299, 5000 Córdoba, Argentina
| | - A Ottero
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Ecología Marina, Av. Vélez Sarsfield 299, 5000 Córdoba, Argentina
| | - C Vodopivez
- Instituto Antártico Argentino, 25 de Mayo 1143, San Martín, Buenos Aires, Argentina
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113
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Ghanadi M, Padhye LP. Revealing the long-term impact of photodegradation and fragmentation on HDPE in the marine environment: Origins of microplastics and dissolved organics. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133509. [PMID: 38232551 DOI: 10.1016/j.jhazmat.2024.133509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 12/25/2023] [Accepted: 01/09/2024] [Indexed: 01/19/2024]
Abstract
The extensive usage of high-density polyethylene (HDPE) materials in marine environments raises concerns about their potential contribution to plastic pollution. Various factors contribute to the degradation of HDPE in marine environments, including UV radiation, seawater hydrolysis, biodegradation, and mechanical stress. Despite their supposed long lifespans, there is still a lack of understanding about the long-term degradation mechanisms that cause weathering of seawater-exposed HDPE products. In this research, the impact of UV radiation on the degradation of HDPE pile sleeves was studied in natural as well as laboratory settings to isolate the UV effect. After nine years of exposure to the marine environment in natural settings, the HDPE pile sleeves exhibited an increase in oxygen-containing surface functional groups and more morphological changes compared to accelerated UVB irradiation in the laboratory. This indicated that combined non-UV mechanisms may play a major role in HDPE degradation than UV irradiation alone. However, UVB irradiation was found to release dissolved organic carbon and total dissolved nitrogen from HDPE pile sleeves, reaching levels of up to 15 mg/L and 2 mg/L, respectively. Our findings underscore the significance of taking into account both UV and non-UV degradation mechanisms when evaluating the role of HDPE in contributing to marine plastic pollution.
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Affiliation(s)
- Mahyar Ghanadi
- Department of Civil and Environmental Engineering, The University of Auckland, Auckland 1010, New Zealand
| | - Lokesh P Padhye
- Department of Civil and Environmental Engineering, The University of Auckland, Auckland 1010, New Zealand.
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114
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Lian Y, Shi R, Liu J, Zeb A, Wang Q, Wang J, Yu M, Li J, Zheng Z, Ali N, Bao Y, Liu W. Effects of polystyrene, polyethylene, and polypropylene microplastics on the soil-rhizosphere-plant system: Phytotoxicity, enzyme activity, and microbial community. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133417. [PMID: 38183945 DOI: 10.1016/j.jhazmat.2023.133417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/04/2023] [Accepted: 12/29/2023] [Indexed: 01/08/2024]
Abstract
The widespread presence of soil microplastics (MPs) has become a global environmental problem. MPs of different properties (i.e., types, sizes, and concentrations) are present in the environment, while studies about the impact of MPs having different properties are limited. Thus, this study investigated the effects of three common polymers (polystyrene, polyethylene, and polypropylene) with two concentrations (0.01% and 0.1% w/w) on growth and stress response of lettuce (Lactuca sativa L.), soil enzymes, and rhizosphere microbial community. Lettuce growth was inhibited under MPs treatments. Moreover, the antioxidant system, metabolism composition, and phyllosphere microbiome of lettuce leaves was also perturbed. MPs reduced phytase activity and significantly increased dehydrogenase activity. The diversity and structure of rhizosphere microbial community were disturbed by MPs and more sensitive to polystyrene microplastics (PSMPs) and polypropylene microplastics (PPMPs). In general, the results by partial least squares pathway models (PLS-PMs) showed that the presence of MPs influenced the soil-rhizosphere-plant system, which may have essential implications for assessing the environmental risk of MPs.
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Affiliation(s)
- Yuhang Lian
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Ruiying Shi
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jinzheng Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Aurang Zeb
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Qi Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jianling Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Miao Yu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jiantao Li
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Zeqi Zheng
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Nouman Ali
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Yanyu Bao
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Weitao Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China.
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115
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Li Z, Song Z, Qiu L, Cao Y, Gu H, Wang Z, Liu X, Qian X. Quantitative distribution and quantized ecological threat of microplastics in farmland: Shanghai as an example. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133069. [PMID: 38056264 DOI: 10.1016/j.jhazmat.2023.133069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/08/2023] [Accepted: 11/21/2023] [Indexed: 12/08/2023]
Abstract
The occurrence of microplastics (MPs) in farmlands poses a threat to soil health and crop yield. There needs to be more research on the role of cropping patterns in the accumulation of MPs and quantizing the threat of MPs on soil health and crop yield. In this study, a field study was carried out to explore the role of cropping patterns in the accumulation of MPs in agricultural soil in Shanghai, China. Furthermore, the specific effect and importance of MPs and each soil physicochemical indicator to soil health and crop yield were clarified, and the threat of MPs in reducing soil health and crop yield was quantized. Relative lower MPs abundance was detected in Shanghai. MPs abundance in vegetable fields was significantly higher than that in orchards. The broad source of MPs, the acceleration of plastics breaking under artificial disturbance and warmer temperatures, and the block of MPs exchange could account for the quicker accumulation of MPs in vegetable fields. MPs have a negligible effect on microbial diversity and metabolic activity which plays a role in soil enzyme activity. Besides, MPs served as one of the critical factors for rice yield reduction.
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Affiliation(s)
- Zhengwen Li
- Shanghai Academy of Environmental Sciences, Shanghai, 200233, China
| | - Zhaofeng Song
- Shanghai Academy of Environmental Sciences, Shanghai, 200233, China
| | - Linlin Qiu
- School of Resources·&·Environmental-Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yan Cao
- Shanghai Academy of Environmental Sciences, Shanghai, 200233, China
| | - Hairong Gu
- Shanghai Academy of Environmental Sciences, Shanghai, 200233, China
| | - Zhenqi Wang
- Shanghai Academy of Environmental Sciences, Shanghai, 200233, China
| | - Xiang Liu
- Department of Environmental Science and Engineering, Fudan University, Shanghai 200438, China
| | - Xiaoyong Qian
- Shanghai Academy of Environmental Sciences, Shanghai, 200233, China.
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116
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Luo D, Wang Z, Liao Z, Chen G, Ji X, Sang Y, Qu L, Chen Z, Wang Z, Dahlgren RA, Zhang M, Shang X. Airborne microplastics in urban, rural and wildland environments on the Tibetan Plateau. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133177. [PMID: 38064947 DOI: 10.1016/j.jhazmat.2023.133177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 12/01/2023] [Accepted: 12/02/2023] [Indexed: 02/08/2024]
Abstract
The concentration of airborne microplastics is largely unknown in the remote high mountain area of the Tibetan Plateau. Here we report airborne microplastic concentrations of 2.5-58.8 n/m3 in urban, rural and wildland areas across the Tibetan Plateau, with smaller (∼89% <100 µm) fragments (>80%) dominating. Polyethylene terephthalate, polyethylene, polyamide and polystyrene were the dominant polymers of airborne microplastics on the Tibetan Plateau. Distribution of airborne microplastics was positively correlated with anthropogenic activity indices, such as population density and nighttime light intensity. Although the contribution of long-range atmospheric transport is valid, dispersed villages also appear to be a source of airborne microplastics for wildland areas across the Tibetan Plateau.
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Affiliation(s)
- Dehua Luo
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China
| | - Zhenfeng Wang
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China
| | - Zhonglu Liao
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China
| | - Gang Chen
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China
| | - Xiaoliang Ji
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China
| | - Yanfang Sang
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Liyin Qu
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Zhejiang Provincial Key Lab for Subtropical Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou 325035, China
| | - Zheng Chen
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China.
| | - Zhonggen Wang
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Randy A Dahlgren
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China; Department of Land, Air and Water Resources, University of California Davis, CA 95616, USA
| | - Minghua Zhang
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China; Department of Land, Air and Water Resources, University of California Davis, CA 95616, USA
| | - Xu Shang
- Key Laboratory of Watershed Sciences and Health of Zhejiang Province, School of Public Health and Management, Wenzhou Medical University, Wenzhou 325035, China.
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117
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Bihannic I, Gley R, Gallo L, Badura A, Razafitianamaharavo A, Beuret M, Billet D, Bojic C, Caillet C, Morlot P, Zaffino M, Jouni F, George B, Boulet P, Noûs C, Danger M, Felten V, Pagnout C, Duval JFL. Photodegradation of disposable polypropylene face masks: Physicochemical properties of debris and implications for the toxicity of mask-carried river biofilms. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133067. [PMID: 38039813 DOI: 10.1016/j.jhazmat.2023.133067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 11/18/2023] [Accepted: 11/21/2023] [Indexed: 12/03/2023]
Abstract
COVID-19 outbreak led to a massive dissemination of protective polypropylene (PP) face masks in the environment, posing a new environmental risk amplified by mask photodegradation and fragmentation. Masks are made up of a several kilometres long-network of fibres with diameter from a few microns to around 20 µm. After photodegradation, these fibres disintegrate, producing water dispersible debris. Electrokinetics and particle stability observations support that photodegradation increases/decreases the charge/hydrophobicity of released colloidal fragments. This change in hydrophobicity is related to the production of UV-induced carbonyl and hydroxyl reactive groups detectable after a few days of exposure. Helical content, surface roughness and specific surface area of mask fibres are not significantly impacted by photodegradation. Fragmentation of fibres makes apparent, at the newly formed surfaces, otherwise-buried additives like TiO2 nanoparticles and various organic components. Mortality of gammarids is found to increase significantly over time when fed with 3 days-UV aged masks that carry biofilms grown in river, which is due to a decreased abundance of microphytes therein. In contrast, bacteria abundance and microbial community composition remain unchanged regardless of mask degradation. Overall, this work reports physicochemical properties of pristine and photodegraded masks, and ecosystemic functions and ecotoxicity of freshwater biofilms they can carry.
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Affiliation(s)
| | - Renaud Gley
- Université de Lorraine, CNRS, LIEC, F-54000 Nancy, France
| | - Lucas Gallo
- Université de Lorraine, CNRS, LIEC, F-54000 Nancy, France
| | | | | | | | - David Billet
- Université de Lorraine, CNRS, LIEC, F-54000 Nancy, France
| | - Clément Bojic
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
| | - Céline Caillet
- Université de Lorraine, CNRS, LIEC, F-54000 Nancy, France
| | | | - Marie Zaffino
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
| | - Fatina Jouni
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
| | - Béatrice George
- Université de Lorraine, INRAE, LERMAB, F-54000 Nancy, France
| | - Pascal Boulet
- Université de Lorraine, CNRS, IJL, F-54000 Nancy, France
| | | | - Michael Danger
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
| | - Vincent Felten
- Université de Lorraine, CNRS, LIEC, F-57000 Metz, France
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118
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Verma A, Sharma G, Kumar A, Dhiman P, Mola GT, Shan A, Si C. Microplastic pollutants in water: A comprehensive review on their remediation by adsorption using various adsorbents. CHEMOSPHERE 2024; 352:141365. [PMID: 38331267 DOI: 10.1016/j.chemosphere.2024.141365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
Microplastics (MPs), as emerging pollutants, have attracted the attention of environmentalists, statespersons, and the scientific community over the last few decades. To address the spread of MPs in the environment, it is imperative to develop various removal techniques and materials that are effective, scalable, and ecologically benign. However, to the best of our knowledge, no review has systematically examined the removal of MPs using adsorption or provided an in-depth discussion on various adsorbents. Adsorption is an inexpensive and effective technology for wastewater treatment. Recently, many researchers have conducted studies on MP remediation using diverse adsorbent materials, such as biochar, activated carbon, sponges, carbon nanotubes, metal-layered oxides, metal-organic frameworks (MOFs), and zeolites. Each adsorbent has advantages and disadvantages. To overcome their disadvantages, researchers have been designing and developing hybrid adsorbents for MP remediation. This review provides insights into these individual adsorbents and also discusses hybrid adsorbents for MP removal. Finally, the review elaborates on future possibilities and ways to enable more efficient, scalable, and environmentally friendly MP cleanup. Overall, this review bridges the gap between contemporary MP remediation using adsorption techniques and adsorbent development.
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Affiliation(s)
- Akshay Verma
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University of Biotechnology and Management Sciences, India
| | - Gaurav Sharma
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University of Biotechnology and Management Sciences, India.
| | - Amit Kumar
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University of Biotechnology and Management Sciences, India
| | - Pooja Dhiman
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University of Biotechnology and Management Sciences, India
| | - Genene Tessema Mola
- School of Chemistry & Physics, University of KwaZulu-Natal, Pietermaritzburg, Scottsville, 3209, South Africa
| | - Ali Shan
- College of Materials Science and Engineering, Shenzhen University, 518055, Shenzhen, China
| | - Chuanling Si
- Tianjin Key Laboratory of Pulp and Paper Tianjin University of Science and Technology, Tianjin, 300457, China
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Yu J, Wang S, Zhang HQ, Song XR, Liu LF, Jiang Y, Chen R, Zhang Q, Chen YQ, Zhou HJ, Yang GP. Effects of nanoplastics exposure on ingestion, life history traits, and dimethyl sulfide production in rotifer Brachionus plicatilis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 344:123308. [PMID: 38185352 DOI: 10.1016/j.envpol.2024.123308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/15/2023] [Accepted: 01/04/2024] [Indexed: 01/09/2024]
Abstract
Microplastics (MPs) and nanoplastics (NPs) have gained global concern due to their detrimental effects on marine organisms. We investigated the effects of 80 nm polystyrene (PS) NPs on life history traits, ingestion, and dimethyl sulfide (DMS) and dimethylsulfoniopropionate (DMSP) production in the rotifer Brachionus plicatilis. Fluorescently labeled 80 nm PS NPs were ingested by the rotifer B. plicatilis and accumulated in the digestive tract. The lethal rates of B. plicatilis exposed to NPs were dose-dependent. High concentrations of PS NPs exposure had negative effects on developmental duration, leading to prolonged embryonic development and pre-reproductive periods, shortened reproductive period, post-reproductive period, and lifespan in B. plicatilis. High concentrations of PS NPs exposure inhibited life table demographic parameters such as age-specific survivorship and fecundity, generation time, net reproductive rate, and life expectancy. Consequently, the population of B. plicatilis was adversely impacted. Furthermore, exposure to PS NPs resulted in a reduced ingestion rate in B. plicatilis, as well as a decreased in DMS, particulate DMSP (DMSPp) concentration, and DMSP lyase activity (DLA), which exhibited a dose-response relationship. B. plicatilis grazing promoted DLA and therefore increased DMS production. PS NPs exposure caused a decline in the increased DMS induced by rotifer grazing. Our results help to understand the ecotoxicity of NPs on rotifer and their impact on the biogeochemical cycle of dimethylated sulfur compounds.
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Affiliation(s)
- Juan Yu
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China.
| | - Su Wang
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Hao-Quan Zhang
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Xin-Ran Song
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Long-Fei Liu
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Yu Jiang
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Rong Chen
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China
| | - Qi Zhang
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Yong-Qiao Chen
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Hou-Jin Zhou
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Gui-Peng Yang
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China.
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Vibhatabandhu P, Prachayakul T, Tang-Siri J, Benmas P, Srithongouthai S, Kanokkantapong V. Effect of tidal current on the settling and accumulation of microplastics in the Chao Phraya River estuary, Thailand. MARINE POLLUTION BULLETIN 2024; 200:116068. [PMID: 38290367 DOI: 10.1016/j.marpolbul.2024.116068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/19/2024] [Accepted: 01/19/2024] [Indexed: 02/01/2024]
Abstract
The deposition of MPs in a water column and surface sediment during a mixed spring tidal cycle of the Chao Phraya River estuary was investigated. The settling MPs during flood and ebb tides were collected by deploying traps at 3 m below the surface, while the settled MPs throughout the tidal cycle were collected by deploying traps at 1 m above the bottom. The settling rate of MPs was 2168 pieces/m2/h during highest to low tide, and 639 pieces/m2/h during high to lowest tide. The deposition rate of MPs after the end of the tidal cycle was 3172 pieces/m2/day, while the accumulation rate of MPs in the surface sediment was 1515 pieces/m2/day. The settling MPs tended to decrease inversely to the suspended solids and salinity. The major types of the deposited MPs were polyethylene (36 %) and polyamide (33 %), while that of the surface sediment was epoxy resin (80 %).
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Affiliation(s)
- Pathompong Vibhatabandhu
- Department of Environmental Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Teerapat Prachayakul
- Department of Environmental Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Jiradet Tang-Siri
- Department of Environmental Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; Graduate Program in Industrial Toxicology and Risk Assessment, Department of Environmental Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Patsharaporn Benmas
- Department of Environmental Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Sarawut Srithongouthai
- Department of Environmental Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; Research Unit (RU) of Waste Utilization and Ecological Risk Assessment, Chulalongkorn University, Bangkok 10330, Thailand
| | - Vorapot Kanokkantapong
- Department of Environmental Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; Research Unit (RU) of Waste Utilization and Ecological Risk Assessment, Chulalongkorn University, Bangkok 10330, Thailand.
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121
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Zhou S, Wang L, Liu J, Zhang C, Liu X. Microplastics' toxic effects and influencing factors on microorganisms in biological wastewater treatment units. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2024; 89:1539-1553. [PMID: 38557717 DOI: 10.2166/wst.2024.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/03/2024] [Indexed: 04/04/2024]
Abstract
Prior to entering the water body, microplastics (MPs) are mostly collected at the sewage treatment plant and the biological treatment unit is the sewage treatment facility's central processing unit. This review aims to present a comprehensive analysis of the detrimental impacts of MPs on the biological treatment unit of a sewage treatment plant and it covers how MPs harm the effluent quality of biological treatment processes. The structure of microbial communities is altered by MPs presence and additive release, which reduces functional microbial activity. Extracellular polymers, oxidative stress, and enzyme activity are explored as micro views on the harmful mechanism of MPs on microorganisms, examining the toxicity of additives released by MPs and the harm caused to microorganisms by harmful compounds that have been adsorbed in the aqueous environment. This article offers a theoretical framework for a thorough understanding of the potential problems posed by MPs in sewage treatment plants and suggests countermeasures to mitigate those risks to the aquatic environment.
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Affiliation(s)
- Sijie Zhou
- College of Marine and Environmental Sciences, Tianjin University of Science & Technology, Tianjin 300457, China; Sijie Zhou and Lili Wang contributed equally to this work
| | - Lili Wang
- Waterway Transportation Environmental Protection Technology Laboratory, Tianjin Institute of Water Transportation Engineering Science and Research, Ministry of Transportation, Tianjin 300456, China; Sijie Zhou and Lili Wang contributed equally to this work
| | - Jin Liu
- College of Marine and Environmental Sciences, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Chuanguo Zhang
- Waterway Transportation Environmental Protection Technology Laboratory, Tianjin Institute of Water Transportation Engineering Science and Research, Ministry of Transportation, Tianjin 300456, China
| | - Xianbin Liu
- College of Marine and Environmental Sciences, Tianjin University of Science & Technology, Tianjin 300457, China E-mail:
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122
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Pinlova B, Nowack B. From cracks to secondary microplastics - surface characterization of polyethylene terephthalate (PET) during weathering. CHEMOSPHERE 2024; 352:141305. [PMID: 38331266 DOI: 10.1016/j.chemosphere.2024.141305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/10/2024]
Abstract
Secondary microplastics are a product of the fragmentation of plastic debris. Despite concerns regarding the omnipresence of microplastics in the environment, knowledge about the mechanics of their actual formation is still limited. Fragmentation is usually linked to weathering, which alters the properties of the plastic and allows fragmentation to occur. Therefore, in this study, polyethylene terephthalate (PET) samples were exposed to artificial UV light or a combination of UV light and water for a total of three months to simulate natural weathering. The samples included three forms of PET with different production histories: pellets, yarns, and films. The surface alterations to the samples during weathering were characterized using scanning electron microscopy and Raman spectroscopy. Results indicated that the three different types of PET developed markedly different surface defects and also exhibited signs of weathering within different time frames. Differences were also found between samples exposed only to UV and those exposed to UV and submerged in water. In water, the first surface changes were spotted within 30 days of initial submersion and later developed into an organized crack network. Upon the introduction of mild mechanical forces, pieces of the weathered surface started to delaminate. The fragments from films had an elongated shape with a median size of 16.1 × 2.1 × 1.8 μm, resembling a fibre. If the weathered surface of a film were to detach completely, it could create 1.4-7.9 million microplastic fragments/cm2. For pellets, this number would range between 0.4 and 2.2 million microplastics/cm2. In addition to particle formation by surface delamination, particles also emerged on the weathered surfaces of all studied samples, presenting another possible source of micro-sized particles during weathering. Overall, the results of this work show that the weathering of plastics and the formation of microplastics are heavily influenced not only by the weathering mechanism but also by the type and production history of the polymers.
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Affiliation(s)
- Barbora Pinlova
- Technology and Society Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Bernd Nowack
- Technology and Society Laboratory, Empa - Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland.
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123
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Sun Q, Liu L, Gong Y, Liu P. Adsorption behavior and interaction mechanism of microplastics with typical hydrophilic pharmaceuticals and personal care products. ENVIRONMENTAL RESEARCH 2024; 244:117897. [PMID: 38103782 DOI: 10.1016/j.envres.2023.117897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/12/2023] [Accepted: 12/06/2023] [Indexed: 12/19/2023]
Abstract
Microplastics (MPs) and pharmaceuticals and personal care products (PPCPs) are two types of emerging contaminants widely present in the global aquatic ecosystem. The ecological risks associated with the coexistence of these two contaminants have garnered increasing attention from researchers. In this study, we selected 15 typical hydrophilic PPCPs, including Sulfacetamide (SA), Thiamphenicol, Florfenicol, Chloramphenicol (CHL), Ampicillin, Cephalexin, Ofloxacin, Fluorouracil, Phenytoin, Theophylline, Cimetidine, Methylparaben, Diethyltoluamide, Benzophenone-2 (BP-2), and Benzophenone-4, as adsorbates. We evaluated the adsorption potential of five traditional plastics (TPs), namely Polyamide 6 (PA6), Polystyrene (PS), Polyethylene terephthalate (PET), Polyvinyl chloride (PVC), and Polyurethane (TPU), as well as three biodegradable plastics (BDPs), including Polylactic acid (PLA), Polybutylene succinate (PBS), and Poly (ε-caprolactone) (PCL), for these adsorbates. Out of the 120 combinations of MPs and PPCPs tested, only 24 exhibited significant adsorption behavior. Notably, the adsorption performance of the three BDPs was stronger than that of the three typical TPs (PS, PET, and PVC). Based on their adsorption potential, PA6, BDPs, phenytoin, and BP-2 were identified as potential sources of high ecological risk. To further explore the adsorption mechanism, we investigated the adsorption behaviors of SA, BP-2, and CHL on PA6. The conclusions were as follows: SA, BP-2, and CHL all reached adsorption equilibrium within 24 h, with the partition coefficient (Kd) following this order: BP-2 (8.051) ≫ SA (0.052) > CHL (0.018). The primary forces of adsorption were electrostatic interactions, intermolecular hydrogen bonding, and hydrophobic interaction, respectively. Additionally, weak electrostatic effects were observed in the adsorption of CHL and BP-2. The effects of pH, ionic strength, and fulvic acid on adsorption capacity varied. These results highlight a complex adsorption mechanism between MPs and hydrophilic contaminants in the aquatic environment. This study provides a basis for further evaluating the ecological risks of MPs and PPCPs combined pollution.
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Affiliation(s)
- Qizhi Sun
- School of Eco-Environment, Hebei University, Baoding, 071002, China
| | - Lu Liu
- School of Eco-Environment, Hebei University, Baoding, 071002, China; Environmental Protection Monitoring Center, SINOPEC Zhongyuan Oilfield Branch, Puyang, 457001, China
| | - Yichao Gong
- College of Biological Science and Engineering, Xingtai University, Xingtai, 054001, China
| | - Pengyan Liu
- School of Eco-Environment, Hebei University, Baoding, 071002, China.
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Wilhelm K, Woor S, Jackson M, Albini D, Young N, Karamched P, Policarpo Wright MC, Grau-Bove J, Orr SA, Longman J, de Kock T. Microplastic pollution on historic facades: Hidden 'sink' or urban threat? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123128. [PMID: 38097158 DOI: 10.1016/j.envpol.2023.123128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023]
Abstract
Despite the increasing concerns surrounding the health and environmental risks of microplastics (MPs), the research focus has primarily been on their prevalence in air and the oceans, consequently neglecting their presence on urban facades, which are integral to our everyday environments. Therefore, there is a crucial knowledge gap in comprehending urban MP pollution. Our pioneering interdisciplinary study not only quantifies but also identifies MPs on historic facades, revealing their pervasive presence in a medium-sized urban area in the UK. In this case study, we estimated a mean density of 975,000 fibres/m^2 (0.10 fibres/mm^2) for fibre lengths between 30 and 1000 μm with a ratio of 1:5 for natural to artificial fibres. Our research identifies three groups of fibre length frequencies across varied exposure scenarios on the investigated urban facade. Sheltered areas (4m height) show a high prevalence of 60-120 μm and 180-240 μm fibres. In contrast, less sheltered areas at 3m exhibit lower fibre frequencies but similar lengths. Notably, the lowest area (2-1.5m) features longer fibres (300-1000 μm), while adjacent area S, near a faulty gutter, shows no fibres, highlighting the impact of exposure, altitude, and environmental variables on fibre distribution on urban facades. Our findings pave one of many necessary paths forward to determine the long-term fate of these fibres and provoke a pertinent question: do historic facades serve as an urban 'sink' that mitigates potentially adverse health impacts or amplifies the effects of mobile microplastics? Addressing MP pollution in urban areas is crucial for public health and sustainable cities. More research is required to understand the multi-scale factors behind MP pollution in large cities and to find mitigation strategies, paving the way for effective interventions and policies against this growing threat.
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Affiliation(s)
- Katrin Wilhelm
- Oxford Resilient Buildings and Landscapes Laboratory (OxRBL), School of Geography and the Environment, University of Oxford, South Parks Road, Oxford, OX1 3QY, UK.
| | - Sam Woor
- Department of Geoscience, University of the Fraser Valley, 33844 Kings Road, Abbotsford, British Columbia, V2S 7M8, Canada; Department of Earth, Ocean and Atmospheric Sciences, Faculty of Sciences, University of British Columbia, 2020-2207 Main Mall, Vancouver, V6T 1Z4, Canada.
| | - Michelle Jackson
- Department of Biology, University of Oxford, 11a Mansfield Road, OX1 3SZ, England, UK.
| | - Dania Albini
- Department of Biology, University of Oxford, 11a Mansfield Road, OX1 3SZ, England, UK.
| | - Neil Young
- David Cockayne Centre for Electron Microscopy, Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK.
| | - Phani Karamched
- David Cockayne Centre for Electron Microscopy, Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK.
| | | | - Josep Grau-Bove
- UCL Institute for Sustainable Heritage, Central House, 14 Upper Woburn Pl, WC1H 0NN, London, UK.
| | - Scott Allan Orr
- UCL Institute for Sustainable Heritage, Central House, 14 Upper Woburn Pl, WC1H 0NN, London, UK.
| | - Jack Longman
- Department of Geography and Environmental Sciences, Northumbria University, Newcastle-upon-Tyne, NE1 8ST, UK.
| | - Tim de Kock
- Antwerp Cultural Heritage Sciences (ARCHES), Faculty of Design, University of Antwerp, Mutsaardstraat 31, 2000, Antwerp, Belgium.
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125
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Maharjan KK. Microplastics research in Nepal: Present scenario and current gaps in knowledge. Heliyon 2024; 10:e24956. [PMID: 38318064 PMCID: PMC10838786 DOI: 10.1016/j.heliyon.2024.e24956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 01/06/2024] [Accepted: 01/17/2024] [Indexed: 02/07/2024] Open
Abstract
The topic of microplastics has drawn considerable scholarly interest in recent times. The objective of this study is to provide an overview of the current state of microplastic pollution research in Nepal and to make future research recommendations. To achieve the objective, three popular databases (Web of Science, SCOPUS and Google Scholar) were used. The results showed that the current scenario for microplastic research in Nepal is in its early stage, which commenced in 2020. A total of six papers were recorded over the period from 2020 to 2023. The research conducted in the fields were rivers, lakes, snow, and sediments. Studies have provided evidence of the occurrence of microplastics in diverse aquatic ecosystems. Lakeshore sediments show concentrations of 100.5 ± 58.6 items/kg dry weight, while shoreline sediments of Phewa lake exhibit variability between 55 and 122.5 items/kg. The lake water in winter records 2.96 ± 1.83 Microplastics per Liter (MPs/L), river water indicates 202 ± 100 items/m3, and snow demonstrates 30 MP/L. In freshwater ecosystems, microplastics, specifically fibers, were found to be the prevailing type, while fragments were recorded in road dust. The study conducted in Nepal provided evidence of the presence of a wide range of polymers. The polymers encompassed polypropylene (PP), polyethylene (PE), polyethylene terephthalate (PET), polyamide, polystyrene (PS), and polyester. Microplastic research in Nepal, initiated in 2020, covered rivers, lakes, snow, and sediments. Diverse aquatic ecosystems reveal microplastic presence, emphasizing the need for continued study and awareness. Although extensive research has been carried out on the subject of microplastic contamination and its effects on various creatures on a global scale, an examination of the implications of microplastics on animals, plants, and humans in Nepal has not been found in any scholarly publications. There exists a noticeable deficit of research investigating the consumption of microplastics by human.
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Affiliation(s)
- Kishor Kumar Maharjan
- Department of Environmental Science, Tri-Chandra Multiple Campus, Tribhuvan University, Nepal
- Faculty of Environmental Management, Prince of Songkla University, Thailand
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Malloggi C, Nalbone L, Bartalena S, Guidi M, Corradini C, Foti A, Gucciardi PG, Giarratana F, Susini F, Armani A. The Occurrence of Microplastics in Donax trunculus (Mollusca: Bivalvia) Collected along the Tuscany Coast (Mediterranean Sea). Animals (Basel) 2024; 14:618. [PMID: 38396586 PMCID: PMC10886031 DOI: 10.3390/ani14040618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/24/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
Microplastics (MPs) (0.1 µm-5 mm particles) have been documented in oceans and seas. Bivalve molluscs (BMs) can accumulate MPs and transfer to humans through the food chain. BMs (especially mussels) are used to assess MPs' contamination, but the genus Donax has not been thoroughly investigated. The aim of this study was to detect and characterize MPs in D. trunculus specimens collected along the Tuscan coast (Italy), and to assess the potential risk for consumers. The samples (~10 g of tissue and intervalval liquid from 35 specimens) were digested using a solution of 10% KOH, subjected to NaCl density separation, and filtered through 5 μm pore-size filters. All items were morphologically classified and measured, and their mean abundance (MA) was calculated. Furthermore, 20% of them were analyzed by Raman spectroscopy and, based on the obtained results, the MA was recalculated (corrected MA) and the annual human exposure was estimated. In the 39 samples analyzed, 85 items fibers (n = 45; 52.94%) and fragments (n = 40; 47.06%) were found. The MA was 0.23 ± 0.17 items/grww. Additionally, 83.33% of the items were confirmed as MPs (polyethylene and polyethylene terephthalate). Based on the correct MA (0.18 MPs/grww), D. trunculus consumers could be exposed to 19.2 MPs/per capita/year. The health risk level of MPs was classified as level III (moderate).
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Affiliation(s)
- Chiara Malloggi
- FishLab, Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy; (C.M.); (M.G.)
| | - Luca Nalbone
- Department of Veterinary Sciences, University of Messina, Polo Universitario Dell’Annunziata, 98168 Messina, Italy; (L.N.); (F.G.)
| | - Silvia Bartalena
- Experimental Zooprophylactic Institute of Latium and Tuscany M. Aleandri, UOT Toscana Nord, SS Dell’ Abetone e del Brennero 4, 56123 Pisa, Italy; (S.B.); (F.S.)
| | - Margherita Guidi
- FishLab, Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy; (C.M.); (M.G.)
| | - Carlo Corradini
- Experimental Zooprophylactic Institute of Latium and Tuscany M. Aleandri, Via Appia Nuova, 1411, 00178 Roma, Italy;
| | - Antonino Foti
- Consiglio Nazionale delle Ricerche (CNR), Istituto per i Processi Chimico-Fisici (IPCF), Viale F. Stagno D’Alcontres 27, 98158 Messina, Italy; (A.F.); (P.G.G.)
| | - Pietro G. Gucciardi
- Consiglio Nazionale delle Ricerche (CNR), Istituto per i Processi Chimico-Fisici (IPCF), Viale F. Stagno D’Alcontres 27, 98158 Messina, Italy; (A.F.); (P.G.G.)
| | - Filippo Giarratana
- Department of Veterinary Sciences, University of Messina, Polo Universitario Dell’Annunziata, 98168 Messina, Italy; (L.N.); (F.G.)
| | - Francesca Susini
- Experimental Zooprophylactic Institute of Latium and Tuscany M. Aleandri, UOT Toscana Nord, SS Dell’ Abetone e del Brennero 4, 56123 Pisa, Italy; (S.B.); (F.S.)
| | - Andrea Armani
- FishLab, Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy; (C.M.); (M.G.)
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127
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Niu S, Liu R, Zhao Q, Gagan S, Dodero A, Ying Q, Ma X, Cheng Z, China S, Canagaratna M, Zhang Y. Quantifying the Chemical Composition and Real-Time Mass Loading of Nanoplastic Particles in the Atmosphere Using Aerosol Mass Spectrometry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024. [PMID: 38332486 PMCID: PMC10882961 DOI: 10.1021/acs.est.3c10286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Plastic debris, including nanoplastic particles (NPPs), has emerged as an important global environmental issue due to its detrimental effects on human health, ecosystems, and climate. Atmospheric processes play an important role in the transportation and fate of plastic particles in the environment. In this study, a high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) was employed to establish the first online approach for identification and quantification of airborne submicrometer polystyrene (PS) NPPs from laboratory-generated and ambient aerosols. The fragmentation ion C8H8+ is identified as the major tracer ion for PS nanoplastic particles, achieving an 1-h detection limit of 4.96 ng/m3. Ambient PS NPPs measured at an urban location in Texas are quantified to be 30 ± 20 ng/m3 by applying the AMS data with a constrained positive matrix factorization (PMF) method using the multilinear engine (ME-2). Careful analysis of ambient data reveals that atmospheric PS NPPs were enhanced as air mass passed through a waste incinerator plant, suggesting that incineration of waste may serve as a source of ambient NPPs. The online quantification of NPPs achieved through this study can significantly improve our understanding of the source, transport, fate, and climate effects of atmospheric NPPs to mitigate this emerging global environmental issue.
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Affiliation(s)
- Sining Niu
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843, United States
| | - Ruizhe Liu
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843, United States
| | - Qian Zhao
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Sahir Gagan
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843, United States
| | - Alana Dodero
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843, United States
| | - Qi Ying
- Department of Civil and Environmental Engineering, Texas A&M University, College Station, Texas 77843, United States
| | - Xingmao Ma
- Department of Civil and Environmental Engineering, Texas A&M University, College Station, Texas 77843, United States
| | - Zezhen Cheng
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Swarup China
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | | | - Yue Zhang
- Department of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843, United States
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128
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Subair A, Krishnamoorthy Lakshmi P, Chellappan S, Chinghakham C. Removal of polystyrene microplastics using biochar-based continuous flow fixed-bed column. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:13753-13765. [PMID: 38265588 DOI: 10.1007/s11356-024-32088-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 01/16/2024] [Indexed: 01/25/2024]
Abstract
In the realm of environmental challenges, microplastics have emerged as a pressing threat, presenting risks to both individuals and ecosystems. Conventional treatment plants are presently not equipped for effectively removing these minute contaminants. This study presents an investigation into the potential of a continuous flow biochar column, utilizing biochar derived from banana peel through a nitrogen-free slow pyrolysis process for the removal of microplastics. A systematic exploration of various parameters, including bed height, flow rate, inflow microplastic concentration, and microplastic size is undertaken to discern their impact on polystyrene removal efficiency. A peak removal efficiency of 92.16% has been achieved under specific conditions: a 6-cm bed height, a 3-mL/min flow rate, an inlet concentration of 0.05 g/L, and microplastic sizes ranging from 150 to 300 µm. The removal efficiency was inversely affected by flow rate while directly influenced by bed height. To deepen the understanding of polystyrene removal on biochar, a detailed characterization of the synthesized material was carried out. The removal of microplastics by banana peel biochar (BPB) is observed to be dominated by adsorption and filtration processes. The entanglement of microplastics with minuscule biochar granules, capture between particles, and entrapment in the porous system were identified as the mechanisms of removal. Leveraging the hydrophobic nature of polystyrene microplastics, interactions with the hydrophobic functional groups in BPB result in effective adsorption. This is further complemented by self-agglomeration and filtration mechanisms that synergistically contribute to the elimination of larger agglomerates. The findings thus provide a comprehensive understanding, offering hope for a more effective strategy in mitigating the environmental impact of microplastics.
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Affiliation(s)
- Akhila Subair
- Environmental Engineering and Management, UKF College of Engineering and Technology, Kollam, Kerala, India
| | | | - Suchith Chellappan
- Environmental Engineering and Management, UKF College of Engineering and Technology, Kollam, Kerala, India
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129
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Do VM, Trinh VT, Le XTT, Nguyen DT. Evaluation of microplastic bioaccumulation capacity of mussel (Perna viridis) and surrounding environment in the North coast of Vietnam. MARINE POLLUTION BULLETIN 2024; 199:115987. [PMID: 38160603 DOI: 10.1016/j.marpolbul.2023.115987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/23/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
This study aimed to identify the presence of microplastics in green mussels (Perna viridis), surface seawater, and beach sediment on the North Coast of Vietnam. The average concentration of MPs in mussels was 3.67 ± 1.20 MPs/g wet weight and 25.05 ± 5.36 MPs/individual. Regarding surface seawater and beach sediments, the MPs concentration was found at 88.00 ± 30.88 MPs/L and 4800 ± 1776 MPs/kg dry weight, respectively. The dominant microplastics shape was fragment with the fractions ranging from 69.86 to 82.41 %. In addition, the size distribution of MPs was mostly in the range of smaller than 50 μm and 1-150 μm (34.17 % and 45.62 % in mussels; 29.65 % and 43.20 % in surface seawater and 40.22 % and 39.40 % in beach sediment, respectively). Polyethylene terephthalate was the major polymer types 49.93-58.44 % of the detected MPs. The risk assessment results based on the polymer types indicated a warning level in several sites.
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Affiliation(s)
- Van Manh Do
- Institute of Science and Technology for Energy and Environment, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Viet Nam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Viet Nam
| | - Van Tuyen Trinh
- Institute of Science and Technology for Energy and Environment, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Viet Nam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Viet Nam
| | - Xuan Thanh Thao Le
- Institute of Science and Technology for Energy and Environment, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Viet Nam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Viet Nam
| | - Duy Thanh Nguyen
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi, Viet Nam; Vietnam National Institute of Occupational Safety and Health, 99 Tran Quoc Toan Road, Hoan Kiem District, Hanoi, Viet Nam.
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130
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Li L, Xue B, Lin H, Lan W, Wang X, Wei J, Li M, Li M, Duan Y, Lv J, Chen Z. The adsorption and release mechanism of different aged microplastics toward Hg(II) via batch experiment and the deep learning method. CHEMOSPHERE 2024; 350:141067. [PMID: 38163463 DOI: 10.1016/j.chemosphere.2023.141067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/03/2024]
Abstract
Aged microplastics are ubiquitous in the aquatic environment, which inevitably accumulate metals, and then alter their migration. Whereas, the synergistic behavior and effect of microplastics and Hg(II) were rarely reported. In this context, the adsorptive behavior of Hg(II) by pristine/aged microplastics involving polystyrene, polyethylene, polylactic acid, and tire microplastics were investigated via kinetic (pseudo-first and second-order dynamics, the internal diffusion model), Langmuir, and Freundlich isothermal models; the adsorption and desorption behavior was also explored under different conditions. Microplastics aged by ozone exhibited a rougher surface attached with abundant oxygen-containing groups to enhance hydrophilicity and negative surface charge, those promoted adsorption capacity of 4-20 times increment compared with the pristine microplastics. The process (except for aged tire microplastics) was dominated by a monolayer chemical reaction, which was significantly impacted by pH, salinity, fulvic acid, and co-existing ions. Furthermore, the adsorbed Hg(II) could be effectively eluted in 0.04% HCl, simulated gastric liquids, and seawater with a maximum desorption amount of 23.26 mg/g. An artificial neural network model was used to predict the performance of microplastics in complex media and accurately capture the main influencing factors and their contributions. This finding revealed that aged microplastics had the affinity to trap Hg(II) from freshwater, whereafter it released the Hg(II) once transported into the acidic medium, the organism's gastrointestinal system, or the estuary area. These indicated that aged microplastics could be the sink or the source of Hg(II) depending on the surrounding environment, meaning that aged microplastics could be the vital carrier to Hg(II).
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Affiliation(s)
- Lianghong Li
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
| | - Bin Xue
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
| | - Haiying Lin
- School of Resources, Environment and Materials, Guangxi University, Nanning, China; Guangxi Key Laboratory of Emerging Contaminants Monitoring, Early Warning and Environmental Health Risk Assessment, Guangxi University, Nanning, China.
| | - Wenlu Lan
- Beibu Gulf Marine Ecological Environment Field Observation and Research Station of Guangxi, Beihai, Guangxi, China; Marine Environmental Monitoring Centre of Guangxi, Beihai, Guangxi, China.
| | - Xinyi Wang
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
| | - Junqi Wei
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
| | - Mingen Li
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
| | - Mingzhi Li
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
| | - Yu Duan
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
| | - Jiatong Lv
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
| | - Zixuan Chen
- School of Resources, Environment and Materials, Guangxi University, Nanning, China
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131
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George M, Nallet F, Fabre P. A threshold model of plastic waste fragmentation: New insights into the distribution of microplastics in the ocean and its evolution over time. MARINE POLLUTION BULLETIN 2024; 199:116012. [PMID: 38232651 DOI: 10.1016/j.marpolbul.2023.116012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/19/2024]
Abstract
Plastic pollution in the aquatic environment has been assessed for many years by ocean waste collection expeditions around the globe or by river sampling. While the total amount of plastic produced worldwide is well documented, the amount of plastic found in the ocean, the distribution of particles on its surface and its evolution over time are still the subject of much debate. In this article, we propose a general fragmentation model, postulating the existence of a critical size below which particle fragmentation becomes extremely unlikely. In the frame of this model, an abundance peak appears for sizes around 1 mm, in agreement with real environmental data. Using, in addition, a realistic exponential waste feed to the ocean, we discuss the relative impact of fragmentation and feed rates, and the temporal evolution of microplastics (MP) distribution. New conclusions on the temporal trend of MP pollution are drawn.
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Affiliation(s)
- Matthieu George
- Laboratoire Charles-Coulomb, UMR 5221 CNRS, Université de Montpellier, Campus Triolet, Place Eugène-Bataillon - CC069, F-34095, Montpellier Cedex 5, France
| | - Frédéric Nallet
- Centre de recherche Paul-Pascal, UMR 5031 CNRS, Université de Bordeaux, 115 avenue du Docteur-Schweitzer, F-33600 Pessac, France
| | - Pascale Fabre
- Laboratoire Charles-Coulomb, UMR 5221 CNRS, Université de Montpellier, Campus Triolet, Place Eugène-Bataillon - CC069, F-34095, Montpellier Cedex 5, France.
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132
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Wang T, Li B, Shi H, Ding Y, Chen H, Yuan F, Liu R, Zou X. The processes and transport fluxes of land-based macroplastics and microplastics entering the ocean via rivers. JOURNAL OF HAZARDOUS MATERIALS 2024; 466:133623. [PMID: 38301445 DOI: 10.1016/j.jhazmat.2024.133623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 02/03/2024]
Abstract
Approximately 80% of marine plastic waste originates from land-based sources and enters oceans through rivers. Hence, to create effective regulations, it is crucial to thoroughly examine the processes by which land-based plastic waste flows into marine environments. To this end, this review covers the complete journey of macro- and microplastics from their initial input into rivers to their ultimate release into oceans. Here, we also discuss the primary influencing factors and current popular research topics. Additionally, the principles, applicability, accuracy, uncertainty, and potential improvement of the standard methods used for flux estimation at each stage are outlined. Emission estimates of land-based macro- and microplastics are typically assessed using the emission factor approach, coefficient accounting approach, or material flow analysis. Accurately estimating mismanaged plastic waste is crucial for reducing uncertainty in the macroplastic emission inventory. In our review of the processes by which land-originating plastics enter rivers, we categorized them into two major types: point-source and diffuse-source pollution. Land surface hydrological models simulate transport from diffuse sources to rivers, necessitating further research. Riverine (micro)plastic flux to the ocean is often estimated using monitoring statistics and watershed hydrological models at the watershed scale; however, standardized monitoring methods have not yet been established. At the global scale, algorithms based on river datasets are often used, which require further improvements in river data selection and microplastic number-mass conversion factors. Furthermore, the article summarizes the accuracy and sources of uncertainty of various methods. Future research efforts should focus on quantifying and mitigating uncertainties in resultant projections. Overall, this review deepens our understanding of the processes by which land-based plastic waste enters the ocean and helps scholars efficiently select or improve relevant methods when studying land-ocean transport fluxes.
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Affiliation(s)
- Teng Wang
- Key Laboratory of Marine Hazards Forecasting, Ministry of Natural Resources, Hohai University, Nanjing 210024, China; Jiangsu Province Engineering Research Center for Marine Bio-resources Sustainable Utilization & Nanjing Outskirts Sea-Atmosphere Interface Field Scientific Observation Research Station & College of Oceanography, Hohai University, Nanjing 210024, China.
| | - Baojie Li
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Huahong Shi
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
| | - Yongcheng Ding
- School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China; Shanghai Academy of Environmental Sciences, Shanghai 200233, China
| | - Hongyu Chen
- School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China
| | - Feng Yuan
- School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China
| | - Rongze Liu
- Jiangsu Province Engineering Research Center for Marine Bio-resources Sustainable Utilization & Nanjing Outskirts Sea-Atmosphere Interface Field Scientific Observation Research Station & College of Oceanography, Hohai University, Nanjing 210024, China
| | - Xinqing Zou
- School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China.
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133
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Yan C, Wang X, Nie M, Mo X, Ding M, Chen J, Yang Y. Characteristics of microplastic-derived dissolved organic matter and its binding with pharmaceuticals unveiled by fluorescence spectroscopy and two-dimensional correlation spectroscopy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168190. [PMID: 37918754 DOI: 10.1016/j.scitotenv.2023.168190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/26/2023] [Accepted: 10/27/2023] [Indexed: 11/04/2023]
Abstract
Microplastics were an extensively detected pollutant in the environment, but microplastic-derived dissolved organic matter (MP-DOM) has received less attention, much less its impact on the binding behavior of pollutants (e.g., pharmaceuticals). In this study, DOM derived from two typical MPs, i.e., polyethylene terephthalate (PET) and polystyrene (PS) was generated by UV irradiation (a widely used way for MPs' aging treatment) and characterized by multiple spectroscopic techniques and methods. Chloramphenicol (CAP) and carbamazepine (CBZ) were selected to investigate the binding mechanism between MP-DOM and pharmaceuticals. After UV irradiation, the concentration of the dissolved organic carbon, colored DOM, and carboxyl/carbonyl groups of MP-DOM increased. Moreover, the humic-like substance released preceding and more under UV irradiation. Furthermore, the protein-like substances on PET-DOM and the humic-like substances on PS-DOM were positively correlated to the binding capacity to the pharmaceuticals, respectively. 2D-COS results revealed that the fluorescent materials having more oxygen-containing functional groups for MP-DOM preferentially interacted with the pharmaceuticals. Overall, the higher fluorescence quenching was related to the protein-like substance, CBZ, and PET-DOM as compared to the humic-like substance, CAP, and PS-DOM. It was verified by the relatively high binding ability (logKM) for them (the protein-like substance: 5.15; CBZ: 4.61; PET: 4.48). This study first proved the environmental reactivity of MP-DOM to the pharmaceuticals highlighting the significance of the spectral properties for the binding behavior of MP-DOM with pharmaceuticals and the competitive sorption role of MP-DOM to the pollutants in the natural environment.
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Affiliation(s)
- Caixia Yan
- School of Geography and Environment, Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Jiangxi Normal University, 99 Ziyang Road, Nanchang 330022, China
| | - Xiao Wang
- School of Geography and Environment, Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Jiangxi Normal University, 99 Ziyang Road, Nanchang 330022, China
| | - Minghua Nie
- School of Geography and Environment, Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Jiangxi Normal University, 99 Ziyang Road, Nanchang 330022, China.
| | - Xiting Mo
- School of Geography and Environment, Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Jiangxi Normal University, 99 Ziyang Road, Nanchang 330022, China
| | - Mingjun Ding
- School of Geography and Environment, Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Jiangxi Normal University, 99 Ziyang Road, Nanchang 330022, China
| | - Jie Chen
- School of Geography and Environment, Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Jiangxi Normal University, 99 Ziyang Road, Nanchang 330022, China
| | - Yi Yang
- Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, 500 Dongchuan Road, Shanghai 200/241, China.
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134
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Li JY, Yu Y, Craig NJ, He W, Su L. Interactions between microplastics and insects in terrestrial ecosystems-A systematic review and meta-analysis. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132783. [PMID: 37852134 DOI: 10.1016/j.jhazmat.2023.132783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/20/2023]
Abstract
The presence of microplastics (MPs) in terrestrial ecosystems has been confirmed worldwide. Due to their widespread distribution and diversity in habitats, insects will readily interact with MPs via various pathways. Although the topic of MP-insect interactions is still in the early stages of research, it is becoming increasingly important. We used a META approach with phylogenetic control and subgroup examination to summarize the evidence from both field and laboratory experiments in quantitative form. The field evidence suggests that insects can take and transfer MPs along food chains via ingestion and adherence. Also, they are active in the bio-fragmentation of MPs and the generation of secondary pollutants. The exposure to MPs impaired key biological traits of insects, mainly their behavior and health, such as reducing climbing ability and increasing oxidative stress. In terms of exposure conditions, the small-sized MPs can induce more severe effects on the insects, while the insect response to MPs was not significantly reliant on exposure times or MP concentrations based on the current evidence available. We propose that insects not only play roles in the redistribution of MPs spatially and in food chains via bio-fragmentation but are also threatened by MPs. Our research deepens our understanding of the environmental risks posed by MPs in insect ecosystems.
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Affiliation(s)
- Juan-Ying Li
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of River and Lake Biochain Construction and Resource Utilization, Shanghai 201702, China
| | - Yang Yu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China
| | - Nicholas J Craig
- School of Biosciences, the University of Melbourne, Parkville 3010, Victoria, Australia
| | - Wenhui He
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of River and Lake Biochain Construction and Resource Utilization, Shanghai 201702, China
| | - Lei Su
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of River and Lake Biochain Construction and Resource Utilization, Shanghai 201702, China.
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135
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Chen C, Deng Y, Liu Q, Lai H, Zhang C. Effects of microplastics on cold seep sediment prokaryotic communities. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:123008. [PMID: 38006990 DOI: 10.1016/j.envpol.2023.123008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/17/2023] [Accepted: 11/18/2023] [Indexed: 11/27/2023]
Abstract
Cold seep sediments are an important reservoir of microplastics (MPs) whose impact on the structure and function of prokaryotic community is not well understood. In this study, the impact of 0.2% and 1% (w/w) polyethylene (PE), polystyrene (PS), and polypropylene (PP) MPs on the cold seep sediment prokaryotic community was investigated in a 120-day laboratory incubation experiment. The results revealed that exposure to MPs altered sedimentary chemical properties in a type- and concentration-dependent manner. Furthermore, MPs significantly altered the structure of bacterial community, with some MPs degradation-associated bacterial phyla significantly increasing (p < 0.05). However, in the case of archaea, the changes in the structure of microbial community were less pronounced (p > 0.05). Co-occurrence network analysis revealed that the addition of MPs reduced the network complexity, while PICRUSt2 and FAPROTAX analyses suggested that 0.2% PP and 1% PS MPs had the most significant effects on the nitrogen and carbon cycles (p < 0.05). Overall, this study provides new insights into the effects of MPs on the structure and function of microbial communities in cold seep sediments.
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Affiliation(s)
- Chunlei Chen
- Institute of Marine Biology and pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China
| | - Yinan Deng
- Guangzhou Marine Geological Survey, Guangzhou, 510075, Guangdong, China
| | - Qing Liu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541000, Guangxi, China
| | - Hongfei Lai
- Guangzhou Marine Geological Survey, Guangzhou, 510075, Guangdong, China
| | - Chunfang Zhang
- Institute of Marine Biology and pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China.
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136
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Pegado T, Andrades R, Noleto-Filho E, Franceschini S, Soares M, Chelazzi D, Russo T, Martellini T, Barone A, Cincinelli A, Giarrizzo T. Meso- and microplastic composition, distribution patterns and drivers: A snapshot of plastic pollution on Brazilian beaches. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:167769. [PMID: 37879477 DOI: 10.1016/j.scitotenv.2023.167769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/27/2023]
Abstract
Pollution by plastics is a worldwide problem on par with climatic change and biological invasions. In coastal sediments, plastic particles tend to accumulate and persist over the long term. We assessed the plastic pollution using a standardized surface sediment sampling protocol on 22 sandy beaches along >4600 km of the Brazilian coast. The abundance, size, color, type, and polymeric composition of all meso- and microplastic items found in the surveys were processed to disclose spatial patterns of distribution and pollution associated drivers. A General Linear Model (GLM) was run to investigate how the predictor variables influenced overall beach plastic amounts and by plastic type and size class. Overall, 3114 plastic items were found, with microplastics comprising just over half of all items (54 %). Most items were either white (60 %) or blue (13 %), while polystyrene foam (45 %) and fragments (39 %) comprised the most abundant plastic types. The principal polymers were Polyethylene (40 %) and Polypropylene (32 %). The analyses indicated that the distribution of plastic litter along beaches is determined by three predictive variables: the distance to the nearest estuary (-), tourism (+), and the number of inhabitants in the nearest urban center (+). Tourist (highly-visited) beaches and those near estuarine runoffs or urban centers presented the highest plastic pollution rates. The unveiling of plastic pollution patterns through a large-scale systematic survey is essential for future management guidance and science-based decisions for mitigating and solving the plastic pollution crisis.
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Affiliation(s)
- Tamyris Pegado
- Núcleo de Ecologia Aquática e Pesca da Amazônia (NEAP), Universidade Federal do Pará, Avenida Perimetral 2651, Belém, Brasil.
| | - Ryan Andrades
- Laboratório de Ictiologia, Universidade Federal do Espírito Santo, Goiabeiras, 29075-910 Vitória, Espírito Santo, Brasil
| | | | - Simone Franceschini
- Hawai'i Institute of Marine Biology, University of Hawai'i at Mānoa, United States of America
| | - Marcelo Soares
- Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará (UFC), Avenida da Abolição 3207, Fortaleza, Ceará 60165-081, Brasil; Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany
| | - David Chelazzi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia, 3, 50019 Sesto Fiorentino, Florence, Italy; Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase (CSGI), Via della Lastruccia, 3, 50019 Sesto Fiorentino, Florence, Italy
| | - Tommaso Russo
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Tania Martellini
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia, 3, 50019 Sesto Fiorentino, Florence, Italy
| | - Angelica Barone
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia, 3, 50019 Sesto Fiorentino, Florence, Italy
| | - Alessandra Cincinelli
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia, 3, 50019 Sesto Fiorentino, Florence, Italy; Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase (CSGI), Via della Lastruccia, 3, 50019 Sesto Fiorentino, Florence, Italy
| | - Tommaso Giarrizzo
- Núcleo de Ecologia Aquática e Pesca da Amazônia (NEAP), Universidade Federal do Pará, Avenida Perimetral 2651, Belém, Brasil; Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará (UFC), Avenida da Abolição 3207, Fortaleza, Ceará 60165-081, Brasil
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137
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Qiu X, Ma S, Pan J, Cui Q, Zheng W, Ding L, Liang X, Xu B, Guo X, Rillig MC. Microbial metabolism influences microplastic perturbation of dissolved organic matter in agricultural soils. THE ISME JOURNAL 2024; 18:wrad017. [PMID: 38365242 PMCID: PMC10811734 DOI: 10.1093/ismejo/wrad017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 11/22/2023] [Accepted: 12/11/2023] [Indexed: 02/18/2024]
Abstract
An estimated 258 million tons of plastic enter the soil annually. Joining persistent types of microplastic (MP), there will be an increasing demand for biodegradable plastics. There are still many unknowns about plastic pollution by either type, and one large gap is the fate and composition of dissolved organic matter (DOM) released from MPs as well as how they interact with soil microbiomes in agricultural systems. In this study, polyethylene MPs, photoaged to different degrees, and virgin polylactic acid MPs were added to agricultural soil at different levels and incubated for 100 days to address this knowledge gap. We find that, upon MP addition, labile components of low aromaticity were degraded and transformed, resulting in increased aromaticity and oxidation degree, reduced molecular diversity, and changed nitrogen and sulfur contents of soil DOM. Terephthalate, acetate, oxalate, and L-lactate in DOM released by polylactic acid MPs and 4-nitrophenol, propanoate, and nitrate in DOM released by polyethylene MPs were the major molecules available to the soil microbiomes. The bacteria involved in the metabolism of DOM released by MPs are mainly concentrated in Proteobacteria, Actinobacteriota, and Bacteroidota, and fungi are mainly in Ascomycota and Basidiomycota. Our study provides an in-depth understanding of the microbial transformation of DOM released by MPs and its effects of DOM evolution in agricultural soils.
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Affiliation(s)
- Xinran Qiu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
- Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Sirui Ma
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
- Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Jianrui Pan
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
- Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Qian Cui
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
- Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Wei Zheng
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
- Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Ling Ding
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
- Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Xujun Liang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
- Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Baile Xu
- Institut für Biologie, Freie Universität Berlin, Berlin 14195, Germany
- Berlin-Brandenburg Institute of Advanced Biodiversity Research, Berlin 14195, Germany
| | - Xuetao Guo
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
- Key Laboratory of Plant Nutrition and the Agro-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China
| | - Matthias C Rillig
- Institut für Biologie, Freie Universität Berlin, Berlin 14195, Germany
- Berlin-Brandenburg Institute of Advanced Biodiversity Research, Berlin 14195, Germany
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138
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Zeb A, Liu W, Ali N, Shi R, Wang Q, Wang J, Li J, Yin C, Liu J, Yu M, Liu J. Microplastic pollution in terrestrial ecosystems: Global implications and sustainable solutions. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132636. [PMID: 37778309 DOI: 10.1016/j.jhazmat.2023.132636] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/24/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
Microplastic (MPs) pollution has become a global environmental concern with significant impacts on ecosystems and human health. Although MPs have been widely detected in aquatic environments, their presence in terrestrial ecosystems remains largely unexplored. This review examines the multifaceted issues of MPs pollution in terrestrial ecosystem, covering various aspects from additives in plastics to global legislation and sustainable solutions. The study explores the widespread distribution of MPs worldwide and their potential antagonistic interactions with co-occurring contaminants, emphasizing the need for a holistic understanding of their environmental implications. The influence of MPs on soil and plants is discussed, shedding light on the potential consequences for terrestrial ecosystems and agricultural productivity. The aging mechanisms of MPs, including photo and thermal aging, are elucidated, along with the factors influencing their aging process. Furthermore, the review provides an overview of global legislation addressing plastic waste, including bans on specific plastic items and levies on single-use plastics. Sustainable solutions for MPs pollution are proposed, encompassing upstream approaches such as bioplastics, improved waste management practices, and wastewater treatment technologies, as well as downstream methods like physical and biological removal of MPs. The importance of international collaboration, comprehensive legislation, and global agreements is underscored as crucial in tackling this pervasive environmental challenge. This review may serve as a valuable resource for researchers, policymakers, and stakeholders, providing a comprehensive assessment of the environmental impact and potential risks associated with MPs.
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Affiliation(s)
- Aurang Zeb
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Weitao Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China.
| | - Nouman Ali
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Ruiying Shi
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Qi Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jianling Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jiantao Li
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Chuan Yin
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jinzheng Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Miao Yu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
| | - Jianv Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China; Tianjin Engineering Research Center of Environmental Diagnosis and Contamination Remediation, Tianjin 300350, China
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139
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Li Z, Liu W, Rahaman MH, Chen Z, Yan J, Zhai J. Polystyrene microplastics accumulation in lab-scale vertical flow constructed wetlands: impacts and fate. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132576. [PMID: 37738848 DOI: 10.1016/j.jhazmat.2023.132576] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/29/2023] [Accepted: 09/16/2023] [Indexed: 09/24/2023]
Abstract
Microplastics (MPs) are ubiquitous pollutants that significantly threaten organisms and ecosystems. Constructed wetlands (CWs), a nature-based treatment technology, can effectively remove MPs from wastewater. However, the responses of CWs when exposed to MPs remain unclear. In this study, lab-scale vertical flow constructed wetlands (VFCWs) were installed for receiving polystyrene (PS) MPs at concentrations of 100 μg/L and 1000 μg/L. The results showed that exposure to PS-MPs has no effects on COD and TP removal in VFCWs, but TN removal decreased by 3.69-5.37 %. Further investigation revealed that PS-MPs significantly impacted microbial communities and metabolic functions. The abundances of predominant nitrifiers (Nitrospira and Nitrosomonas) and denitrifiers (Nakamurella, Bradyrhizobium, and Bacillus) in VFCWs were significantly reduced, aligning with the responses of key enzymes. The presence of PS-MPs also decreased nitrogen removal by plant uptake, leading to decreased plant biomass and chlorophyll by 39.32-48.75 % and 5.92-32.19 %, respectively. Notably, > 90 % removal rates were observed for PS-MPs within VFCWs. In addition to PS-MPs interception by VFCWs substrate, the increase of released benzenes indicated that the PS-MPs biodegradation occurred. Such insights are vital for developing sustainable solutions to mitigate MPs' adverse effects on ecosystems.
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Affiliation(s)
- Zhenchen Li
- College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Wenbo Liu
- Institute for Smart City of Chongqing University in Liyang, Chongqing University, Jiangsu 213300, China
| | - Md Hasibur Rahaman
- Institute for Smart City of Chongqing University in Liyang, Chongqing University, Jiangsu 213300, China
| | - Zhongbing Chen
- Department of Applied Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcka 129, Praha-Suchdol 16500, Czech Republic
| | - Jixia Yan
- College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Jun Zhai
- College of Environment and Ecology, Chongqing University, Chongqing 400045, China; Institute for Smart City of Chongqing University in Liyang, Chongqing University, Jiangsu 213300, China.
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140
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Zurub RE, Cariaco Y, Wade MG, Bainbridge SA. Microplastics exposure: implications for human fertility, pregnancy and child health. Front Endocrinol (Lausanne) 2024; 14:1330396. [PMID: 38239985 PMCID: PMC10794604 DOI: 10.3389/fendo.2023.1330396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/11/2023] [Indexed: 01/22/2024] Open
Abstract
Plastics found in our everyday environment are becoming an increasing concern for individual and population-level health, and the extent of exposure and potential toxic effects of these contaminants on numerous human organ systems are becoming clear. Microplastics (MPs), tiny plastic particles, appear to have many of the same biological effects as their plastic precursors and have the compounded effect of potential accumulation in different organs. Recently, microplastic accumulation was observed in the human placenta, raising important questions related to the biological effects of these contaminants on the health of pregnancies and offspring. These concerns are particularly heightened considering the developmental origins of health and disease (DOHaD) framework, which postulates that in utero exposure can programme the lifelong health of the offspring. The current review examines the state of knowledge on this topic and highlights important avenues for future investigation.
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Affiliation(s)
- Rewa E. Zurub
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Yusmaris Cariaco
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Michael G. Wade
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Shannon A. Bainbridge
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
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141
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Martin-Folgar R, González-Caballero MC, Torres-Ruiz M, Cañas-Portilla AI, de Alba González M, Liste I, Morales M. Molecular effects of polystyrene nanoplastics on human neural stem cells. PLoS One 2024; 19:e0295816. [PMID: 38170698 PMCID: PMC10763972 DOI: 10.1371/journal.pone.0295816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/30/2023] [Indexed: 01/05/2024] Open
Abstract
Nanoplastics (NPs) have been found in many ecological environments (aquatic, terrestrial, air). Currently, there is great concern about the exposition and impact on animal health, including humans, because of the effects of ingestion and accumulation of these nanomaterials (NMs) in aquatic organisms and their incorporation into the food chain. NPs´ mechanisms of action on humans are currently unknown. In this study, we evaluated the altered molecular mechanisms on human neural stem cell line (hNS1) after 4 days of exposure to 30 nm polystyrene (PS) NPs (0.5, 2.5 and 10 μg/mL). Our results showed that NPs can induce oxidative stress, cellular stress, DNA damage, alterations in inflammatory response, and apoptosis, which could lead to tissue damage and neurodevelopmental diseases.
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Affiliation(s)
- Raquel Martin-Folgar
- Grupo de Biología y Toxicología Ambiental, Departamento de Física Matemática y de Fluidos, Facultad de Ciencias, UNED. Urbanización Monte Rozas, Las Rozas (Madrid), Spain
| | - Mª Carmen González-Caballero
- Environmental Toxicology Unit, Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III (ISCIII), Majadahonda (Madrid), Spain
| | - Mónica Torres-Ruiz
- Environmental Toxicology Unit, Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III (ISCIII), Majadahonda (Madrid), Spain
| | - Ana I. Cañas-Portilla
- Environmental Toxicology Unit, Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III (ISCIII), Majadahonda (Madrid), Spain
| | - Mercedes de Alba González
- Environmental Toxicology Unit, Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III (ISCIII), Majadahonda (Madrid), Spain
| | - Isabel Liste
- Environmental Toxicology Unit, Centro Nacional de Sanidad Ambiental (CNSA), Instituto de Salud Carlos III (ISCIII), Majadahonda (Madrid), Spain
| | - Mónica Morales
- Grupo de Biología y Toxicología Ambiental, Departamento de Física Matemática y de Fluidos, Facultad de Ciencias, UNED. Urbanización Monte Rozas, Las Rozas (Madrid), Spain
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142
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Romero MB, Polizzi PS, Chiodi L, Dolagaratz A, Gerpe M. Legacy and emerging contaminants in marine mammals from Argentina. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167561. [PMID: 37802361 DOI: 10.1016/j.scitotenv.2023.167561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 09/26/2023] [Accepted: 10/01/2023] [Indexed: 10/10/2023]
Abstract
Marine mammals are recognized sentinels of ecosystem health. They are susceptible to the accumulation and biomagnification of pollutants, which constitute one of the greatest threats to their survival. Legacy, such as organochlorine pesticides, and emerging contaminants, like microplastics and pharmaceuticals, may have effects on marine mammals' health at individual and population levels. Therefore, the evaluation of the risks associated with pollutants in this group is of great importance. The aim of this review is to provide information on the occurrence of legacy and emerging contaminants in marine mammals that inhabit Argentine waters. Also, to identify knowledge gaps and suggest best practices for future research. Reports of legacy contaminants referring to organochlorine pesticides and polychlorinated biphenyls were found in five species of cetaceans and two of pinnipeds. With respect to emerging pollutants, the presence of plastics was only evaluated in three species. Reported data was from at least a decade ago. Therefore, it is necessary to update existing information and conduct continuous monitoring to assess temporary trends in pollutants. All the studies were carried out in the province of Buenos Aires and Northern Patagonia indicating a knowledge gap in the southern zone of the Argentine Sea. In addition, pollutants of global environmental concern that have not been studied in Argentina are discussed. Future studies should fill these gaps and a greater effort to understand the relationships between pollutants and their effects on marine mammals is suggested. This issue will make it possible to determine thresholds for all the substances and species evaluated in order to carry out more detailed risk assessments and make decisions for the conservation of marine mammals in Argentine waters.
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Affiliation(s)
- M B Romero
- Toxicología Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Argentina; Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Funes 3350, CC7600 Mar del Plata, Argentina.
| | - P S Polizzi
- Toxicología Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Argentina; Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Funes 3350, CC7600 Mar del Plata, Argentina
| | - L Chiodi
- Toxicología Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Argentina; Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Funes 3350, CC7600 Mar del Plata, Argentina
| | - A Dolagaratz
- Toxicología Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Argentina; Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Funes 3350, CC7600 Mar del Plata, Argentina
| | - M Gerpe
- Toxicología Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Argentina; Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Funes 3350, CC7600 Mar del Plata, Argentina
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143
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Tanaka K, Takahashi Y, Kuramochi H, Osako M, Suzuki G. [Preparation of Nanoplastic Particles as Potential Standards for the Study of Nanoplastics]. YAKUGAKU ZASSHI 2024; 144:165-170. [PMID: 38296493 DOI: 10.1248/yakushi.23-00152-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
Nanoplastics (NPs) are plastic fragments that are small enough to be absorbed by organisms through ingestion or inhalation. Recent studies indicate that nanoplastics can be ubiquitous in the environment, and there are growing concerns regarding the impacts of nanoplastics on the health of humans and other organisms. However, quantitative information on nanoplastics in the environment is still very limited, and most previous toxicity studies have used only polystyrene (PS) particles because of a lack of appropriate model particles of other plastics. We developed a nanoprecipitation-based method for the preparation of nanoplastic particles of five major polymers: low-density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP), polyvinyl chloride (PVC), and polystyrene. A major advantage of our method is that the nanoplastic particles are prepared without using reagents that can remain in the particles as impurities. Analysis of the prepared particles' molecular weight (Mw) distributions, crystallinities, and thermal properties revealed that their compositions and constitutions were within the general ranges for commercial products. The mechanisms underlying the formation of low-density polyethylene particles via our method were investigated by means of a simple population balance model, and particle diameter was found to be linearly correlated with the suspension density of the nanoplastic dispersion up to 0.4 mg·mL-1. Future studies should focus on improving our method to allow for precise, scale-independent production of nanoplastic particles. Methods for the preparation of labeled particles are also needed so that such particles can be used in nanoplastic risk assessments.
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Affiliation(s)
- Kosuke Tanaka
- Material Cycles Division, National Institute for Environmental Studies
| | - Yusuke Takahashi
- Material Cycles Division, National Institute for Environmental Studies
| | | | - Masahiro Osako
- Material Cycles Division, National Institute for Environmental Studies
| | - Go Suzuki
- Material Cycles Division, National Institute for Environmental Studies
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144
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Srisiri S, Haetrakul T, Dunbar SG, Chansue N. Microplastic contamination in edible marine fishes from the upper Gulf of Thailand. MARINE POLLUTION BULLETIN 2024; 198:115785. [PMID: 38041887 DOI: 10.1016/j.marpolbul.2023.115785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 09/27/2023] [Accepted: 11/11/2023] [Indexed: 12/04/2023]
Abstract
Seafood consumption is a major source of microplastic exposure for humans. Here, we demonstrated microplastic contamination in marine food fishes from the upper Gulf of Thailand. Microplastics were found in gastrointestinal tracts of 46.9 % of fishes sampled, with a mean concentration of 1.6 ± 0.5 pieces per fish or 0.04 ± 0.01 pieces/g of fish tissue. Demersal fishes had higher contamination rates than pelagic fishes. Fibrous-type and blue-colored materials were the most abundant microplastics, while the most common polymers were polyester and polyethylene. No associations between microplastics and histopathological changes were detected. Estimated daily microplastic exposure for human marine fish consumers was 0.03 to 0.1 pieces per person. Although we expect a low risk of microplastic contamination in fish muscle because of very low calculated transfer rates, we recommend continuing surveillance, including evaluations of contamination in the food chain to ensure future seafood safety in this region.
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Affiliation(s)
- Sirawich Srisiri
- Department of Veterinary Medicine, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; Veterinary Medical Aquatic Animal Research Center of Excellence, Chulalongkorn University, Bangkok 10330, Thailand
| | - Thanida Haetrakul
- Department of Veterinary Medicine, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; Veterinary Medical Aquatic Animal Research Center of Excellence, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Stephen G Dunbar
- Marine Research Group, Loma Linda University, Loma Linda, CA 92350, USA
| | - Nantarika Chansue
- Department of Veterinary Medicine, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand; Veterinary Medical Aquatic Animal Research Center of Excellence, Chulalongkorn University, Bangkok 10330, Thailand
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Li Y, Liu C, Yang H, He W, Li B, Zhu X, Liu S, Jia S, Li R, Tang KHD. Leaching of chemicals from microplastics: A review of chemical types, leaching mechanisms and influencing factors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167666. [PMID: 37820817 DOI: 10.1016/j.scitotenv.2023.167666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 10/01/2023] [Accepted: 10/06/2023] [Indexed: 10/13/2023]
Abstract
It is widely known that microplastics are present everywhere and they pose certain risks to the ecosystem and humans which are partly attributed to the leaching of additives and chemicals from them. However, the leaching mechanisms remain insufficiently understood. This review paper aims to comprehensively and critically illustrate the leaching mechanisms in biotic and abiotic environments. It analyzes and synthesizes the factors influencing the leaching processes. It achieves the aims by reviewing >165 relevant scholarly papers published mainly in the past 10 years. According to this review, flame retardants, plasticizers and antioxidants are the three main groups of additives in microplastics with the potentials to disrupt endocrine functions, reproduction, brain development and kidney functions. Upon ingestion, the MPs are exposed to digestive fluids containing enzymes and acids which facilitate their degradation and leaching of chemicals. Fats and oils in the digestive tracts also aid the leaching and transport of these chemicals particularly the fat-soluble ones. Leaching is highly variable depending on chemical properties and bisphenols leach to a larger extent than other endocrine disrupting chemicals. However, the rates of leaching remain poorly understood, owing probably to multiple factors at play. Diffusion and partitioning are two main mechanisms of leaching in biotic and abiotic environments. Photodegradation is more predominant in the latter, generating reactive oxygen species which cause microplastic aging and leaching with minimal destruction of the chemicals leached. Effects of microplastic sizes on leaching are governed by Sherwood number, thickness of aqueous boundary layer and desorption half-life. This review contributes to better understanding of leaching of chemicals from microplastics which affect their ecotoxicities and human toxicity.
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Affiliation(s)
- Yage Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China; Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA
| | - Chen Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China; Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA
| | - Haotian Yang
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China; Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA
| | - Wenhui He
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China; Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA
| | - Beibei Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China; Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA
| | - Xinyi Zhu
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China; Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA
| | - Shuyan Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China; Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA
| | - Shihao Jia
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China; Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA
| | - Ronghua Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Kuok Ho Daniel Tang
- Department of Environmental Science, The University of Arizona, Tucson, AZ 85721, USA.
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146
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Bridson JH, Masterton H, Theobald B, Risani R, Doake F, Wallbank JA, Maday SDM, Lear G, Abbel R, Smith DA, Kingsbury JM, Pantos O, Northcott GL, Gaw S. Leaching and transformation of chemical additives from weathered plastic deployed in the marine environment. MARINE POLLUTION BULLETIN 2024; 198:115810. [PMID: 38006872 DOI: 10.1016/j.marpolbul.2023.115810] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 11/27/2023]
Abstract
Plastic pollution causes detrimental environmental impacts, which are increasingly attributed to chemical additives. However, the behaviour of plastic additives in the marine environment is poorly understood. We used a marine deployment experiment to examine the impact of weathering on the extractables profile, analysed by liquid chromatography-mass spectrometry, of four plastics at two locations over nine months in Aotearoa/New Zealand. The concentration of additives in polyethylene and oxo-degradable polyethylene were strongly influenced by artificial weathering, with deployment location and time less influential. By comparison, polyamide 6 and polyethylene terephthalate were comparatively inert with minimal change in response to artificial weathering or deployment time. Non-target analysis revealed extensive differentiation between non-aged and aged polyethylene after deployment, concordant with the targeted analysis. These observations highlight the need to consider the impact of leaching and weathering on plastic composition when quantifying the potential impact and risk of plastic pollution within receiving environments.
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Affiliation(s)
- James H Bridson
- Scion, Titokorangi Drive, Private Bag 3020, Rotorua 3046, New Zealand; School of Physical and Chemical Sciences, University of Canterbury, Christchurch 8041, New Zealand.
| | - Hayden Masterton
- Institute of Environmental Science and Research, 27 Creyke Road, Christchurch 8041, New Zealand
| | - Beatrix Theobald
- Scion, Titokorangi Drive, Private Bag 3020, Rotorua 3046, New Zealand
| | - Regis Risani
- Scion, Titokorangi Drive, Private Bag 3020, Rotorua 3046, New Zealand
| | - Fraser Doake
- Institute of Environmental Science and Research, 27 Creyke Road, Christchurch 8041, New Zealand
| | - Jessica A Wallbank
- School of Biological Sciences, University of Auckland, 3a Symonds Street, Auckland 1010, New Zealand
| | - Stefan D M Maday
- School of Biological Sciences, University of Auckland, 3a Symonds Street, Auckland 1010, New Zealand
| | - Gavin Lear
- School of Biological Sciences, University of Auckland, 3a Symonds Street, Auckland 1010, New Zealand
| | - Robert Abbel
- Scion, Titokorangi Drive, Private Bag 3020, Rotorua 3046, New Zealand
| | - Dawn A Smith
- Scion, Titokorangi Drive, Private Bag 3020, Rotorua 3046, New Zealand
| | - Joanne M Kingsbury
- Institute of Environmental Science and Research, 27 Creyke Road, Christchurch 8041, New Zealand
| | - Olga Pantos
- Institute of Environmental Science and Research, 27 Creyke Road, Christchurch 8041, New Zealand
| | - Grant L Northcott
- Northcott Research Consultants Limited, 20 River Oaks Place, Hamilton 3200, New Zealand
| | - Sally Gaw
- School of Physical and Chemical Sciences, University of Canterbury, Christchurch 8041, New Zealand
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147
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Soe KK, Maae S, Jaafar Z, Chuaduangpui P, Jantarat S, Hajisamae S. Plastic ingestion by three species of Scylla (Brachyura) from the coastal areas of Thailand. MARINE POLLUTION BULLETIN 2024; 198:115914. [PMID: 38101055 DOI: 10.1016/j.marpolbul.2023.115914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 12/02/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023]
Abstract
This study marked the first investigation into the presence of plastic particles in the stomachs of three mud crab species (Scylla olivacea, S. paramamosain and S. tranquebarica) collected across the Andaman Sea and the Gulf of Thailand. The highest number of plastic particles in the stomach of crab samples was polyethylene (PE) that contributed 88.5 %; while green was the predominant colour (60.3 %). Ingested particles recovered from the stomachs of crabs differed significantly between species and sites (p < 0.001). The average number of plastic particles per individual was 2.3 ± 8.6 in Scylla olivacea, 7.2 ± 16.9 in S. paramamosain, and 13.5 ± 48.9 in S. tranquebarica. Satun, revealed the highest number of plastic particles recovered from mud crabs, while the lowest number of plastic particles were from Pattani. To conclude, species of crab and site of collection plays a crucial factor in the propensity of plastic particles ingested by the genus Scylla mud crabs.
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Affiliation(s)
- Kay Khine Soe
- Department of Agricultural and Fishery Science, Faculty of Science and Technology, Prince of Songkla University, Pattani 94000, Thailand
| | - Sofiyudin Maae
- Department of Agricultural and Fishery Science, Faculty of Science and Technology, Prince of Songkla University, Pattani 94000, Thailand; Aquatic Science and Innovative Management Division, Faculty of Natural Resources, Prince of Songkla University, Songkhla 90110, Thailand
| | - Zeehan Jaafar
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, 117543, Singapore
| | - Pornpimon Chuaduangpui
- Aquatic Science and Innovative Management Division, Faculty of Natural Resources, Prince of Songkla University, Songkhla 90110, Thailand
| | - Sitthisak Jantarat
- Department of Science, Faculty of Science and Technology, Prince of Songkla University, Pattani 94000, Thailand
| | - Sukree Hajisamae
- Department of Agricultural and Fishery Science, Faculty of Science and Technology, Prince of Songkla University, Pattani 94000, Thailand.
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148
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Chen R, Zhao X, Wu X, Wang J, Wang X, Liang W. Research progress on occurrence characteristics and source analysis of microfibers in the marine environment. MARINE POLLUTION BULLETIN 2024; 198:115834. [PMID: 38061148 DOI: 10.1016/j.marpolbul.2023.115834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 11/13/2023] [Accepted: 11/18/2023] [Indexed: 01/05/2024]
Abstract
Synthetic microfiber pollution is a growing concern in the marine environment. However, critical issues associated with microfiber origins in marine environments have not been resolved. Herein, the potential sources of marine microfibers are systematically reviewed. The obtained results indicate that surface runoffs are primary contributors that transport land-based microfibers to oceans, and the breakdown of larger fiber plastic waste due to weathering processes is also a notable secondary source of marine microfibers. Additionally, there are three main approaches for marine microplastic source apportionment, namely, anthropogenic source classification, statistical analysis, and numerical simulations based on the Lagrangian particle tracking method. These methods establish the connections between characteristics, transport pathways and sources of microplastics, which provides new insights to further conduct microfiber source apportionment. This study helps to better understand sources analysis and transport pathways of microfibers into oceans and presents a scientific basis to further control microfiber pollution in marine environments.
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Affiliation(s)
- Rouzheng Chen
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 10012, China
| | - Xiaoli Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 10012, China.
| | - Xiaowei Wu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 10012, China
| | - Junyu Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 10012, China
| | - Xia Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 10012, China
| | - Weigang Liang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 10012, China
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149
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Mubin AN, Islam ARMT, Hasan M, Islam MS, Ali MM, Siddique MAB, Alam MS, Rakib MRJ, Islam MS, Momtaz N, Senapathi V, Idris AM, Malafaia G. The path of microplastics through the rare biodiversity estuary region of the northern Bay of Bengal. JOURNAL OF CONTAMINANT HYDROLOGY 2024; 260:104271. [PMID: 38056088 DOI: 10.1016/j.jconhyd.2023.104271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/01/2023] [Accepted: 11/25/2023] [Indexed: 12/08/2023]
Abstract
Due to its harmful effects on ecosystems and human health, microplastic (MP) pollution has become a significant environmental problem on a global scale. Although MPs' pollution path and toxic effects on marine habitats have been examined worldwide, the studies are limited to the rare biodiversity estuary region of Hatiya Island from the northern Bay of Bengal. This study aimed to investigate the MP pollution path and its influencing factors in estuarine sediments and water in rare biodiversity Hatiya Island in the northern Bay of Bengal. Sixty water and sediment samples were collected from 10 sampling sites on the Island and analyzed for MPs. The abundance of MPs in sediment ranged from 67 to 143 pieces/kg, while the abundance in water ranged from 24.34 to 59 pieces/m3. The average concentrations of MPs in sediment and water were 110.90 ± 20.62 pieces/kg and 38.77 ± 10.09 pieces/m3, respectively. Most identified MPs from sediment samples were transparent (51%), while about 54.1% of the identified MPs from water samples were colored. The fragment was the most common form of MP in both compartments, with a value of 64.6% in sediment samples and 60.6% in water samples. In sediment and water samples, almost 74% and 80% of MP were <0.5 mm, respectively. Polypropylene (PP) was the most abundant polymer type, accounting for 51% of all identified polymers. The contamination factor, pollution load index, polymer risk score, and pollution risk score values indicated that the study area was moderately polluted with MPs. The spatial distribution patterns and hotspots of MPs echoed profound human pathways. Based on the results, sustainable management strategies and intervention measures were proposed to reduce the pollution level in the ecologically diverse area. This study provides important insights into evaluating estuary ecosystem susceptibility and mitigation policies against persistent MP issues.
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Affiliation(s)
- Al-Nure Mubin
- Department of Disaster Management, Begum Rokeya University, Rangpur 5400, Bangladesh
| | - Abu Reza Md Towfiqul Islam
- Department of Disaster Management, Begum Rokeya University, Rangpur 5400, Bangladesh; Department of Development Studies, Daffodil International University, Dhaka 1216, Bangladesh.
| | - Mehedi Hasan
- Department of Disaster Management, Begum Rokeya University, Rangpur 5400, Bangladesh
| | - Md Saiful Islam
- Department of Soil Science, Patuakhali Science and Technology University, Dumki, Patuakhali 8602, Bangladesh
| | - Mir Mohammad Ali
- Department of Aquaculture, Sher - e - Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - Md Abu Bakar Siddique
- Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka 1205, Bangladesh
| | - Md Sha Alam
- Institute of Mining, Mineralogy & Metallurgy (IMMM), Bangladesh Council of Scientific & Industrial Research (BCSIR), Joypurhat 5900, Bangladesh
| | - Md Refat Jahan Rakib
- Department of Fisheries and Marine Science, Faculty of Science, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Muhammad Saiful Islam
- Fiber and Polymer Research Division, BCSIR Laboratories Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka 1205, Bangladesh
| | - Nasima Momtaz
- Biological Research Division, BCSIR Laboratories Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka 1205, Bangladesh
| | | | - Abubakr M Idris
- Department of Chemistry, College of Science, King Khalid University, Abha 62529, Saudi Arabia; Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
| | - Guilherme Malafaia
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Goiânia, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil.
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150
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de Souza Teodoro L, Jablonski CA, Pelegrini K, Pereira TCB, Maraschin TG, de Sousa Araujo AC, Monserrat JM, de Souza Basso NR, Kist LW, Bogo MR. Toxic effects of environmental-relevant exposure to polyethylene terephthalate (PET) micro and nanoparticles in zebrafish early development. NANOIMPACT 2024; 33:100497. [PMID: 38316295 DOI: 10.1016/j.impact.2024.100497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/09/2024] [Accepted: 02/02/2024] [Indexed: 02/07/2024]
Abstract
Polyethylene terephthalate (PET) is a commonly used thermoplastic in industry due to its excellent malleability and thermal stability, making it extensively employed in packaging manufacturing. Inadequate disposal of PET packaging in the environment and natural physical-chemical processes leads to the formation of smaller particles known as PET micro and nanoplastics (MNPs). The reduced dimensions enhance particle bioavailability and, subsequently, their reactivity. This study involved chemical degradation of PET using trifluoroacetic acid to assess the impact of exposure to varying concentrations of PET MNPs (0.5, 1, 5, 10, and 20 mg/L) on morphological, functional, behavioral, and biochemical parameters during the early developmental stages of zebrafish (Danio rerio). Characterization of the degraded PET revealed the generated microplastics (MPs) ranged in size from 1305 to 2032 μm, and that the generated nanoplastics (NPs) ranged from 68.06 to 955 nm. These particles were then used for animal exposure. After a six-day exposure period, our findings indicate that PET MNPs can diminish spontaneous tail coiling (STC), elevate the heart rate, accumulate on the chorion surface, and reduce interocular distance. These results suggest that PET exposure induces primary toxic effects on zebrafish embryo-larval stage of development.
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Affiliation(s)
- Lilian de Souza Teodoro
- Laboratory of Genomics and Molecular Biology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), School of Health and Life Sciences, Av. Ipiranga, 6681 Porto Alegre, RS, Brazil; Graduate Program in Cellular and Molecular Biology, PUCRS, Av. Ipiranga, 6681 Porto Alegre, RS, Brazil
| | - Camilo Alexandre Jablonski
- Laboratory of Genomics and Molecular Biology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), School of Health and Life Sciences, Av. Ipiranga, 6681 Porto Alegre, RS, Brazil; Graduate Program in Medicine and Health Sciences, PUCRS, Av. Ipiranga, 6690 Porto Alegre, RS, Brazil
| | - Kauê Pelegrini
- Organometallic Compounds and Resins Laboratory, School of Technology, PUCRS, Porto Alegre, RS, Brazil; Graduate Program in Materials Technology and Engineering, PUCRS, Porto Alegre, RS, Brazil
| | - Talita Carneiro Brandão Pereira
- Laboratory of Genomics and Molecular Biology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), School of Health and Life Sciences, Av. Ipiranga, 6681 Porto Alegre, RS, Brazil; Graduate Program in Medicine and Health Sciences, PUCRS, Av. Ipiranga, 6690 Porto Alegre, RS, Brazil
| | - Thuany Garcia Maraschin
- Organometallic Compounds and Resins Laboratory, School of Technology, PUCRS, Porto Alegre, RS, Brazil; Graduate Program in Materials Technology and Engineering, PUCRS, Porto Alegre, RS, Brazil
| | - Alan Carvalho de Sousa Araujo
- Graduate Program in Aquaculture, Institute of Oceanography (IO), Federal University of Rio Grande - FURG, Rio Grande, RS, Brazil
| | - Jose Maria Monserrat
- Graduate Program in Aquaculture, Institute of Oceanography (IO), Federal University of Rio Grande - FURG, Rio Grande, RS, Brazil; Institute of Biological Sciences (ICB), Federal University of Rio Grande - FURG, Rio Grande, RS, Brazil
| | | | - Luiza Wilges Kist
- Laboratory of Genomics and Molecular Biology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), School of Health and Life Sciences, Av. Ipiranga, 6681 Porto Alegre, RS, Brazil; Graduate Program in Cellular and Molecular Biology, PUCRS, Av. Ipiranga, 6681 Porto Alegre, RS, Brazil
| | - Maurício Reis Bogo
- Laboratory of Genomics and Molecular Biology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), School of Health and Life Sciences, Av. Ipiranga, 6681 Porto Alegre, RS, Brazil; Graduate Program in Cellular and Molecular Biology, PUCRS, Av. Ipiranga, 6681 Porto Alegre, RS, Brazil; Graduate Program in Medicine and Health Sciences, PUCRS, Av. Ipiranga, 6690 Porto Alegre, RS, Brazil.
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