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Zhang Y, Duan J, Liu R, Petropoulos E, Feng Y, Xue L, Yang L, He S. Efficient magnetic capture of PE microplastic from water by PEG modified Fe 3O 4 nanoparticles: Performance, kinetics, isotherms and influence factors. J Environ Sci (China) 2025; 147:677-687. [PMID: 39003082 DOI: 10.1016/j.jes.2023.07.025] [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] [Received: 05/29/2023] [Revised: 07/20/2023] [Accepted: 07/20/2023] [Indexed: 07/15/2024]
Abstract
Due to their resistance to degradation, wide distribution, easy diffusion and potential uptake by organisms, microplastics (MPs) pollution has become a major environmental concern. In this study, PEG-modified Fe3O4 magnetic nanoparticles demonstrated superior adsorption efficiency against polyethylene (PE) microspheres compared to other adsorbents (bare Fe3O4, PEI/Fe3O4 and CA/Fe3O4). The maximum adsorption capacity of PE was found to be 2203 mg/g by adsorption isotherm analysis. PEG/Fe3O4 maintained a high adsorption capacity even at low temperature (5°C, 2163 mg/g), while neutral pH was favorable for MP adsorption. The presence of anions (Cl-, SO42-, HCO3-, NO3-) and of humic acids inhibited the adsorption of MPs. It is proposed that the adsorption process was mainly driven by intermolecular hydrogen bonding. Overall, the study demonstrated that PEG/Fe3O4 can potentially be used as an efficient control against MPs, thus improving the quality of the aquatic environment and of our water resources.
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Affiliation(s)
- Yifan Zhang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Jingjing Duan
- Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Ruiqian Liu
- Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Evangelos Petropoulos
- School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK; Stantec UK, Newcastle upon Tyne NE1 3DY, UK
| | - Yanfang Feng
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Lihong Xue
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Linzhang Yang
- Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Shiying He
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
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Xiong Z, Zhang Y, Chen X, Sha A, Xiao W, Luo Y, Han J, Li Q. Soil Microplastic Pollution and Microbial Breeding Techniques for Green Degradation: A Review. Microorganisms 2024; 12:1147. [PMID: 38930528 PMCID: PMC11205638 DOI: 10.3390/microorganisms12061147] [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: 05/14/2024] [Revised: 05/28/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
Microplastics (MPs), found in many places around the world, are thought to be more detrimental than other forms of plastics. At present, physical, chemical, and biological methods are being used to break down MPs. Compared with physical and chemical methods, biodegradation methods have been extensively studied by scholars because of their advantages of greenness and sustainability. There have been numerous reports in recent years summarizing the microorganisms capable of degrading MPs. However, there is a noticeable absence of a systematic summary on the technology for breeding strains that can degrade MPs. This paper summarizes the strain-breeding technology of MP-degrading strains for the first time in a systematic way, which provides a new idea for the breeding of efficient MP-degrading strains. Meanwhile, potential techniques for breeding bacteria that can degrade MPs are proposed, providing a new direction for selecting and breeding MP-degrading bacteria in the future. In addition, this paper reviews the sources and pollution status of soil MPs, discusses the current challenges related to the biodegradation of MPs, and emphasizes the safety of MP biodegradation.
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Affiliation(s)
| | | | | | | | | | | | - Jialiang Han
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, No. 2025, Chengluo Avenue, Longquanyi District, Chengdu 610106, China; (Z.X.); (Y.Z.); (X.C.); (A.S.); (W.X.); (Y.L.)
| | - Qiang Li
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, No. 2025, Chengluo Avenue, Longquanyi District, Chengdu 610106, China; (Z.X.); (Y.Z.); (X.C.); (A.S.); (W.X.); (Y.L.)
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Cao NDT, Vo DHT, Pham MDT, Nguyen VT, Nguyen TB, Le LT, Mukhtar H, Nguyen HV, Visvanathan C, Bui XT. Microplastics contamination in water supply system and treatment processes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171793. [PMID: 38513854 DOI: 10.1016/j.scitotenv.2024.171793] [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: 12/30/2023] [Revised: 03/04/2024] [Accepted: 03/16/2024] [Indexed: 03/23/2024]
Abstract
Due to global demand, millions of tons of plastics have been widely consumed, resulting in the widespread entry of vast amounts of microplastic particles into the environment. The presence of microplastics (MPs) in water supplies, including bottled water, has undergone systematic review, assessing the potential impacts of MPs on humans through exposure assessment. The main challenges associated with current technologies lie in their ability to effectively treat and completely remove MPs from drinking and supply water. While the risks posed by MPs upon entering the human body have not yet been fully revealed, there is a predicted certainty of negative impacts. This review encompasses a range of current technologies, spanning from basic to advanced treatments and varying in scale. However, given the frequent detection of MPs in drinking and bottled water, it becomes imperative to implement comprehensive management strategies to address this issue effectively. Consequently, integrating current technologies with management options such as life-cycle assessment, circular economy principles, and machine learning is crucial to eliminating this pervasive problem.
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Affiliation(s)
- Ngoc-Dan-Thanh Cao
- Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Viet Nam; Vietnam National University Ho Chi Minh (VNU-HCM), Linh Trung ward, Ho Chi Minh City 700000, Viet Nam
| | - Dieu-Hien Thi Vo
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City 700000, Viet Nam
| | - Mai-Duy-Thong Pham
- Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Viet Nam; Vietnam National University Ho Chi Minh (VNU-HCM), Linh Trung ward, Ho Chi Minh City 700000, Viet Nam
| | - Van-Truc Nguyen
- Faculty of Environment, Saigon University, Ho Chi Minh City 700000, Viet Nam
| | - Thanh-Binh Nguyen
- College of Hydrosphere Science, National Kaohsiung University of Science and Technology, No. 142, Haijhuan Road, Nanzih District, Kaohsiung City 81157, Taiwan
| | - Linh-Thy Le
- Department of Environmental Health, Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City (UMP HCMC), 217 Hong Bang street, District 5th, Ho Chi Minh City, Viet Nam
| | - Hussnain Mukhtar
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE, 68583, USA
| | - Huu-Viet Nguyen
- Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Viet Nam; Vietnam National University Ho Chi Minh (VNU-HCM), Linh Trung ward, Ho Chi Minh City 700000, Viet Nam
| | - Chettiyappan Visvanathan
- Department of Civil and Environmental Engineering, Mahidol University, Salaya, Nakhon Pathom, Thailand
| | - Xuan-Thanh Bui
- Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Viet Nam; Vietnam National University Ho Chi Minh (VNU-HCM), Linh Trung ward, Ho Chi Minh City 700000, Viet Nam.
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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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Li K, Xiu X, Hao W. Microplastics in soils: Production, behavior process, impact on soil organisms, and related toxicity mechanisms. CHEMOSPHERE 2024; 350:141060. [PMID: 38159733 DOI: 10.1016/j.chemosphere.2023.141060] [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: 09/16/2023] [Revised: 12/20/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
In recent years, microplastics (MPs) pollution has become a hot ecological issue of global concern and MP pollution in soil is becoming increasingly serious. Studies have shown that MPs have adverse effects on soil biology and ecological functions. Although MPs are evident in soils, identifying their source, abundance, and types is difficult because of the complexity and variability of soil components. In addition, the effects of MPs on soil physicochemical properties (PCP), including direct effects such as direct interaction with soil particles and indirect effects such as the impact on soil organisms, have not been reported in a differentiated manner. Furthermore, at present, the soil ecological effects of MPs are mostly based on biological toxicity reports of their exudate or size effects, whereas the impact of their surface-specific properties (such as environmentally persistent free radicals, surface functional groups, charge, and curvature) on soil ecological functions is not fully understood. Considering this, this paper reviews the latest research findings on the production and behavioral processes of MPs in soil, the effects on soil PCP, the impacts on different soil organisms, and the related toxic mechanisms. The above discussion will enhance further understanding of the behavioral characteristics and risks of MPs in soil ecosystems and provide some theoretical basis for further clarification of the molecular mechanisms of the effects of MPs on soil organisms.
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Affiliation(s)
- Kun Li
- School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, China; Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, China.
| | - Xiaojia Xiu
- Changwang School of Honors, Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Wanqi Hao
- School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, China; Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, China
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Saad D, Ramaremisa G, Ndlovu M, Chauke P, Nikiema J, Chimuka L. Microplastic Abundance and Sources in Surface Water Samples of the Vaal River, South Africa. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2024; 112:23. [PMID: 38180521 PMCID: PMC10769928 DOI: 10.1007/s00128-023-03845-y] [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: 10/27/2023] [Accepted: 12/06/2023] [Indexed: 01/06/2024]
Abstract
Microplastics (MPs) have emerged as a global environmental concern due to their persistent nature. In South Africa, microplastic research has primarily focused on marine systems. However, recent years have seen a shift in focus to studying MPs in South African freshwaters. In this study, MPs with a minimum size of 0.055 mm in surface water of the Vaal River, South Africa, were reported. MPs were 100% prevalent, with a mean numerical abundance of 0.68 ± 0.64 particles/m3. Small-sized MPs of < 1 mm accounted for the largest proportion. MPs were chemically identified as high-density polyethylene, low-density polyethylene, and polypropylene according to their Raman spectra. The prevalence of fragments (41.6%) and fibers (38.5%) over pellets (8.1%) indicates that microplastics are from secondary sources. The prevalence of polyethylene and polypropylene is consistent with microplastics being from secondary sources. These polymers are commonly used in single-use plastics, packing bags, textiles, and containers. These characteristics are of great concern due to their implications on the bioavailability and toxicological impacts of MPs. Consequently, these properties may pose more hazards to aquatic biota inhabiting the Vaal River.
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Affiliation(s)
- Dalia Saad
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa.
- Department of Chemistry, University of Pretoria, Pretoria, South Africa.
| | - Gibbon Ramaremisa
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
| | - Michelle Ndlovu
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
| | - Patricia Chauke
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
| | | | - Luke Chimuka
- School of Chemistry, Molecular Sciences Institute, University of the Witwatersrand, Johannesburg, South Africa
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Sawan R, Doyen P, Viudes F, Amara R, Mahfouz C. Microplastic inputs to the Mediterranean Sea during wet and dry seasons: The case of two Lebanese coastal outlets. MARINE POLLUTION BULLETIN 2024; 198:115781. [PMID: 38000265 DOI: 10.1016/j.marpolbul.2023.115781] [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: 07/18/2023] [Revised: 11/02/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023]
Abstract
Few studies have highlighted the impact of urbanization and meteorological events on the quantity of microplastics (MPs) discharged into the sea through rivers. To evaluate this issue in the Mediterranean Basin, surface water samples were collected from two more or less urbanized Lebanese Rivers: the Nahr Ibrahim (S1) and the Nahr Antelias (S2), during dry and wet periods. A significant higher abundance of 14.02 ± 9.8 particles/L was reported in the most industrialized river S2 compared to 1.73 ± 1.38 particles/L at S1. A correlation was found between particle contamination and the season at each site. Our results indicate that the MP concentrations were highest on the first sampling day of the wet season and tended to decrease progressively with increasing cumulative precipitation. Some polymers were identified only during one season. Meteorological events should be taken more specifically into account in order to define the influx of plastic pollution into coastal waters more accurately.
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Affiliation(s)
- Rosa Sawan
- Univ. Littoral Côte d'Opale, CNRS, IRD, Univ. Lille, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, F-62930 Wimereux, France; National Center for Marine Sciences, CNRS-L, Beirut, Lebanon.
| | - Périne Doyen
- Univ. Littoral Côte d'Opale, UMRt 1158 BioEcoAgro, USC ANSES, INRAe, Univ. Artois, Univ. Lille, Univ. Picardie Jules Verne, Univ. Liège, Junia, 62200 Boulogne-sur-Mer, France
| | - Florence Viudes
- Univ. Littoral Côte d'Opale, CNRS, IRD, Univ. Lille, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, F-62930 Wimereux, France
| | - Rachid Amara
- Univ. Littoral Côte d'Opale, CNRS, IRD, Univ. Lille, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, F-62930 Wimereux, France
| | - Céline Mahfouz
- National Center for Marine Sciences, CNRS-L, Beirut, Lebanon
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Bai Y, Ji B. Advances in responses of microalgal-bacterial symbiosis to emerging pollutants in wastewater. World J Microbiol Biotechnol 2023; 40:40. [PMID: 38071273 DOI: 10.1007/s11274-023-03819-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 10/25/2023] [Indexed: 12/18/2023]
Abstract
Nowadays, emerging pollutants are widely used and exist in wastewater, such as antibiotics, heavy metals, nanoparticle and microplastic. As a green alternative for wastewater treatment, microalgal-bacterial symbiosis has been aware of owning multiple merits of low energy consumption and little greenhouse gas emission. Thus, the responses of microalgal-bacterial symbiosis to emerging pollutants in wastewater treatment have become a hotspot in recent years. In this review paper, the removal performance of microalgal-bacterial symbiosis on organics, nitrogen and phosphorus in wastewater containing emerging pollutants has been summarized. The adaptation mechanisms of microalgal-bacterial symbiosis to emerging pollutants have been analyzed. It is found that antibiotics usually have hormesis effects on microalgal-bacterial symbiosis, and that microalgal-bacterial symbiosis appears to show more capacity to remove tetracycline and sulfamethoxazole, rather than oxytetracycline and enrofloxacin. Generally, microalgal-bacterial symbiosis can adapt to heavy metals at a concentration of less than 1 mg/L, but its capabilities to remove contaminants can be significantly affected at 10 mg/L heavy metals. Further research should focus on the influence of mixed emerging pollutants on microalgal-bacterial symbiosis, and the feasibility of using selected emerging pollutants (e.g., antibiotics) as a carbon source for microalgal-bacterial symbiosis should also be explored. This review is expected to deepen our understandings on emerging pollutants removal from wastewater by microalgal-bacterial symbiosis.
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Affiliation(s)
- Yang Bai
- Department of Water and Wastewater Engineering, School of Urban Construction, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Bin Ji
- Department of Water and Wastewater Engineering, School of Urban Construction, Wuhan University of Science and Technology, Wuhan, 430065, China.
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Dhevagi P, Keerthi Sahasa RG, Poornima R, Ramya A. Unveiling the effect of microplastics on agricultural crops - a review. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:793-815. [PMID: 37941363 DOI: 10.1080/15226514.2023.2275152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Microplastics (MPs), ever since they were identified as a potential and widely distributed persistent contaminant, the number of studies highlighting their impacts on various terrestrial ecosystems have been increasing. Recently, the effect of MPs on the agricultural ecosystem has gained momentum. Hence, the present review examines the impact of microplastics on agricultural crop systems and the mechanism underlying its toxicity. The current review revealed that most of the studies were conducted at a laboratory scale and under controlled conditions. Additionally, it was observed that polystyrene (PS) followed by polyethylene (PE) are the most studied polymer type, while the most studied plants are wheat and maize. Hitherto, literature studies suggest that the microplastics' influence on plant growth can be negative or sometimes neutral; while in some cases it exerts a hormetic effect which depends on other factors determining plant growth. Notably, the main mechanisms through which microplastics influence plant growth are mechanical damage, alteration of soil properties, or by leaching of additives. Overall, with burgeoning research interest in this aspect, the current review has significant implications for the toxicity of MPs on plants and throws light on the need to develop novel guidelines toward the sustainable use of plastics in agricultural sector. However, realistic field-level studies and estimating the MPs concentration at various region are essential to develop remediation approaches. Future studies should also focus on translocation and accumulation of micron sized MPs in edible portion of crops and their effect on food safety.
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Affiliation(s)
- Periyasamy Dhevagi
- Department of Environmental Sciences, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | | | - Ramesh Poornima
- Department of Environmental Sciences, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - Ambikapathi Ramya
- Research Centre for Environmental Changes, Academia Sinica, Taipei, Taiwan
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Jeong IY, Seo JH, Yoo JC. First report on the detection of microplastics from the feathers of black-tailed gulls in South Korea. MARINE POLLUTION BULLETIN 2023; 196:115592. [PMID: 37778245 DOI: 10.1016/j.marpolbul.2023.115592] [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: 07/26/2023] [Revised: 09/21/2023] [Accepted: 09/23/2023] [Indexed: 10/03/2023]
Abstract
In this study, microplastics, including polyethylene (PE), polyethylene terephthalate (PET), polypropylene (PP), and polystyrene (PS), adhering to the feathers of all tracked black-tailed gull individuals were studied. PE was detected in the highest number of feathers (n = 26, 35.6 %), followed by PP (n = 21, 28.8 %), PET and other microplastics (n = 16, 21.9 %), and PS (n = 10, 13.7 %). Furthermore, plastic particles of size 50-100 μm were the most common (n = 33, 45.1 %), followed by ≤50 (n = 21, 28.8 %), 100-150 (n = 11, 15.1 %), ≥200 (n = 7, 9.6 %), and 150-200 μm (n = 1, 1.4 %). Microplastic levels did not differ considerably between the Dokdo and Ulleungdo populations. As black-tailed gulls spend >95 % of their time in coastal areas, coastal pollution caused by oil spills and increasing microplastic levels could lead to physical problems, such as the adherence of oil and microplastics onto feathers.
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Affiliation(s)
- In-Yong Jeong
- Korea Institute of Ornithology, Kyung Hee University, Seoul 02447, Republic of Korea; HAE-IN Ecological Research Institute, 38, Gwangnam-ro, Suyeong-gu, Busan 48304, Republic of Korea; Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin-Hyeong Seo
- HAE-IN Ecological Research Institute, 38, Gwangnam-ro, Suyeong-gu, Busan 48304, Republic of Korea
| | - Jeong-Chil Yoo
- Korea Institute of Ornithology, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Biology, Kyung Hee University, Seoul 02447, Republic of Korea.
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Sau D, Hazra T, Shiuly A. Microplastics in lentic environments: implications for Indian ecosystems. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:114756-114778. [PMID: 37910348 DOI: 10.1007/s11356-023-30604-7] [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: 03/03/2023] [Accepted: 10/18/2023] [Indexed: 11/03/2023]
Abstract
The paper focused on occurrence, characterization, and analytical methods of microplastic (MP) pollution in the lentic environment mainly for the Indian scenario. To understand the flow of MP from plastic waste, a material flow diagram was developed using STAN, assigning the transfer coefficients based on existing scientific literature and primary survey from local recycling facilities and industries. The quantity, morphology, and polymers of MP in the water and sediments of the lentic environment were compared for various states from 2011 to 2022. The reasons for the geographical heterogeneity in microplastics may be the migratory routes of MPs in the ecosystems like commercial uses and wastewater characteristics which possibly discharged in lentic system. Factors like particle density, water surface area, water surface depth, wind speed and direction, and water flow size mainly affect MP concentrations in the lentic water body, and mainly PHI and PLI are keys to MP risk analysis. The surface characteristics of MPs reveal that it absorbs many toxic contaminants including heavy metals. The impacts of MP on ecosystem and human health were also discussed. The impacts of socioeconomic conditions on MP concentrations for different states in India were also added. Proposed methods for plastic waste generation control also included which will help for developing policy in future to prevent MP pollution in lentic environments and also motivate future researchers to establish new standardized methods of MP analysis.
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Affiliation(s)
- Debasis Sau
- Department of Civil Engineering, Jadavpur University, 188, Raja S C Mullick Street, Kolkata, 700032, India
| | - Tumpa Hazra
- Department of Civil Engineering, Jadavpur University, 188, Raja S C Mullick Street, Kolkata, 700032, India.
| | - Amit Shiuly
- Department of Civil Engineering, Jadavpur University, 188, Raja S C Mullick Street, Kolkata, 700032, India
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Pontecorvi P, Ceccarelli S, Cece F, Camero S, Lotti LV, Niccolai E, Nannini G, Gerini G, Anastasiadou E, Scialis ES, Romano E, Venneri MA, Amedei A, Angeloni A, Megiorni F, Marchese C. Assessing the Impact of Polyethylene Nano/Microplastic Exposure on Human Vaginal Keratinocytes. Int J Mol Sci 2023; 24:11379. [PMID: 37511139 PMCID: PMC10380279 DOI: 10.3390/ijms241411379] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/24/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
The global rise of single-use throw-away plastic products has elicited a massive increase in the nano/microplastics (N/MPLs) exposure burden in humans. Recently, it has been demonstrated that disposable period products may release N/MPLs with usage, which represents a potential threat to women's health which has not been scientifically addressed yet. By using polyethyl ene (PE) particles (200 nm to 9 μm), we showed that acute exposure to a high concentration of N/MPLs induced cell toxicity in vaginal keratinocytes after effective cellular uptake, as viability and apoptosis data suggest, along with transmission electron microscopy (TEM) observations. The internalised N/MPLs altered the expression of junctional and adherence proteins and the organisation of the actin cortex, influencing the level of genes involved in oxidative stress signalling pathways and that of miRNAs related to epithelial barrier function. When the exposure to PE N/MPLs was discontinued or became chronic, cells were able to recover from the negative effects on viability and differentiation/proliferation gene expression in a few days. However, in all cases, PE N/MPL exposure prompted a sustained alteration of DNA methyltransferase and DNA demethylase expression, which might impact epigenetic regulation processes, leading to accelerated cell ageing and inflammation, or the occurrence of malignant transformation.
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Affiliation(s)
- Paola Pontecorvi
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Simona Ceccarelli
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Fabrizio Cece
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Simona Camero
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Lavinia Vittoria Lotti
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Elena Niccolai
- Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
| | - Giulia Nannini
- Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
| | - Giulia Gerini
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Eleni Anastasiadou
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, Via di Grottarossa 1035, 00189 Rome, Italy
| | - Elena Sofia Scialis
- Department of Innovative Technologies in Medicine and Dentistry, University "G. D'Annunzio" Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Enrico Romano
- Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy
| | - Mary Anna Venneri
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
| | - Antonio Angeloni
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Francesca Megiorni
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Cinzia Marchese
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
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Quinzi V, Orilisi G, Vitiello F, Notarstefano V, Marzo G, Orsini G. A spectroscopic study on orthodontic aligners: First evidence of secondary microplastic detachment after seven days of artificial saliva exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 866:161356. [PMID: 36603638 DOI: 10.1016/j.scitotenv.2022.161356] [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: 10/25/2022] [Revised: 12/20/2022] [Accepted: 12/30/2022] [Indexed: 06/17/2023]
Abstract
Clear orthodontic aligners have recently seen increasing popularity. The thermoplastic materials present several advantages, even if it is known that all plastic products can be subjected to environmental and mechanical degradation, leading to the release of microplastics (MPs). Their ingestion could cause oxidative stress and inflammatory lesions. This study aims to evaluate the potential detachment of MPs by clear aligners due to mechanical friction simulated with a 7-day protocol in artificial saliva. The study was performed on orthodontic clear aligners from different manufacturers: Alleo (AL); FlexiLigner (FL); F22 Aligner (F22); Invisalign® (INV); Lineo (LIN); Arc Angel (ARC), and Ortobel Aligner (OR). For each group, two aligners were immersed in artificial saliva for 7 days and stirred for 5 h/day, simulating the physiological teeth mechanical friction. After 7 days, the artificial saliva was filtered; then, filters were analyzed by Raman Microspectroscopy (RMS) and Scanning Electron Microscopy (SEM), respectively to chemically identify the polymeric matrix and to measure the number and size of the detected MPs. RMS spectra revealed that AL, FL, LIN, ARC, and OR aligners were composed by polyethylene terephthalate, while F22 and INV ones by polyurethane. SEM analysis showed that the highest number of MPs was found in ARC and the lowest in INV (p < 0.05). As regards MPs' size, no statistically significant difference was found among groups, with most MPs ranging from 5 to 20 μm. Noteworthy, a highly significant correlation (p < 0.0001) was highlighted between the distribution of MPs size and the different typologies of aligners. This in vitro study highlighted for the first time the detachment of MPs from clear aligners due to mechanical friction. This evidence may represent a great concern in the clinical practice since it could impact human general health.
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Affiliation(s)
- Vincenzo Quinzi
- Università degli Studi dell'Aquila, Dipartimento di Medicina Clinica, Sanità Pubblica, Scienze della Vita e dell'Ambiente, Piazza Salvatore Tommasi, 67100 L'Aquila, Italy
| | - Giulia Orilisi
- Università Politecnica delle Marche, Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche, Via Tronto 10, 60126 Ancona, Italy
| | - Flavia Vitiello
- Università Politecnica delle Marche, Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche, Via Tronto 10, 60126 Ancona, Italy
| | - Valentina Notarstefano
- Università Politecnica delle Marche, Dipartimento di Scienze della Vita e dell'Ambiente, Via Brecce Bianche, 60131 Ancona, Italy
| | - Giuseppe Marzo
- Università degli Studi dell'Aquila, Dipartimento di Medicina Clinica, Sanità Pubblica, Scienze della Vita e dell'Ambiente, Piazza Salvatore Tommasi, 67100 L'Aquila, Italy
| | - Giovanna Orsini
- Università Politecnica delle Marche, Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche, Via Tronto 10, 60126 Ancona, Italy.
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14
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Kim N, Kim SY, Lee SW, Lee EH. Adsorption behavior of polyamide microplastics as a vector of the cyanotoxin microcystin-LR in environmental freshwaters. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130683. [PMID: 36610341 DOI: 10.1016/j.jhazmat.2022.130683] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/15/2022] [Accepted: 12/26/2022] [Indexed: 06/17/2023]
Abstract
Microplastics are ubiquitous environmental contaminants, and concern about microplastics functioning as vectors for coexisting environmental contaminants has been increasing. In this study, we evaluated the potential of microplastics as a vector for microcystins (MCs) in an aquatic environment. Six microplastics-polyvinylidene chloride, polystyrene, polyamide-6 (PA-6), polyvinyl chloride, poly(ethylene terephthalate), and polyethylene-were used in the experiments, and the PA-6 microplastics showed strong affinity toward the cyanotoxin microcystin-leucine arginine (MC-LR) with an adsorption efficiency of 89.5 ± 0.1 %. The adsorption of MC-LR onto PA-6 microplastics was well described by the pseudo-first-order kinetics and Langmuir isotherm models, and the adsorption was considered to be driven mainly by polar-polar interactions. The maximum adsorption capacity (qm) of MC-LR onto PA-6 microplastics was estimated to be 85.64-129.05 μg per g of PA-6 microplastics. Coexisting ions of NaCl, MgSO4, KH2PO4, CaCO3, and Na2HPO4 marginally affected the adsorption of MC-LR onto the PA-6 microplastics. However, water-quality parameters of conductivity and total-nitrogen content in environmental freshwaters influenced the adsorption of MC-LR onto PA-6 microplastics. The adsorption capability of PA-6 microplastics was evaluated using extracellular MCs (i.e., MC-LR, MC-YR, MC-RR, and total MCs) released from Microcystis aeruginosa cells during their growth.
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Affiliation(s)
- Namyeon Kim
- Department of Microbiology, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan, Republic of Korea
| | - So Yoon Kim
- Department of Microbiology, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan, Republic of Korea
| | - Seung-Woo Lee
- Department of Fine Chemistry, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul, Republic of Korea
| | - Eun-Hee Lee
- Department of Microbiology, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan, Republic of Korea.
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15
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Yin L, Wu N, Qu R, Zhu F, Ajarem JS, Allam AA, Wang Z, Huo Z. Insight into the photodegradation and universal interactive products of 2,2',4,4'-tetrabromodiphenyl ether on three microplastics. JOURNAL OF HAZARDOUS MATERIALS 2023; 445:130475. [PMID: 36455331 DOI: 10.1016/j.jhazmat.2022.130475] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/17/2022] [Accepted: 11/23/2022] [Indexed: 06/17/2023]
Abstract
The transformation process of contaminants on microplastics (MPs) exposed to sunlight has attracted increasing attention. However, the interactions between them are typically disregarded; therefore, this work investigated the photodegradation of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) on three MPs (polystyrene (PS), polypropylene (PP) and polyethylene (PE)) and the interactions between these two. The inhibition of aged PS on the elimination of BDE-47 was due to light shielding, while aged PP and PE increased the degradation rate. More hydroxyl radicals (HO•) was detected in the PS system, which resulted in the higher degradation rate of BDE-47 on PS. A total of 33 different products were identified and four reaction pathways were presented, and the reaction mechanisms mainly included debromination, hydroxylation, carbon-oxygen-bond breaking and interactive reactions. The Ecological Structure Activity Relationship (ECOSAR) and Toxicity Estimation Software Tool (TEST) programs were used to evaluate the toxicity of reaction products, and the results indicated that even though BDE-47 was the most toxic, the interaction products were still toxic or harmful to aquatic organisms. This study provides significant information on the photodegradation of contaminants on common microplastics and their interaction, which cannot be ignored.
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Affiliation(s)
- Linning Yin
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu, PR China
| | - Nannan Wu
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu, PR China
| | - Ruijuan Qu
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu, PR China
| | - Feng Zhu
- Jiangsu Provincial Center for Disease Control and Prevention, No. 172 Jiangsu Road, Nanjing 210009, PR China
| | - Jamaan S Ajarem
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Ahmed A Allam
- Department of Zoology, Faculty of Science, Beni-suef University, Beni-suef 65211, Egypt
| | - Zunyao Wang
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu, PR China.
| | - Zongli Huo
- Jiangsu Provincial Center for Disease Control and Prevention, No. 172 Jiangsu Road, Nanjing 210009, PR China.
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16
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Lin JY, Liu HT, Zhang J. Recent advances in the application of machine learning methods to improve identification of the microplastics in environment. CHEMOSPHERE 2022; 307:136092. [PMID: 35995191 DOI: 10.1016/j.chemosphere.2022.136092] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/06/2022] [Accepted: 08/15/2022] [Indexed: 06/15/2023]
Abstract
Environmental pollution by microplastics (MPs) is a significant and complex global issue. Existing MPs identification methods have demonstrated significant limitations such as low resolution, long imaging time, and limited particle size analysis. New and improved methods for MPs identification are topical research areas, with machine learning (ML) algorithms proven highly useful in recent years. Critical literature reviews on the latest developments in this area are limited. This study closes this gap and summarizes the progress made over the last 10 years in using ML algorithms for identifying and quantifying MPs. We identified diverse combinations of ML methods and fundamental techniques for MPs identification, such as Fourier-transform infrared spectroscopy, Raman spectroscopy, and near-infrared spectroscopy. The most widely used ML model is the support vector machine, which effectively improves the conventional analysis method for spectral quality defects and improves detection accuracy. Artificial neural network models exhibit improved recognition effects, with shorter detection times and better MPs recognition efficiency. Our review demonstrates the potential of ML in improving the identification and quantification of MPs.
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Affiliation(s)
- Jia-Yu Lin
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hong-Tao Liu
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
| | - Jun Zhang
- Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China.
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17
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CH4 and CO2 Emissions from the Decomposition of Microplastics in the Bottom Sediment—Preliminary Studies. ENVIRONMENTS 2022. [DOI: 10.3390/environments9070091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In recent years, a significant new threat to the environment has emerged, namely contamination with microplastics and their degradation products. The decomposition products of microplastics include, among others, greenhouse gases that are responsible for climate change. The article analyzes the emission of carbon dioxide and methane during the decomposition of various types of plastics in the form of microplastics in the bottom sediments in the presence of water. The research covers plastic materials made of polyvinyl chloride with a high and low content of plasticizers, polypropylene, and rubber. All analyzed microplastics generated the tested greenhouse gases. However, the quantity of gases generated depended on the type of polymer used. The highest concentration of methane, at 25,253 ppm after 180 days of incubation, was characterized by high plasticizer polyvinyl chloride, i.e., di (2-ethylhexyl) phthalate. In the case of carbon dioxide emissions, the values were comparable. The maximum value was obtained at 65,662 ppm for polypropylene microplastics. The influence of particle size on the amount of the emissions of these gases was also investigated. During the decomposition of microplastics in the bottom sediments in the presence of water, it was observed that the smaller the microplastic particles are, the greater the production of methane and carbon dioxide.
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18
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Shi C, Zhang S, Zhao J, Ma J, Wu H, Sun H, Cheng S. Experimental study on removal of microplastics from aqueous solution by magnetic force effect on the magnetic sepiolite. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120564] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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19
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De-la-Torre GE, Pizarro-Ortega CI, Dioses-Salinas DC, Castro Loayza J, Smith Sanchez J, Meza-Chuquizuta C, Espinoza-Morriberón D, Rakib MRJ, Ben-Haddad M, Dobaradaran S. Are we underestimating floating microplastic pollution? A quantitative analysis of two sampling methodologies. MARINE POLLUTION BULLETIN 2022; 178:113592. [PMID: 35349867 DOI: 10.1016/j.marpolbul.2022.113592] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/09/2022] [Accepted: 03/19/2022] [Indexed: 06/14/2023]
Abstract
Microplastics (MPs) are widespread in the water column of several aquatic ecosystems. Thus, the sampling methodology is considered as a basic factor influencing MPs abundance. In this baseline, a total of 67 investigations were chosen to conduct a quantitative analysis between two sampling methods: Trawl and bulk. The aim is to report a general overview of the MPs abundance and characteristic differences based on the sampling procedures and provide methodological recommendations. MPs abundance reported by bulk studies is 3500 higher than trawl studies. Furthermore, the morphological types and polymers abundances were statistically affected by the type of sampling tool. Conversely, MPs size ranges were significantly different between sampling procedures, suggesting that trawling underestimates the smaller MPs fractions. The analysis confirms that the sampling methods should be selected based on the research objectives. In this sense, it is recommended to combine both types of sampling procedures to obtain comprehensive data.
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Affiliation(s)
| | | | | | | | | | - Carolina Meza-Chuquizuta
- Unidad de Investigación de Ecosistemas Marinos-Grupo Aves Marinas, Universidad Científica del Sur, Lima, Peru
| | - Dante Espinoza-Morriberón
- Facultad de Ingeniería Ambiental y de Recursos Naturales, Universidad Nacional del Callao (UNAC), Av. Juan Pablo II 306, Bellavista 07011, Provincia Constitucional del Callao, Peru; Facultad de Ingeniería, Universidad Tecnológica del Perú (UTP), Jirón Hernán Velarde 260, Cercado de Lima, 15046 Lima, Peru
| | - Md Refat Jahan Rakib
- Department of Fisheries and Marine Science, Faculty of Science, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Mohamed Ben-Haddad
- Laboratory of Aquatic Systems, Marine and Continental Environments (AQUAMAR), Faculty of Sciences, Ibn Zohr University, Morocco
| | - Sina Dobaradaran
- Systems Environmental Health and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran; Department of Environmental Health Engineering, Faculty of Health, Bushehr University of Medical Sciences, Bushehr, Iran; Instrumental Analytical Chemistry and Centre for Water and Environmental Research (ZWU), Faculty of Chemistry, University of Duisburg-Essen, Universitätsstr. 5, Essen, Germany
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