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Gaß H, Sarcletti M, Müller L, Hübner S, Yokosawa T, Park H, Przybilla T, Spiecker E, Halik M. A Sustainable Method for Removal of the Full Range of Liquid and Solid Hydrocarbons from Water Including Up- and Recycling. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302495. [PMID: 37807816 PMCID: PMC10646276 DOI: 10.1002/advs.202302495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/29/2023] [Indexed: 10/10/2023]
Abstract
Beyond their CO2 emittance when burned as fuels, hydrocarbons (HCs) serve as omnipresent raw materials and commodities. No matter if as liquid oil spills or the endless amounts of plastic roaming the oceans, HCs behave as persistent pollutants with water as main carrier to distribute. Even if their general chemical structure [-(CH2 )n -] is quite simple, the endless range of n leads to contaminations of different appearances and properties. A water remediation method based on superparamagnetic iron oxide nanoparticles (SPIONs) modified with self-assembled monolayers of alkyl phosphonic acid derivatives is presented. These molecules enable the SPIONs to non-covalently bind HCs, independently from the molecular weight, size and morphology. The attractive interaction is mainly based on hydrophobic and Coulomb interaction, which allows recycling of the SPIONs. The superparamagnetic core allows a simple magnetic collection and separation from the water phase which makes it a promising addition to wastewater treatment. Agglomerates of collected plastic "waste" even exhibit superior adsorption properties for crude oil, another hydrocarbon waste which gives these collected wastes a second life. This upcycling approach combined with presented recycling methods enables a complete recycling loop.
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Affiliation(s)
- Henrik Gaß
- Organic Materials & DevicesInstitute of Polymer MaterialsFriedrich‐Alexander‐University Erlangen Nürnberg91058ErlangenGermany
| | - Marco Sarcletti
- Organic Materials & DevicesInstitute of Polymer MaterialsFriedrich‐Alexander‐University Erlangen Nürnberg91058ErlangenGermany
| | - Lukas Müller
- Organic Materials & DevicesInstitute of Polymer MaterialsFriedrich‐Alexander‐University Erlangen Nürnberg91058ErlangenGermany
| | - Sabine Hübner
- Institute of Micro‐ and Nanostructure Research (IMN) & Center for Nanoanalysis and Electron Microscopy (CENEM)Friedrich‐Alexander‐University Erlangen‐Nürnberg91058ErlangenGermany
| | - Tadahiro Yokosawa
- Institute of Micro‐ and Nanostructure Research (IMN) & Center for Nanoanalysis and Electron Microscopy (CENEM)Friedrich‐Alexander‐University Erlangen‐Nürnberg91058ErlangenGermany
| | - Hyoungwon Park
- Organic Materials & DevicesInstitute of Polymer MaterialsFriedrich‐Alexander‐University Erlangen Nürnberg91058ErlangenGermany
| | - Thomas Przybilla
- Institute of Micro‐ and Nanostructure Research (IMN) & Center for Nanoanalysis and Electron Microscopy (CENEM)Friedrich‐Alexander‐University Erlangen‐Nürnberg91058ErlangenGermany
| | - Erdmann Spiecker
- Institute of Micro‐ and Nanostructure Research (IMN) & Center for Nanoanalysis and Electron Microscopy (CENEM)Friedrich‐Alexander‐University Erlangen‐Nürnberg91058ErlangenGermany
| | - Marcus Halik
- Organic Materials & DevicesInstitute of Polymer MaterialsFriedrich‐Alexander‐University Erlangen Nürnberg91058ErlangenGermany
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102
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Thoman TX, Kukulka T, Cohen JH, Boettcher H. Zooplankton-microplastic exposure in Delaware coastal waters: Atlantic blue crab (Callinectes sapidus) larvae case study. MARINE POLLUTION BULLETIN 2023; 196:115541. [PMID: 37804673 DOI: 10.1016/j.marpolbul.2023.115541] [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: 03/31/2023] [Revised: 09/07/2023] [Accepted: 09/10/2023] [Indexed: 10/09/2023]
Abstract
High microplastic concentrations in the Delaware Bay have prompted concern regarding harm to local species. We consider the extent to which the zooplankton is exposed to bay-derived microplastics, focusing on Atlantic blue crabs (Callinectes sapidus) during offshore larval migration. We simulate regional flow fields for a spawning season in the Delaware coastal system to advect passive Lagrangian microplastic and zooplankton tracers. Microplastic exposure levels are estimated from tracer distributions. Field sampling of zooplankton and microplastic concentrations for the Delaware Bay mouth and the adjacent shelf in August 2020 is utilized to appraise model performance. Three mechanisms elevating microplastics exposure are identified: zooplankton transport into microplastic-laden tidelines, displacement of microplastics into the buoyant outflow current, and aggregation in offshore plume fronts. Organization via the above mechanisms substantially enhance microplastic exposures over zooplankton migrations (by an average factor of at least 3.8).
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Affiliation(s)
- Todd X Thoman
- School of Marine Science and Policy, University of Delaware, 272 The Green, Newark 19716, DE, USA.
| | - Tobias Kukulka
- School of Marine Science and Policy, University of Delaware, 272 The Green, Newark 19716, DE, USA
| | - Jonathan H Cohen
- School of Marine Science and Policy, University of Delaware, 700 Pilottown Rd, Lewes 19958, DE, USA
| | - Hayden Boettcher
- School of Marine Science and Policy, University of Delaware, 700 Pilottown Rd, Lewes 19958, DE, USA
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103
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D'Avignon G, Hsu SSH, Gregory-Eaves I, Ricciardi A. Feeding behavior and species interactions increase the bioavailability of microplastics to benthic food webs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 896:165261. [PMID: 37400036 DOI: 10.1016/j.scitotenv.2023.165261] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 06/28/2023] [Accepted: 06/30/2023] [Indexed: 07/05/2023]
Abstract
Plastics are pervasive in aquatic ecosystems, in which they circulate in the water column, accumulate in sediments, and are taken up, retained, and exchanged with their biotic environment via trophic and non-trophic activities. Identifying and comparing organismal interactions are a necessary step to improve monitoring and risk assessments of microplastics. We use a community module to test how abiotic and biotic interactions determine the fate of microplastics in a benthic food web. Using single-exposure trials on a trio of interacting freshwater animals (the quagga mussel Dreissena bugensis, a filter feeder; the gammarid amphipod Gammarus fasciatus, a deposit feeder; and the round goby Neogobius melanostomus, a benthivorous fish), we quantify the (1) uptake of microplastics from environmental routes (water, sediment) under six exposure concentrations, (2) the depuration capacities over 72 h, and (3) the transfer of microbeads via trophic (predator-prey) and behavioral interactions (commensalism, intraspecific facilitation). Under 24 h exposures, each animal of our module acquired beads from both environmental routes. The body burden of filter-feeders was higher when they were exposed to particles in suspension, whereas detritivores had similar uptake from either route. Mussels transferred microbeads to amphipods, and both invertebrates transferred beads to their mutual predator, the round goby. Round gobies generally displayed low contamination from all routes (suspension, sedimented, trophic transfer) with a higher microbead load from preying on contaminated mussels. Higher mussel abundance (10-15 mussel per aquaria, i.e., ~200-300 mussels·m2) did not increase individual mussel burdens during exposure, and neither did it increase the transfer of beads from mussels to gammarids via biodeposition. Our community module approach revealed that the feeding behavior of animals allows microplastic uptake from multiple environmental routes, whereas trophic and non-trophic species interactions increased their burden within their food web community.
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Affiliation(s)
- Geneviève D'Avignon
- Department of Biology, McGill University, 1205 Dr. Penfield Ave., Montréal, Québec H3A 1B1, Canada; Redpath Museum, McGill University, 859 Sherbrooke Street West, Montréal, Québec H3A 0C4, Canada; Group for Interuniversity Research in Limnology (GRIL), Montréal, Québec, Canada.
| | - Sophia S H Hsu
- Department of Biology, McGill University, 1205 Dr. Penfield Ave., Montréal, Québec H3A 1B1, Canada; Redpath Museum, McGill University, 859 Sherbrooke Street West, Montréal, Québec H3A 0C4, Canada.
| | - Irene Gregory-Eaves
- Department of Biology, McGill University, 1205 Dr. Penfield Ave., Montréal, Québec H3A 1B1, Canada; Group for Interuniversity Research in Limnology (GRIL), Montréal, Québec, Canada.
| | - Anthony Ricciardi
- Redpath Museum, McGill University, 859 Sherbrooke Street West, Montréal, Québec H3A 0C4, Canada; Bieler School of Environment, McGill University, 3534 University, Montréal, Québec H3A 2A7, Canada; Group for Interuniversity Research in Limnology (GRIL), Montréal, Québec, Canada.
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104
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Yang L, Tang BZ, Wang WX. Near-Infrared-II In Vivo Visualization and Quantitative Tracking of Micro/Nanoplastics in Fish. ACS NANO 2023; 17:19410-19420. [PMID: 37782069 DOI: 10.1021/acsnano.3c07571] [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: 10/03/2023]
Abstract
As emerging contaminants, micro/nanoplastics (MNPs) are widely present in aquatic environments and are often ingested by aquatic organisms. However, the in vivo trafficking and fate of MNPs remain largely unknown. Here, we developed near-infrared (NIR) aggregated-induced emission (AIE) fluorophore-labeled microplastics (2 μm) and nanoplastics (100 nm) as models of MNPs. This model was based on the NIR-AIE technique with strong emission at the second near-infrared (NIR-IIII) window, which overcomes the interference of autofluorescence and observation artifacts in the detection of commercial fluorescent-labeled particles. Due to its deep tissue penetration and noninvasiveness, the dynamic process of accumulation and transport of MNPs in individuals can be tracked with NIR imaging. We then directly visualized and quantified the uptake and depuration processes of MPs and NPs in zebrafish. The results showed that the MPs and NPs were mainly accumulated in the fish gut, and the distribution was heterogeneous. MPs tended to accumulate more in the fore and mid areas of the gut compared with NPs. Besides, both MPs and NPs could accumulate in large quantities locally in the gut and might cause intestinal obstruction. MNPs accumulated slowly during the initial exposure followed by rapid and sustained accumulation in gut. Based on these kinetic accumulation and depuration, we developed a refined toxicokinetic (TK) model to describe the dynamic changes in the uptake and depuration of MNPs. Overall, this study proposed a MNP model based on the NIR-AIE technique, which provided a reliable tracer technology for the visualization, tracking and quantification of MNPs in vivo.
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Affiliation(s)
- Lanpeng Yang
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
| | - Ben Zhong Tang
- School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Kowloon, Hong Kong 999077, China
| | - Wen-Xiong Wang
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
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105
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Sanvicente-Añorve L, Alatorre-Mendieta M, Sánchez-Campos M, Ponce-Vélez G, Lemus-Santana E. Simulation of encounter rates between zooplankton organisms and microplastics in a tropical estuary. PLoS One 2023; 18:e0292462. [PMID: 37796862 PMCID: PMC10553305 DOI: 10.1371/journal.pone.0292462] [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: 05/27/2023] [Accepted: 09/21/2023] [Indexed: 10/07/2023] Open
Abstract
Coastal estuarine systems may hold a large number of microplastic particles, which predators often mistake for prey. This study estimated the encounter rates between microplastics (alleged prey) and zooplankton having different feeding modes, trophic positions, swimming velocities, and perception distances, under calm and turbulent conditions, and during two seasons. Surface water samples were taken at 10/12 sites of the Sontecomapan lagoon, southern Gulf of Mexico, to quantify microplastic concentration. Zooplankton organisms considered were copepods, chaetognaths, and luciferids, common organisms in the lagoon. In June, at surface waters and during calm conditions, mean encounter rates were 1.5, 2450, and 980 particles per individual per hour, that is, for copepods, chaetognaths, and luciferids, respectively. When the wind blows (0.8 m s-1) encounter rates were 1.2, 1.4, and 2.6 times higher than in calm conditions. In October, mean encounter rates under calm conditions were 0.2, 355, and 142 particles per individual per hour, for copepods, chaetognaths, and luciferids; these values increase 1.3, 1.6, and 3.3 times when the wind blows (1.12 m s-1). The major number of encounters in June was due to a higher concentration of microplastics, despite the lower turbulent velocity. Regarding their trophic position, we propose that secondary consumers (chaetognaths and luciferids) are more affected because they could eat microplastics via contaminated prey or accidentally ingest them owing to confusion in the motion signals, especially under turbulent conditions. Another consequence of encounters could be the entanglement of microplastics in the body of the animals, especially in those with complex morphology, such as crustaceans. Encounters between zooplankton and microplastics do not always result in ingestion or entanglement, but the encounters are the first step in the case of occurrence.
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Affiliation(s)
- Laura Sanvicente-Añorve
- Laboratorio de Ecología de Sistemas Pelágicos, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Miguel Alatorre-Mendieta
- Laboratorio de Oceanografía Física, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Mitzi Sánchez-Campos
- Posgrado en Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Guadalupe Ponce-Vélez
- Laboratorio de Contaminación Marina, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Elia Lemus-Santana
- Posgrado en Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mexico City, Mexico
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106
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Kang MG, Kwak MJ, Kim Y. Polystyrene microplastics biodegradation by gut bacterial Enterobacter hormaechei from mealworms under anaerobic conditions: Anaerobic oxidation and depolymerization. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132045. [PMID: 37480606 DOI: 10.1016/j.jhazmat.2023.132045] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 07/24/2023]
Abstract
Synthetic plastic is used throughout daily life and industry, threatening organisms with microplastic pollution. Polystyrene is a major plastic polymer and also widely found sources of plastic wastes and microplastics. Here, we report that Enterobacter hormaechei LG3 (CP118279.1), a facultative anaerobic bacterial strain isolated from the gut of Tenebrio molitor larvae (mealworms) can oxidize and depolymerize polystyrene under anaerobic conditions. LG3 performed biodegradation while forming a biofilm on the plastic surface. PS biodegradation was characterized by analyses of surface oxidation, change in morphology and molecular weights, and production of biodegraded derivative. The biodegradation performance by LG3 was compared with PS biodegradation by Bacillus amyloliquefaciens SCGB1 under both anaerobic and aerobic conditions. In addition, through nanopore sequencing technology, we identified degradative enzymes, including thiol peroxidase (tpx), alkyl hydroperoxide reductase C (ahpC) and bacterioferritin comigratory protein (bcp). Along with the upregulation of degradative enzymes for biodegradation, changes in lipid A and biofilm-associated proteins were also observed after the cells were incubated with polystyrene microplastics. Our results provide evidence for anaerobic biodegradation by polystyrene-degrading bacteria and show alterations in gene expression patterns after polystyrene microplastics treatment in the opportunistic pathogen Enterobacter hormaechei.
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Affiliation(s)
- Min-Geun Kang
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Republic of Korea
| | - Min-Jin Kwak
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Republic of Korea
| | - Younghoon Kim
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Republic of Korea.
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107
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Jeon S, Jeon JH, Jeong J, Kim G, Lee S, Kim S, Maruthupandy M, Lee K, Yang SI, Cho WS. Size- and oxidative potential-dependent toxicity of environmentally relevant expanded polystyrene styrofoam microplastics to macrophages. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132295. [PMID: 37597397 DOI: 10.1016/j.jhazmat.2023.132295] [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: 05/22/2023] [Revised: 07/31/2023] [Accepted: 08/12/2023] [Indexed: 08/21/2023]
Abstract
Expanded polystyrene (EPS), also known as Styrofoam, is a widespread global pollutant, and its lightweight floating property increases its chances of weathering by abrasion and ultraviolet (UV) irradiation, resulting in microplastics. Herein, we investigated the effects of particle size ((1 µm versus 10 µm), UV irradiation (pristine versus UV oxidation), and origin (secondary versus primary) on the toxicity of Styrofoam microplastics. The target cells used in this study were selected based on human exposure-relevant cell lines: differentiated THP-1 cells for macrophages, Caco-2 for enterocytes, HepG2 for hepatocytes, and A549 for alveolar epithelial cells. In the differentiated THP-1 cells, the levels of cytotoxicity and inflammatory cytokines showed size- (1 µm > 10 µm), UV oxidation- (UV > pristine), and origin- (secondary > primary) dependency. Furthermore, the intrinsic oxidative potential of the test particles was positively correlated with cellular oxidative levels and toxicity endpoints, suggesting that the toxicity of Styrofoam microplastics also follows the oxidative stress paradigm. Additionally, all microplastics induced the activation of the pyrin domain-containing protein 3 (NLRP3) inflammasome and the release of interleukin-1β (IL-1β). These results imply that weathering process can aggravate the toxicity of Styrofoam microplastics due to the increased oxidative potential and decreased particle size.
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Affiliation(s)
- Soyeon Jeon
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, Republic of Korea
| | - Jun Hui Jeon
- Department of Applied Chemistry, Kyung Hee University, Yongin-si 17104, Republic of Korea
| | - Jiyoung Jeong
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, Republic of Korea
| | - Gyuri Kim
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, Republic of Korea
| | - Sinuk Lee
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, Republic of Korea
| | - Songyeon Kim
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, Republic of Korea
| | - Muthuchamy Maruthupandy
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, 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
| | - Sung Ik Yang
- Department of Applied Chemistry, Kyung Hee University, Yongin-si 17104, Republic of Korea.
| | - Wan-Seob Cho
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, Republic of Korea.
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108
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Liao H, Gao D, Kong C, Junaid M, Li Y, Chen X, Zheng Q, Chen G, Wang J. Trophic transfer of nanoplastics and di(2-ethylhexyl) phthalate in a freshwater food chain (Chlorella Pyrenoidosa-Daphnia magna-Micropterus salmoides) induced disturbance of lipid metabolism in fish. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132294. [PMID: 37591169 DOI: 10.1016/j.jhazmat.2023.132294] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/31/2023] [Accepted: 08/12/2023] [Indexed: 08/19/2023]
Abstract
Nanoplastics and di(2-ethylhexyl) phthalate (DEHP) are ubiquitous emerging contaminants that are transferred among organisms through food chain in the ecosystem. This study evaluated the trophic transfer of polystyrene nanoplastics (PSNPs) and DEHP in a food chain including Chlorella pyrenoidosa, Daphnia magna and Micropterus salmoides (algae-crustacean-fish) and lipid metabolism at a higher trophic level in fish. Our results showed that the PSNPs and DEHP accumulated in C. pyrenoidosa or D. magna were transferred to the M. salmoides, of which the DEHP were not biomagnified, while the PSNPs were trophically amplified by the food chain. It is suggested that more PSNPs might be accumulated by higher level consumers in a longer food chain. Additionally, the trophic transfer of PSNPs and DEHP resulted in antioxidant response and histopathological damage in M. salmoides. Moreover, the lipid biochemical parameters and lipid metabolism related genes (fasn, hsl, cpt1a, atgl, apob, fabp1, lpl, cetp) of M. salmoides were significantly affected, which indicated disturbance of lipid metabolism. This study offers great insight into the transfer of contaminants by trophic transfer and their negative effects on organisms at higher trophic levels, which cause human exposure to MNPs and organic contaminants in the ecosystem.
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Affiliation(s)
- Hongping Liao
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Dandan Gao
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Chunmiao Kong
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Muhammad Junaid
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Ye Li
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Xikun Chen
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Qingzhi Zheng
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Guanglong Chen
- Institute of Eco-Environmental Research, Guangxi Academy of Sciences, Nanning 530007, China
| | - Jun Wang
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China; Institute of Eco-Environmental Research, Guangxi Academy of Sciences, Nanning 530007, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 528478, China.
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109
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Nuamah F, Tulashie SK, Debrah JS, Pèlèbè ROE. Microplastics in the Gulf of Guinea: An analysis of concentrations and distribution in sediments, gills, and guts of fish collected off the coast of Ghana. ENVIRONMENTAL RESEARCH 2023; 234:116567. [PMID: 37422113 DOI: 10.1016/j.envres.2023.116567] [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: 04/28/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/10/2023]
Abstract
Microplastics (MPs, <5 mm) accumulate in marine environments, impacting marine organism health. This study examined MPs in sediment and two pelagic fish species (S. maderensis and I. africana) in Ghana's Gulf of Guinea. The study found an average concentration of 0.144 ± 0.061 items/g (dry weight) in the sediment, with pellets and transparent particles being the most common types. The concentration of MPs in contaminated fish ranged from 8.35 to 20.95, with fibers and pellets being the most abundant plastic-type in fish. Individual organ concentrations of MPs varied. In fish gills, concentrations ranged from 1 to 26 MPs/individual for I. africana and 1-22 MPs/individual for S. maderensis. Concentrations in the fish guts ranged from 1 to 29 MPs/individual for I. africana and 2-24 MPs/individual for S. maderensis. Results from the study highlight the importance of both gills and guts as important organs in terms of microplastic contamination and emphasize the significance of monitoring microplastic contamination in fish gills and guts. This offers valuable insight into the impact of MPs on the marine environment and human health.
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Affiliation(s)
- Francis Nuamah
- Centre for Coastal Management (Africa Centre of Excellence in Coastal Resilience, ACECoR), University of Cape Coast, Cape Coast, Ghana; University of Cape Coast, College of Agriculture and Natural Sciences, School of Physical Sciences, Chemistry Department, Industrial Chemistry Unit, Cape Coast, Ghana
| | - Samuel Kofi Tulashie
- Centre for Coastal Management (Africa Centre of Excellence in Coastal Resilience, ACECoR), University of Cape Coast, Cape Coast, Ghana; University of Cape Coast, College of Agriculture and Natural Sciences, School of Physical Sciences, Chemistry Department, Industrial Chemistry Unit, Cape Coast, Ghana.
| | - Joseph Sefah Debrah
- University of Cape Coast, College of Agriculture and Natural Sciences, School of Biological Sciences, Department of Fisheries and Aquatic Sciences, Ghana
| | - Rodrigue Orobiyi Edéya Pèlèbè
- Centre for Coastal Management (Africa Centre of Excellence in Coastal Resilience, ACECoR), University of Cape Coast, Cape Coast, Ghana; Research Laboratory in Aquaculture and Aquatic Ecotoxicology (LaRAEAq), Faculty of Agronomy, University of Parakou, Parakou, Benin
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110
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Ogonowski M, Wagner M, Rogell B, Haave M, Lusher A. Microplastics could be marginally more hazardous than natural suspended solids - A meta-analysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 264:115406. [PMID: 37639826 DOI: 10.1016/j.ecoenv.2023.115406] [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: 03/13/2023] [Revised: 08/11/2023] [Accepted: 08/23/2023] [Indexed: 08/31/2023]
Abstract
Microplastics (MP) are perceived as a threat to aquatic ecosystems but bear many similarities to suspended sediments which are often considered less harmful. It is, therefore pertinent to determine if and to what extent MP are different from other particles occurring in aquatic ecosystems in terms of their adverse effects. We applied meta-regressions to toxicity data extracted from the literature and harmonized the data to construct Species Sensitivity Distributions (SSDs) for both types of particles. The results were largely inconclusive due to high uncertainty but the central tendencies of our estimates still indicate that MP could be marginally more hazardous compared to suspended sediments. In part, the high uncertainty stems from the general lack of comparable experimental studies and dose-dependent point estimates. We therefore argue that until more comparable data is presented, risk assessors should act precautionary and treat MP in the 1-1000 µm size range as marginally more hazardous to aquatic organisms capable of ingesting such particles.
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Affiliation(s)
- Martin Ogonowski
- Department of Aquatic Resources, Institute of Freshwater Research, Swedish University of Agricultural Sciences, Stångholmsvägen 2, SE-17893 Drottningholm, Sweden.
| | - Martin Wagner
- Department of Biology, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, NO-7491 Trondheim, Norway
| | - Björn Rogell
- Department of Aquatic Resources, Institute of Freshwater Research, Swedish University of Agricultural Sciences, Stångholmsvägen 2, SE-17893 Drottningholm, Sweden
| | - Marte Haave
- NORCE, Norwegian Research Centre AS, Climate & Environment, Nygårdsporten 112, NO-5008 Bergen, Norway; Department of Chemistry, University of Bergen, NO-5020 Bergen, Norway
| | - Amy Lusher
- Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, NO-0349 Oslo, Norway; Department of Biological Sciences, University of Bergen, NO-5020 Bergen, Norway
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111
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Cordova MR, Ulumuddin YI, Lubis AA, Kaisupy MT, Wibowo SPA, Subandi R, Yogaswara D, Purbonegoro T, Renyaan J, Nurdiansah D, Sugiharto U, Shintianata D, Meiliastri SS, Andini FP, Suratno, Ilman M, Anggoro AW, Basir, Cragg SM. Microplastics leaving a trace in mangrove sediments ever since they were first manufactured: A study from Indonesia mangroves. MARINE POLLUTION BULLETIN 2023; 195:115517. [PMID: 37690405 DOI: 10.1016/j.marpolbul.2023.115517] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/02/2023] [Accepted: 09/04/2023] [Indexed: 09/12/2023]
Abstract
Mangrove environments have been well recognized as marine litter traps. However, it is unclear whether mangrove sediments sink microplastics more effectively than other marine sediments due to active sedimentation. Furthermore, microplastics archives in mangrove sediments may provide quantitative data on the impact of human activities on environmental pollution throughout history. Microplastic abundance varied markedly between high and low anthropogenic activities. Both mangrove and adjacent mudflats sediments act as microplastic sequesters, despite having similar microplastic abundances and depth profiles. The decreasing trend of microplastics was observed until the sediment layers dated to the first-time plastic was manufactured in Indonesia, in the early 1950s, but microplastics remained present beneath those layers, indicating the downward movements. This discovery highlighted the significance of mangrove sediments as microplastic sinks. More research is needed to understand the mechanisms of microplastic deposition in sediments, as well as their fate and potential impact on mangrove sediment dwellers.
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Affiliation(s)
- Muhammad Reza Cordova
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia.
| | - Yaya Ihya Ulumuddin
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia
| | - Ali Arman Lubis
- Research Center for Radiation Process Technology, The Indonesian National Research and Innovation Agency, Jl. Lebak Bulus Raya No.49, Jakarta 12630, Indonesia
| | - Muhammad Taufik Kaisupy
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia
| | - Singgih Prasetyo Adi Wibowo
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia
| | - Riyana Subandi
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia
| | - Deny Yogaswara
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia
| | - Triyoni Purbonegoro
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia
| | - Jeverson Renyaan
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia
| | - Doni Nurdiansah
- Research Center for Oceanography, The Indonesian National Research and Innovation Agency, BRIN Kawasan Ancol Jl Pasir Putih 1, Jakarta 14430, Indonesia
| | - Untung Sugiharto
- Research Center for Radiation Process Technology, The Indonesian National Research and Innovation Agency, Jl. Lebak Bulus Raya No.49, Jakarta 12630, Indonesia
| | - Dienda Shintianata
- Research Center for Radiation Process Technology, The Indonesian National Research and Innovation Agency, Jl. Lebak Bulus Raya No.49, Jakarta 12630, Indonesia
| | - Sonia Saraswati Meiliastri
- Research Center for Radiation Process Technology, The Indonesian National Research and Innovation Agency, Jl. Lebak Bulus Raya No.49, Jakarta 12630, Indonesia
| | - Faza Putri Andini
- Research Center for Radiation Process Technology, The Indonesian National Research and Innovation Agency, Jl. Lebak Bulus Raya No.49, Jakarta 12630, Indonesia
| | - Suratno
- Research Center for Food Technology and Processing, The Indonesian National Research and Innovation Agency, Gading IV Playen Gunung Kidul, Yogyakarta 55861, Indonesia
| | - Muhammad Ilman
- Yayasan Konservasi Alam Nusantara, Jl. Iskandarsyah Raya No.66C, Jakarta 12160, Indonesia
| | - Aji Wahyu Anggoro
- Yayasan Konservasi Alam Nusantara, Jl. Iskandarsyah Raya No.66C, Jakarta 12160, Indonesia
| | - Basir
- Yayasan Konservasi Alam Nusantara, Jl. Iskandarsyah Raya No.66C, Jakarta 12160, Indonesia
| | - Simon M Cragg
- Institute of Marine Sciences, University of Portsmouth, Portsmouth, United Kingdom; Centre for Blue Governance, University of Portsmouth, Portsmouth, United Kingdom
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112
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Sari Erkan H, Takatas B, Ozturk A, Gündogdu S, Aydın F, Koker L, Ozdemir OK, Albay M, Onkal Engin G. Spatio-temporal distribution of microplastic pollution in surface sediments along the coastal areas of Istanbul, Turkey. MARINE POLLUTION BULLETIN 2023; 195:115461. [PMID: 37659384 DOI: 10.1016/j.marpolbul.2023.115461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 08/22/2023] [Accepted: 08/25/2023] [Indexed: 09/04/2023]
Abstract
Microplastics (MPs) have become prevalent in various environmental compartments, including air, water, and soil, attracting attention as significant pollutant parameters. This study investigated the prevalence of MP pollution in surface sediments along Istanbul's Marmara Sea, encompassing the megacity and the Bosphorus. A comprehensive sampling approach was employed, covering 43 stations across four seasons and depths ranging from 5 to 70 m. The objective was to assess the impact of terrestrial, social, and industrial activities on MPs. The average concentrations varied per season, with fall, winter, spring, and summer values recorded as 2000 ± 4100, 1600 ± 3900, 4300 ± 12,000, and 9500 ± 20,300 particles/kg-DW. The study identified river stations in the Golden Horn and sea discharge locations as hotspots for high concentrations. Notably, the dominant shape shifted from fibers in fall, winter, and spring to fragments during summer, coinciding with mucilage occurrences. The study identified 11 different polymers, with polyethylene (44 %) and polypropylene (31 %) being the most common.
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Affiliation(s)
- Hanife Sari Erkan
- Yildiz Technical University, Civil Engineering Faculty, Environmental Engineering Department, Davutpasa, Esenler, 34220 Istanbul, Turkiye.
| | - Betul Takatas
- Yildiz Technical University, Civil Engineering Faculty, Environmental Engineering Department, Davutpasa, Esenler, 34220 Istanbul, Turkiye
| | - Alihan Ozturk
- Yildiz Technical University, Control and Automation Engineering Department, 34349 Istanbul, Turkiye
| | - Sedat Gündogdu
- Cukurova University, Faculty of Fisheries, Department of Basic Sciences, 01330 Adana, Turkiye
| | - Fatih Aydın
- Istanbul University, Faculty of Aquatic Sciences, Department of Freshwater Resources and Management, Istanbul, Turkiye
| | - Latife Koker
- Istanbul University, Faculty of Aquatic Sciences, Department of Freshwater Resources and Management, Istanbul, Turkiye
| | - Oguz Kaan Ozdemir
- Yıldız Technical University, Department of Metallurgical and Materials Engineering, 34220 İstanbul, Turkiye
| | - Meric Albay
- Istanbul University, Faculty of Aquatic Sciences, Department of Freshwater Resources and Management, Istanbul, Turkiye
| | - Guleda Onkal Engin
- Yildiz Technical University, Civil Engineering Faculty, Environmental Engineering Department, Davutpasa, Esenler, 34220 Istanbul, Turkiye
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113
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Jiang Y, Li Q, Wang Y, Jin J, Wei W, Zhang Y, Yang H. Polyester microplastic fibers induce mitochondrial damage, apoptosis and oxidative stress in Daphnia carinata, accompanied by changes in apoptotic and ferroptosis pathway. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 263:106690. [PMID: 37708703 DOI: 10.1016/j.aquatox.2023.106690] [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: 06/17/2023] [Revised: 08/22/2023] [Accepted: 09/07/2023] [Indexed: 09/16/2023]
Abstract
With the widespread utilization of plastic products, microplastics (MPs) have merged as a newfound environmental contaminant in the United States, and the bulk of these MPs in the environment manifest as fibrous structures. Concerns have also been voiced regarding the potential hazards posed by microplastic fibers (MFs). However, research examining the toxicity of MFs, particularly in relation to planktonic organisms, remains severely limited. Meanwhile, polyester fiber materials find extensive applications across diverse industries. As a result, this investigation delved into the toxicology of polyester microplastic fibers (PET-MFs) with a focus on their impact on Daphnia carinata (D. carinata), a freshwater crustacean. Newly hatched D. carinata were subjected to varying concentrations of PET-MFs (0, 50, and 500 MFs/mL) to scrutinize the accumulation of PET-MFs within these organisms and their resultant toxicity. The outcomes revealed that D. carinata was capable of ingesting PET-MFs, leading to diminished rates of survival and reproduction. These effects were accompanied by mitochondrial impairment, heightened mitochondrial count, apoptosis, escalated generation of reactive oxygen species, augmented activity of antioxidant enzymes, and distinct patterns of gene expression. Interestingly, when comparing the group exposed to 50 MFs/mL with the one exposed to 500 MFs/mL, it was observed that the former triggered a more pronounced degree of mitochondrial damage, apoptosis, and oxidative stress. This phenomenon could be attributed to the fact that brief exposure to 500 MFs/mL resulted in greater mortality, eliminating individuals with lower adaptability. Those that survived managed to regulate elevated in vivo reactive oxygen species levels through an increase in glutathione S-transferase content, thereby establishing an adaptive mechanism. Low concentrations did not induce direct mortality, yet PET-MFs continued to inflict harm within the organism. RNA-seq analysis unveiled significant alterations in 279 and 55 genes in the 50 MFs/mL and 500 MFs/mL exposure groups, respectively. Functional enrichment analysis of the 50 MFs/mL group indicated involvement of the apoptosis pathway and ferroptosis pathway in the toxic effects exerted by PET-MFs on D. carinata. This study imparts valuable insights into the toxicological ramifications of PET-MFs on D. carinata, underscoring their potential risks within aquatic ecosystems.
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Affiliation(s)
- Yinan Jiang
- College of Animal Science and Technology, Yangzhou University, 48 Wenhui Road, Yangzhou, Jiangsu 225009, China
| | - Qing Li
- College of Animal Science and Technology, Yangzhou University, 48 Wenhui Road, Yangzhou, Jiangsu 225009, China
| | - Yuting Wang
- College of Animal Science and Technology, Yangzhou University, 48 Wenhui Road, Yangzhou, Jiangsu 225009, China
| | - Jiaqi Jin
- College of Animal Science and Technology, Yangzhou University, 48 Wenhui Road, Yangzhou, Jiangsu 225009, China
| | - Wenzhi Wei
- College of Animal Science and Technology, Yangzhou University, 48 Wenhui Road, Yangzhou, Jiangsu 225009, China
| | - Yingying Zhang
- College of Animal Science and Technology, Yangzhou University, 48 Wenhui Road, Yangzhou, Jiangsu 225009, China
| | - Hui Yang
- College of Animal Science and Technology, Yangzhou University, 48 Wenhui Road, Yangzhou, Jiangsu 225009, China.
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114
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Xu X, Wang S, Li C, Li J, Gao F, Zheng L. Quorum sensing bacteria in microplastics epiphytic biofilms and their biological characteristics which potentially impact marine ecosystem. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 264:115444. [PMID: 37690175 DOI: 10.1016/j.ecoenv.2023.115444] [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: 04/08/2023] [Revised: 08/24/2023] [Accepted: 09/03/2023] [Indexed: 09/12/2023]
Abstract
Microplastics (MPs) have been shown to be a new type of pollutant in the oceans, with complex biofilms attached to their surfaces. Bacteria with quorum sensing (QS) systems are important participants in biofilms. Such bacteria can secrete and detect signal molecules. When a signal molecule reaches its threshold level, bacteria with QS systems can perform several biological functions, such as biofilm formation and antibiotic metabolite production. However, the ecological effects of QS bacteria in biofilm as MPs distribute globally with ocean currents are not to be elucidate yet. In this study, polypropylene and polyvinyl chloride were selected for on-site enrichment to acquire microplastics with biofilms. Eight culturable QS bacteria in the resulting biofilm were isolated by using biosensor assays, and their biodiversity was analyzed. The profiles of the N-acyl-homoserine lactones (AHLs) produced by these bacteria were analyzed by using thin-layer chromatography (TLC)-bioautography and gas chromatography and mass spectrometry (GC-MS). Biofilm-forming properties and several biological characteristics, such as bacteriostasis, algal inhibition, and dimethylsulfoniopropionate (DMSP) degradation, were explored along with QS quenching. Results showed that QS bacteria were mainly affiliated with class Alphaproteobacteria, particularly Rhodobacteraceae, followed by class Gammaproteobacteria. TLC-bioautography and GC-MS analyses revealed that seven AHLs, namely, C6-HSL, C8-HSL, 3-oxo-C6-HSL, 3-oxo-C8-HSL, 3-oxo-C10-HSL, and two unidentified AHLs were produced. The QS system equipped bacteria with strong biofilm-forming capacity and may contribute to the keystone roles of Rhodobacteraceae. In addition, QS bacteria may exacerbate the adverse environmental effects of MPs, such as inducing the misfeeding of planktons on MPs. This study elucidated the diversity of QS bacteria in MP-associated biofilms and provided a new perspective of the effect of key membrane-forming bacteria on the marine ecological environment.
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Affiliation(s)
- Xiyuan Xu
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Shuai Wang
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Chengxuan Li
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Jingxi Li
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Fenglei Gao
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China
| | - Li Zheng
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory of Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China.
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115
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Li D, Tian X, Yang W, Wang X, Liu Y, Shan J. Hydrophobicity-driven self-assembly of nanoplastics and silver nanoparticles for the detection of polystyrene microspheres using surface enhanced Raman spectroscopy. CHEMOSPHERE 2023; 339:139775. [PMID: 37567275 DOI: 10.1016/j.chemosphere.2023.139775] [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: 04/18/2023] [Revised: 07/11/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Microplastics (MPs) and Nanoplastics (NPs) accumulated in the environment have been identified as a major global issue due to their potential harm to wildlife. Current research in the detection of MPs is well established. However, the detection of NPs remains challenging. The aim of this paper is to investigate the detection of polystyrene (PS) NPs on a super-hydrophobic substrate using surface-enhanced Raman spectroscopy (SERS) technology after high-speed centrifugation of PS NPs and AgNPs. The hydrophobic substrate reduces the contact area of droplet, concentrating PS NPs and AgNPs on a small spot, which eliminates the random distribution of nano particles. The condensed PS NPs and AgNPs improve the SERS intensity, reproductivity and detection sensitivity. The results show that SERS measurement on a hydrophobic substrate could significantly improve the detection sensitivity of PS NPs, with the detection limits of PS NPs as low as 0.5 mg/L (500 nm PS NPs) and 1 mg/L (100 nm PS NPs). The study provides an effective and rapid method for the detection of NPs at trace concentration, demonstrating more possibility for the future detection of trace NPs in the aquatic environment.
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Affiliation(s)
- Dandan Li
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Xiaoyu Tian
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Weiqing Yang
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Xue Wang
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Yang Liu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Jiajia Shan
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China.
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116
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Sharma N, Vuppu S. In Silico Study of Enzymatic Degradation of Bioplastic by Microalgae: An Outlook on Microplastic Environmental Impact Assessment, Challenges, and Opportunities. Mol Biotechnol 2023:10.1007/s12033-023-00886-w. [PMID: 37758971 DOI: 10.1007/s12033-023-00886-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 08/22/2023] [Indexed: 09/29/2023]
Abstract
Microplastics are tiny pieces of non-biodegradable plastic that can take thousands of years to break down. As microplastics degrade, they release harmful compounds into the environment, which can be found in the surroundings. The microplastics found in the environment are hard to detect and remove because of their small particle sizes. Microplastics cannot decompose naturally, so they accumulate in the environment and cause pollution. As a result, bioplastics can be produced from a vast array of substrates, including biopolymers, citrus peels, leather, and feather wastes. Blue-green microalgae namely Arthrospira platensis (spirulina) contains enzymes such as laccase and catalase which can be responsible for the degradation of bioplastics. In our study, we performed molecular docking to identify the binding affinities of different enzymes such as laccase and catalase with different substrates, focusing on determining the most suitable substrate for enhancing enzyme activity for degradation of bioplastics. The analysis revealed that veratryl alcohol is the most suitable substrate for laccase, whereas lignin is the more preferred substrate for catalase with the highest binding affinity score of - 5.9 and - 8.1 kcal/mol. Moreover, degradation, challenges, opportunities, and applications of bioplastics in numerous domains such as cosmetics, electronics, agriculture, medical, textiles, and food industries have also been highlighted.
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Affiliation(s)
- Nikita Sharma
- Department of Biotechnology, School of Bioscience and Technology, Vellore Institute of Technology, Tamil Nadu, Vellore, 632014, India
| | - Suneetha Vuppu
- Department of Biotechnology, School of Bioscience and Technology, Vellore Institute of Technology, Tamil Nadu, Vellore, 632014, India.
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117
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Tee-hor K, Nitiratsuwan T, Pradit S. Identification of anthropogenic debris in the stomach and intestines of giant freshwater prawns from the Trang River in southern Thailand. PeerJ 2023; 11:e16082. [PMID: 37744235 PMCID: PMC10517656 DOI: 10.7717/peerj.16082] [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: 03/23/2023] [Accepted: 08/21/2023] [Indexed: 09/26/2023] Open
Abstract
Background Anthropogenic waste, especially microplastics, is becoming more prevalent in the environment and marine ecosystems, where it has the potential to spread through food chains and be consumed by humans. Southeast Asian countries are home to giant freshwater prawns, a common freshwater species that is eaten around the world. Microplastic pollution in river water, sediment, and commercially significant aquatic species such as fish and mollusks has been observed, yet few studies have been conducted on giant freshwater prawns in the rivers of southern Thailand, where microplastics may contaminate prawns via the food they ingest. The purpose of this research was to investigate the accumulation of anthropogenic material in the organs of river prawns (Macrobrachium rosenbergii). Methods Microplastics in the stomachs and intestines of giant freshwater prawns were the focus of this study. Samples were digested with 30 ml of 10% potassium hydroxide (KOH), heated for 5 min at 60 °C, and then digested at room temperature. The quantity, color, and appearance of microplastics were assessed using a stereomicroscope after 12 h. Furthermore, polymers were examined using a Fourier transform infrared spectrophotometer (FTIR). Microplastic counts were compared between sexes. A T-test was used to compare male and female microplastic counts in the stomach and intestine, and the Pearson correlation was used to compare the association between microplastic counts in the stomach and intestine and carapace length (CL), length of abdomen (LA), and body weight (BW) of male and female giant freshwater prawns. The threshold of significance was fixed at p < 0.05. Results Based on the study results, a total of 370 pieces of anthropogenic debris were discovered in the stomachs and intestines of both female and male prawns. The average number of microplastics per individual was 4.87 ± 0.72 in female stomachs and 3.03 ± 0.58 in male stomachs, and 1.73 ± 0.36 in female intestines and 2.70 ± 0.57 in male intestines. The majority of microplastics found in females were within the <100 µm range, while males contained microplastics in the range of 100-500 µm. Both male and female prawns contained fibers (72.70%) and fragments (27.30%). Various polymers were identified, including cotton, rayon, and polyvinyl chloride (PVC). The study also explored the relationship between carapace length, length of abdomen, body weight, stomach weight, and the number of microplastics. The findings reveal a significant association between the number of microplastics and stomach weight in male prawns (R = 0.495; p = 0.005). These findings provide alarming evidence of anthropogenic debris ingestion in prawns and raise concerns about the future effects of anthropogenic pollution on giant freshwater prawns.
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Affiliation(s)
- Kanyarat Tee-hor
- Faculty of Environmental Management, Prince of Songkla University, Hat Yai, Thailand
| | - Thongchai Nitiratsuwan
- Faculty of Science and Fisheries Technology, Rajamangala University of Technology Srivijaya, Sikao, Thailand
| | - Siriporn Pradit
- Faculty of Environmental Management, Prince of Songkla University, Hat Yai, Thailand
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118
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Genchi L, Martin C, Laptenok SP, Baalkhuyur F, Duarte CM, Liberale C. When microplastics are not plastic: Chemical characterization of environmental microfibers using stimulated Raman microspectroscopy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 892:164671. [PMID: 37290646 DOI: 10.1016/j.scitotenv.2023.164671] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/27/2023] [Accepted: 06/02/2023] [Indexed: 06/10/2023]
Abstract
The abundance of anthropogenic debris dispersed in the environment is exponentially growing, raising concerns about marine life and human exposure to microplastics. Microfibers are the most abundant microplastic type in the environment. However, recent research suggests that most microfibers dispersed in the environment are not made of synthetic polymers. In this work, we systematically tested this assumption by determining the man-made or natural origin of microfibers found in different environments, including surface waters, sediments at depths >5000 m and highly sensitive habitats like mangroves and seagrass, and treated water using stimulated Raman scattering (SRS) microscopy. Our findings show that ¾th of analyzed microfibers are of natural origin. One plastic fiber is estimated per every 50 L in surface seawater, every 5 L in desalinated drinking water, every 3 g in deep sea sediments and every 27 g in coastal sediments. Synthetic fibers were significantly larger in surface seawaters compared to organic fibers due to higher resistance to solar radiation. These results emphasize the necessity of using spectroscopical methods to assess the origin of environmental microfibers to accurately estimate the abundance of synthetic materials in the environment.
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Affiliation(s)
- Luca Genchi
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Cecilia Martin
- Red Sea Research Center and Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia; Red Sea Global, SEZ Department of Environmental Sustainability, AlRaidah Digital City, Riyadh 12382 - 6726, Saudi Arabia
| | - Sergey P Laptenok
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Fadiyah Baalkhuyur
- Red Sea Research Center and Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Carlos M Duarte
- Red Sea Research Center and Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.
| | - Carlo Liberale
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia; Computer, Electrical and Mathematical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.
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119
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Feng Q, An C, Chen Z, Lee K, Wang Z. Identification of the driving factors of microplastic load and morphology in estuaries for improving monitoring and management strategies: A global meta-analysis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 333:122014. [PMID: 37336353 DOI: 10.1016/j.envpol.2023.122014] [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: 12/05/2022] [Revised: 05/22/2023] [Accepted: 06/09/2023] [Indexed: 06/21/2023]
Abstract
Estuaries are one of the primary pathways for transferring microplastics (MPs) from the land to the ocean. A comprehensive understanding of the load, morphological characteristics, driving factors, and potential risks of MPs in estuaries is imperative to inform reliable management in this critical transboundary area. Extracted from 135 publications, a global meta-analysis comprising 1477 observations and 124 estuaries was conducted. MP abundance in estuaries was tremendously variable, reaching a mean of 21,342.43 ± 122,557.53 items/m3 in water and 1312.79 ± 6295.73 items/kg in sediment. Fibers and fragments take up a majority proportion in estuaries. Polyester, polypropylene, and polyethylene are the most detected MP types. Around 68.73% and 85.51% of MPs detected in water and sediment are smaller than 1 μm. The redundancy analysis revealed that the explanatory factors influencing the morphological characteristics of MPs differed between water and sediment. Regression analysis shows that MP abundance in water is significantly inversely correlated with mesh/filter size, per capita plastic waste, and the Human Development Index, whereas it is significantly positively correlated with population density and share of global mismanaged plastic waste. MP abundance in sediment significantly positively correlated with aridity index and probability of plastic entering the ocean, while significantly negatively correlated with mesh/filter size. Analysis based on Geodector identified that the extraction method, density of flotation fluid, and sampling depth are the top three explanatory factors for MP abundance in water, while the share of global mismanaged plastic waste, the probability of plastic being emitted into the ocean, and population density are the top three explanatory factors for MP abundance in sediment. In the studied estuaries, 46.75% of the water and 2.74% of the sediment are categorized into extremely high levels of pollution, while 73.08% of the water and 43.48% of the sediment belong to class V of the potential ecological index.
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Affiliation(s)
- Qi Feng
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada
| | - Chunjiang An
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada.
| | - Zhi Chen
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada
| | - Kenneth Lee
- Fisheries and Oceans Canada, Ecosystem Science, Ottawa, K1A 0E6, Canada
| | - Zheng Wang
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada
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120
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Jebashalomi V, Charles PE, Rajaram R, Sadayan P. A critical review on nanoplastics and its future perspectives in the marine environment. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1186. [PMID: 37695547 DOI: 10.1007/s10661-023-11701-z] [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: 05/28/2023] [Accepted: 08/08/2023] [Indexed: 09/12/2023]
Abstract
Nanoplastics (plastic particles smaller than 1 μm) are the least-known type of marine litter. Nanoplastics (NPs) have attracted much interest in recent years because of their prevalence in the environment and the potential harm they can cause to living organisms. This article focuses on understanding NPs and their fate in the marine environment. Sources of NPs have been identified, including accidental release from products or through nano-fragmentation of larger plastic debris. As NPs have a high surface area, they may retain harmful compounds. The presence of harmful additives in NPs poses unique practical challenges for studies on their toxicity. In this review, several methods specifically adapted for the physical and chemical characterization of NPs have been discussed. Furthermore, the review provides an overview of the translocation and absorption of NPs into organisms, along with an evaluation of the release of potential toxins from NPs. Further, we have provided an overview about the existing methods suggested for the possible degradation of these NPs. We conclude that the hazards of NPs are plausible but unknown, necessitating a thorough examination of NPs' sources, fate, and effects to better mitigate and spread awareness about this emerging contaminant.
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Affiliation(s)
- Vethanayaham Jebashalomi
- Department of Marine Science, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620 024, India
| | | | - Rajendran Rajaram
- Department of Marine Science, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620 024, India.
| | - Paramasivam Sadayan
- Department of Oceanography and Coastal Area Studies, School of Marine Science, Science Campus, Alagappa University, Karaikudi, Tamil Nadu, 630003, India
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Mendez-Sanhueza S, Torres M, Pozo K, Del Aguila G, Hernandez F, Jacobsen C, Echeverry D. Microplastics in Seabird Feces from Coastal Areas of Central Chile. Animals (Basel) 2023; 13:2840. [PMID: 37760241 PMCID: PMC10525507 DOI: 10.3390/ani13182840] [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: 06/29/2023] [Revised: 08/23/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Pollution from plastic waste thrown into the ocean affects all levels of the food chain. Marine species of birds are affected by plastic particles of different sizes, especially the mesoplastics (1 to 10 mm) found in their digestive tract, which mainly cause obstructions. In the case of microplastics (1.000 µm to 1 mm), their presence in the digestive tract of these species has been widely reported. We studied fecal samples of the Dominican gull (Larus dominicanus) (n = 14), Magellanic penguins (Spheniscus magellanicus) (n = 8), and Humboldt penguin (Spheniscus humboldti) (n = 1) obtained from the Wildlife Rehabilitation Center of the Biobío region, Chile. Microfibers of various colors were present in the feces of Dominican gulls and Magellanic penguins, corresponding mainly in composition to polypropylene (PP) (83%) and rayon (77%). These results demonstrate that microplastic particles occur in the coastal environments of central Chile and suggest that they are probably circulating in the food chain.
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Affiliation(s)
- Sebastian Mendez-Sanhueza
- Escuela de Medicina Veterinaria, Facultad Ciencias de la Naturaleza, Universidad San Sebastián, Concepción 4081339, Chile; (S.M.-S.); (G.D.A.)
| | - Mariett Torres
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Concepción 4081339, Chile
| | - Karla Pozo
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Concepción 4081339, Chile
| | - Gabriela Del Aguila
- Escuela de Medicina Veterinaria, Facultad Ciencias de la Naturaleza, Universidad San Sebastián, Concepción 4081339, Chile; (S.M.-S.); (G.D.A.)
| | - Fabián Hernandez
- Escuela de Medicina Veterinaria, Facultad Ciencias de la Naturaleza, Universidad San Sebastián, Concepción 4081339, Chile; (S.M.-S.); (G.D.A.)
| | - Camila Jacobsen
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Concepción 4081339, Chile
| | - Diana Echeverry
- Escuela de Medicina Veterinaria, Facultad Ciencias de la Naturaleza, Universidad San Sebastián, Concepción 4081339, Chile; (S.M.-S.); (G.D.A.)
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122
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Lofty J, Valero D, Wilson CAME, Franca MJ, Ouro P. Microplastic and natural sediment in bed load saltation: Material does not dictate the fate. WATER RESEARCH 2023; 243:120329. [PMID: 37453401 DOI: 10.1016/j.watres.2023.120329] [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: 03/25/2023] [Revised: 06/20/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
Microplastic (MP) pollution is a well document threat to our aquatic and terrestrial ecosystems, however, the mechanisms by which MPs are transported in river flows are still unknown. The transport of MPs and natural sediment in aquatic flows could be somewhat comparable, as particles are similar in size. However, it is unknown how the lower density of MPs, their shape and their different material properties impact transport dynamics. To answer this, novel laboratory experiments on bed load saltation dynamics in an open-channel flow, using high-speed camera imaging and the detection of 11,035 individual saltation events were used to identify the similarities and differences between spherical MPs and spherical natural sediments transport. The tested MPs and sediment varied in terms of size and material properties (density and elasticity). Our analysis shows that the Rouse number accurately describes saltation length, height, transport velocity and collision angles equally well for both MPs and natural sediments. Through statistical inference, the distribution functions of saltation trajectory characteristics for MPs were analogous to natural sediment with only one sediment experiment (1.4% of cases) differing from all other plastic experiments. Similarly, only nine experiments (9.3% of cases) showed that collision angles for MPs differed from those of natural sediment experiments. Differences observed in terms of restitution become negligible in overall transport dynamics as turbulence overcomes the kinetic energy lost at particle-bed impact, which keeps particle motion independent from impact. Overall, spherical MP particles behave similarly to spherical natural sediments in aquatic environments under the examined experimental conditions. This is significant because there is an established body of knowledge for sediment transport that can serve as a foundation for the study of MP transport.
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Affiliation(s)
- J Lofty
- School of Engineering, Hydro-Environmental Research Centre, Cardiff University, Cardiff, Wales, UK
| | - D Valero
- Karlsruhe Institute of Technology, Karlsruhe, Germany; IHE Delft, Water Resources and Ecosystems Department, Delft, the Netherlands
| | - C A M E Wilson
- School of Engineering, Hydro-Environmental Research Centre, Cardiff University, Cardiff, Wales, UK
| | - M J Franca
- Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - P Ouro
- School of Engineering, University of Manchester, Manchester, UK.
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123
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Valdez-Cibrián A, Flores-Miranda MDC, Kozak ER. An accessible method to standardize polyethylene microsphere (<100 μm) concentrations for zooplankton ingestion experiments. MARINE POLLUTION BULLETIN 2023; 194:115351. [PMID: 37541139 DOI: 10.1016/j.marpolbul.2023.115351] [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: 04/28/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/06/2023]
Abstract
The ubiquity of microplastics has caused alarm as to the impact of these materials on aquatic life, leading to experimental studies to understand these effects. In zooplankton bioassays, microspheres (Ms) are often used as a proxy to represent aquatic microplastic contamination due to their homogeneity and small sizes (<100 μm). The present study proposes an accessible protocol that does not require highly specialized equipment for the creation of Ms stock solutions and environmentally realistic experimental concentrations and describes some common issues. Adult females of the calanoid copepod Centropages furcatus underwent treatments of two Ms sizes at experimental concentrations of 10 Ms/mL. They consumed on average 0.9 ± 2.6 Ms/mL of 45-53 μm Ms, and 2.4 ± 1.1 Ms/mL of 38-45 μm Ms. The results are not directly comparable with other studies due to the wide variety of methods used but successfully demonstrate the reproducibility of the proposed protocol.
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Affiliation(s)
- Alejandra Valdez-Cibrián
- Departamento de Estudios para el Desarrollo Sustentable de Zonas Costeras, Centro Universitario de la Costa Sur, Universidad de Guadalajara, Gómez Farias 82, San Patricio-Melaque, Jalisco 48980, Mexico
| | - Ma Del Carmen Flores-Miranda
- Departamento de Estudios para el Desarrollo Sustentable de Zonas Costeras, Centro Universitario de la Costa Sur, Universidad de Guadalajara, Gómez Farias 82, San Patricio-Melaque, Jalisco 48980, Mexico
| | - Eva R Kozak
- Departamento de Estudios para el Desarrollo Sustentable de Zonas Costeras, Centro Universitario de la Costa Sur, Universidad de Guadalajara, Gómez Farias 82, San Patricio-Melaque, Jalisco 48980, Mexico.
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124
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Khanjani MH, Sharifinia M, Mohammadi AR. The impact of microplastics on bivalve mollusks: A bibliometric and scientific review. MARINE POLLUTION BULLETIN 2023; 194:115271. [PMID: 37429180 DOI: 10.1016/j.marpolbul.2023.115271] [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: 06/03/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/12/2023]
Abstract
Bivalves are important members of the ecosystem and their populations are declining globally, making them a concern for their role in ecosystem services and the fishing industry. Bivalves are excellent bioindicators of MPs pollution due to their widespread distribution, filtering capabilities, and close association with human health. Microplastics (MPs) have direct and indirect impacts on bivalves, affecting their physiology, habitat structure, food sources, and persistence of organic pollutants. This review provides an extensive overview of the impact of MPs on bivalves, covering various aspects such as their economic significance, ecological roles, and importance in biomonitoring environmental quality. The article presents the current state of knowledge on the sources and pathways of MPs in aquatic environments and their effects on bivalves. The mechanisms underlying the effects of MPs on bivalves, including ingestion, filtration activity, feeding inhibition, accumulation, bioaccumulation, and reproduction, are also discussed. Additionally, a bibliometric analysis of research on MPs in bivalves is presented, highlighting the number of papers, geographical distribution, and keyword clusters relating to MPs. Finally, the review emphasizes the importance of ongoing research and the development of mitigation strategies to reduce the negative effects of MPs pollution on bivalves and their habitats in oceans and coastal waters.
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Affiliation(s)
- Mohammad Hossein Khanjani
- Department of Fisheries Sciences and Engineering, Faculty of Natural Resources, University of Jiroft, Jiroft, Kerman, Iran
| | - Moslem Sharifinia
- Shrimp Research Center, Iranian Fisheries Sciences Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Bushehr 75169-89177, Iran.
| | - Ali Reza Mohammadi
- Department of Environmental Science and Engineering, Faculty of Natural Resources, University of Jiroft, Jiroft, Iran.
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125
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Urrutia-Pereira M, Guidos-Fogelbach G, Chong-Neto HJ, Solé D. Microplastics exposure and immunologic response. Allergol Immunopathol (Madr) 2023; 51:57-65. [PMID: 37695231 DOI: 10.15586/aei.v51i5.834] [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: 02/07/2023] [Accepted: 05/24/2023] [Indexed: 09/12/2023]
Abstract
OBJECTIVE To assess the impact of microplastics (MPs) on human health. DATA SOURCE The authors conducted a non-systematic review of articles published in English, Portuguese, French, and Spanish in the last decade in the following databases: PubMed, Google Scholar, EMBASE, and SciELO. The keywords used were: microplastics OR nanoplastics OR marine litter OR toxicology OR additives AND human health OR children OR adults. DATA SUMMARY MPs are a group of emerging contaminants that have attracted scientific interest and societal attention in the last decade due to their ubiquitous detection in all environments. Humans can primarily be exposed to MPs and nanoplastics via oral and inhalation routes, but dermal contact cannot be overlooked, especially in young children. The possible toxic effects of plastic particles are due to their potential toxicity, often combined with that of leachable additives and adsorbed contaminants. CONCLUSIONS Unless the plastic value chain is transformed over the next two decades, the risks to species, marine ecosystems, climate, health, economy, and communities will be unmanageable. However, along with these risks are the unique opportunities to help transition to a more sustainable world.
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Affiliation(s)
| | | | - Herberto José Chong-Neto
- Department of Pediatrics, Divison of Allergy and Pneumology, Federal University of Paraná, Curitiba, Paraná, Brazil;
| | - Dirceu Solé
- Department of Pediatrics, Division of Allergy, Clinical Immunology and Rheumatology, Federal University of São Paulo, São Paulo, Brazil
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126
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Na J, Song J, Jung J. Elevated temperature enhanced lethal and sublethal acute toxicity of polyethylene microplastic fragments in Daphnia magna. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 102:104212. [PMID: 37429449 DOI: 10.1016/j.etap.2023.104212] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/13/2023] [Accepted: 07/05/2023] [Indexed: 07/12/2023]
Abstract
Microplastic (MP) pollution poses a growing concern in freshwater ecosystems, which are further threatened by global warming. Thus, this study investigated the effect of elevated temperature (25 °C) on acute toxicity of polyethylene MP fragments to Daphnia magna over a 48 h period. At the reference temperature (20 °C), MP fragments (41.88 ± 5.71 µm) induced over 70 times higher lethal toxicity than that induced by MP beads (44.50 ± 2.50 µm), with median effective concentrations (EC50) of 3.89 and 275.89 mg L-1, respectively. Elevated temperature significantly increased (p < 0.05) the lethal (EC50 = 1.88 mg L-1) and sublethal (lipid peroxidation and total antioxidant capacity) toxicity in D. magna exposed to MP fragments compared to those at the reference temperature. Additionally, the elevated temperature led to a significant increase (p < 0.05) in the bioconcentration of MP fragments in D. magna. Overall, the present study increases understanding for the ecological risk assessment of microplastics under global warming, highlights that elevated temperature can be seriously increased bioconcentration of MP fragments, leading to increased acute toxicity in D. magna.
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Affiliation(s)
- Joorim Na
- O-Jeong Eco-Resilience Institute (OJERI), Korea University, Seoul 02841, Republic of Korea
| | - Jinyoung Song
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Jinho Jung
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea.
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127
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Shalumon CS, Ratanatamskul C. A novel simplified method for extraction of microplastic particles from face scrub and laundry wastewater. Sci Rep 2023; 13:14168. [PMID: 37644111 PMCID: PMC10465532 DOI: 10.1038/s41598-023-41457-y] [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: 02/02/2023] [Accepted: 08/27/2023] [Indexed: 08/31/2023] Open
Abstract
Microplastic pollution in different environmental matrices is a serious concern in the recent times. Personal care products and washing of synthetic fabrics are some of the main sources of microplastic pollution. In this work, a novel simplified, effective and sustainable method for extraction of microplastic particles from face scrub and laundry wastewater was developed. Different parameters affecting the extraction were analysed and the extraction process was optimised. The extraction efficiency of the proposed method was found to be ~ 94.1 ± 1.65%, which was slightly better than the previously available method with an advantage of ease in extraction and lesser time and resource consuming. The developed method was used to demonstrate the extraction of microplastic particles from 12 face scrub samples with different brands. It was found that the samples contained microplastic particles of varying size. The physical and chemical structure intactness of microplastic particles during the extraction was also analysed and found to be acceptable. The developed extraction method was also applied for the extraction of microfibers from the laundry wastewater. It was found that this proposed method is suitable to make the cleaner extracted samples for an easy and more effective qualitative and quantitative analysis of MPs.
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Affiliation(s)
- C S Shalumon
- Department of Environmental Engineering, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Innovative Waste Treatment and Water Reuse, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
| | - Chavalit Ratanatamskul
- Department of Environmental Engineering, Chulalongkorn University, Bangkok, Thailand.
- Center of Excellence in Innovative Waste Treatment and Water Reuse, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand.
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128
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Liu YJ, Yang HY, Hu YY, Li ZH, Yin H, He YT, Zhong KQ, Yuan L, Zheng X, Sheng GP. Face mask derived micro(nano)plastics and organic compounds potentially induce threat to aquatic ecosystem security revealed by toxicogenomics-based assay. WATER RESEARCH 2023; 242:120251. [PMID: 37356160 DOI: 10.1016/j.watres.2023.120251] [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: 03/05/2023] [Revised: 06/09/2023] [Accepted: 06/16/2023] [Indexed: 06/27/2023]
Abstract
Micro(nano)plastics widely detected in aquatic environments have caused serious threat to water quality security. However, as a potential important source of micro(nano)plastics in surface water during the COVID-19 pandemic, the ecological risks of face mask waste to aquatic environments remain poorly understood. Herein, we comprehensively characterized the micro(nano)plastics and organic compounds released from four daily used face masks in aqueous environments and further evaluated their potential impacts on aquatic ecosystem safety by quantitative genotoxicity assay. Results from spectroscopy and high-resolution mass spectrum showed that plastic microfibers/particles (∼11%-83%) and leachable organic compounds (∼15%-87%) were dominantly emitted pollutants, which were significantly higher than nanoplastics (< ∼5%) based on mass of carbon. Additionally, a toxicogenomics approach using green fluorescence protein-fused whole-cell array revealed that membrane stress was the primary response upon the exposure to micro(nano)plastics, whereas the emitted organic chemicals were mainly responsible for DNA damage involving most of the DNA repair pathways (e.g., base/nucleotide excision repair, mismatch repair, double-strand break repair), implying their severe threat to membrane structure and DNA replication of microorganisms. Therefore, the persistent release of discarded face masks derived pollutants might exacerbate water quality and even adversely affect aquatic microbial functions. These findings would contribute to unraveling the potential effects of face mask waste on aquatic ecosystem security and highlight the necessity for more developed management regulations in face mask disposal.
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Affiliation(s)
- Yan-Jun Liu
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - He-Yun Yang
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, China
| | - Yan-Yun Hu
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Zheng-Hao Li
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China.
| | - Hao Yin
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Yun-Tian He
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Keng-Qiang Zhong
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Li Yuan
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Xing Zheng
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an 710048, China
| | - Guo-Ping Sheng
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230026, China.
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129
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Gunaalan K, Nielsen TG, Rodríguez Torres R, Lorenz C, Vianello A, Andersen CA, Vollertsen J, Almeda R. Is Zooplankton an Entry Point of Microplastics into the Marine Food Web? ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:11643-11655. [PMID: 37497822 PMCID: PMC10413952 DOI: 10.1021/acs.est.3c02575] [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: 04/05/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 07/28/2023]
Abstract
Microplastics (MPs) overlap in size with phytoplankton and can be ingested by zooplankton, transferring them to higher trophic levels. Copepods are the most abundant metazoans among zooplankton and the main link between primary producers and higher trophic levels. Ingestion of MPs has been investigated in the laboratory, but we still know little about the ingestion of MPs by zooplankton in the natural environment. In this study, we determined the concentration and characteristics of MPs down to 10 μm in zooplankton samples, sorted calanoid copepods, and fecal pellets collected in the Kattegat/Skagerrak Sea (Denmark). We found a median concentration of 1.7 × 10-3 MPs ind-1 in the zooplankton samples, 2.9 × 10-3 MPs ind-1 in the sorted-copepods, and 3 × 10-3 MPs per fecal pellet. Most MPs in the zooplankton samples and fecal pellets were fragments smaller than 100 μm, whereas fibers dominated in the sorted copepods. Based on the collected data, we estimated a MP budget for the surface layer (0-18 m), where copepods contained only 3% of the MPs in the water, while 5% of the MPs were packed in fecal pellets. However, the number of MPs exported daily to the pycnocline via fecal pellets was estimated to be 1.4% of the total MPs in the surface layer. Our results indicate that zooplankton are an entry point of small MPs in the food web, but the number of MPs in zooplankton and their fecal pellets was low compared with the number of MPs found in the water column and the occurrence and/or ingestion of MPs reported for nekton. This suggests a low risk of MP transferring to higher trophic levels through zooplankton and a quantitatively low, but ecologically relevant, contribution of fecal pellets to the vertical exportation of MPs in the ocean.
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Affiliation(s)
- Kuddithamby Gunaalan
- National
Institute of Aquatic Resource, Technical
University of Denmark, Kemitorvet, 201, 2800 Kgs. Lyngby, Denmark
- Department
of the Built Environment, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg East, Denmark
| | - Torkel Gissel Nielsen
- National
Institute of Aquatic Resource, Technical
University of Denmark, Kemitorvet, 201, 2800 Kgs. Lyngby, Denmark
| | - Rocío Rodríguez Torres
- National
Institute of Aquatic Resource, Technical
University of Denmark, Kemitorvet, 201, 2800 Kgs. Lyngby, Denmark
- Laboratoire
d’Océanographie de Villefranche sur mer (LOV), UPMC
Université Paris 06, CNRS UMR 7093, Sorbonne Université, 06230 Villefranche sur Mer, France
| | - Claudia Lorenz
- Department
of the Built Environment, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg East, Denmark
| | - Alvise Vianello
- Department
of the Built Environment, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg East, Denmark
| | - Ceelin Aila Andersen
- National
Institute of Aquatic Resource, Technical
University of Denmark, Kemitorvet, 201, 2800 Kgs. Lyngby, Denmark
| | - Jes Vollertsen
- Department
of the Built Environment, Aalborg University, Thomas Manns Vej 23, 9220 Aalborg East, Denmark
| | - Rodrigo Almeda
- National
Institute of Aquatic Resource, Technical
University of Denmark, Kemitorvet, 201, 2800 Kgs. Lyngby, Denmark
- EOMAR-ECOAQUA, University of Las Palmas of Gran Canaria, 35017 Las Palmas
de Gran Canaria, Spain
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Nkosi MS, Cuthbert RN, Wu N, Shikwambana P, Dalu T. Microplastic abundance, distribution, and diversity in water and sediments along a subtropical river system. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:91440-91452. [PMID: 37479936 DOI: 10.1007/s11356-023-28842-w] [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: 02/14/2023] [Accepted: 07/13/2023] [Indexed: 07/23/2023]
Abstract
Microplastic pollution in aquatic environments has been a ubiquitous concern in recent years, owing to their rapid production combined with poor waste management practices. However, information on freshwater microplastics in the Global South is still scarce, despite growing research on freshwater microplastics in recent years, particularly within the Global North. To help address this knowledge gap, we studied water and sediment microplastic dynamics along a subtropical river system, i.e. Crocodile River around the Nelspruit City area (South Africa), across three different seasons (i.e. cool-dry, hot-dry, hot-wet) using a combination of diversity indices and multivariate analyses. Microplastics were more abundant during the cool-dry season in the surface water samples (mean 1058 particles m-3) and high during the hot-dry season (mean 568 particles kg-1 dwt) in the sediment samples. The hot-wet season had a low particle density in both surface water (mean 625 particles m-3) and sediments (mean 86 particles kg-1 dwt) samples. Microplastic shapes were dominated by fibres and fragments, with the colour scheme dominated by transparent, blue, and black. The abundance of microplastics was positively correlated with pH and resistivity, and negatively with river flow. Wastewater was attributed as a primary source of microplastics, particularly because of the observed dominant fibre microplastics, usually released during laundry. Our results suggest that Crocodile River and its tributaries are temporary sinks of microplastics during periods of low rainfall. Implications of this pollution are far-reaching, including effects on residents who are dependent on the Crocodile River as a source of drinking water and aquatic biota which may be exposed to these pollutants.
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Affiliation(s)
- Masimini S Nkosi
- Aquatic Systems Research Group, School of Biology and Environmental Sciences, University of Mpumalanga, Nelspruit, 1200, South Africa
| | - Ross N Cuthbert
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, BT9 5DL, Belfast, UK
| | - Naicheng Wu
- Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo, 315211, China
| | - Purvance Shikwambana
- Aquatic Systems Research Group, School of Biology and Environmental Sciences, University of Mpumalanga, Nelspruit, 1200, South Africa
| | - Tatenda Dalu
- Aquatic Systems Research Group, School of Biology and Environmental Sciences, University of Mpumalanga, Nelspruit, 1200, South Africa.
- Stellenbosch Institute for Advanced Study, Wallenberg Research Centre at Stellenbosch University, Stellenbosch, 7600, South Africa.
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131
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Ferdous SR, Amin A, Hasan J, Alam MS, Shahjahan M. Prevalence of microplastics in commonly consumed fish species of the river Old Brahmaputra, Bangladesh. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:85639-85654. [PMID: 37392300 DOI: 10.1007/s11356-023-28514-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 06/26/2023] [Indexed: 07/03/2023]
Abstract
Microplastics (MPs) are pervasive in aquatic environments, but inland waterbodies (rivers and floodplains) have received much less attention. The present study assesses the incidence of MPs in the gastrointestinal tracts of five commercially important edible fish species-two column feeders (n = 30) and three benthivores (n = 45) from upstream, midstream, and downstream of the Old Brahmaputra river in north-central Bangladesh. MPs were detected in 58.93% of fish, with the highest level in freshwater eel, Mastacembelus armatus (10.31 ± 0.75/fish). Fibers (49.03%) and pellets (28.02%) were the most frequent MPs. Nearly 72% MPs were smaller than 1 mm, and 50.97% were black. FTIR analysis showed 59% polyethelene (PE), followed by polyamide (40%) and unidentified (1%). MP ingestion was linked to fish size and weight, and a high incidence was recorded in the downstream river. Two omnivorous benthic fish ingest more MPs than others. The results corroborate the presence of MPs in the inland river and fish fauna and augment our understanding of heterogeneous MP uptake by fish.
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Affiliation(s)
- Syed Rubaiyat Ferdous
- Department of Fish Biology and Genetics, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Al Amin
- Department of Fish Biology and Genetics, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Jabed Hasan
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Md Samsul Alam
- Department of Fish Biology and Genetics, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Md Shahjahan
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh.
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Rowlands E, Galloway T, Cole M, Lewis C, Hacker C, Peck VL, Thorpe S, Blackbird S, Wolff GA, Manno C. Scoping intergenerational effects of nanoplastic on the lipid reserves of Antarctic krill embryos. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 261:106591. [PMID: 37329636 DOI: 10.1016/j.aquatox.2023.106591] [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: 03/17/2023] [Revised: 05/05/2023] [Accepted: 05/24/2023] [Indexed: 06/19/2023]
Abstract
Antarctic krill (Euphausia superba) plays a central role in the Antarctic marine food web and biogeochemical cycles and has been identified as a species that is potentially vulnerable to plastic pollution. While plastic pollution has been acknowledged as a potential threat to Southern Ocean marine ecosystems, the effect of nanoplastics (<1000 nm) is poorly understood. Deleterious impacts of nanoplastic are predicted to be higher than that of larger plastics, due to their small size which enables their permeation of cell membranes and potentially provokes toxicity. Here, we investigated the intergenerational impact of exposing Antarctic krill to nanoplastics. We focused on whether embryonic energy resources were affected when gravid female krill were exposed to nanoplastic by determining lipid and fatty acid compositions of embryos produced in incubation. Embryos were collected from females who had spawned under three different exposure treatments (control, nanoplastic, nanoplastic + algae). Embryos collected from each maternal treatment were incubated for a further 6 days under three nanoplastic exposure treatments (control, low concentration nanoplastic, and high concentration nanoplastic). Nanoplastic additions to seawater did not impact lipid metabolism (total lipid or fatty acid composition) across the maternal or direct embryo treatments, and no interactive effects were observed. The provision of a food source during maternal exposure to nanoplastic had a positive effect on key fatty acids identified as important during embryogenesis, including higher total polyunsaturated fatty acids (PUFA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) when compared to the control and nanoplastic treatments. Whilst the short exposure time was ample for lipids from maternally digested algae to be incorporated into embryos, we discuss why the nanoplastic-fatty acid relationship may be more complex. Our study is the first to scope intergeneration effects of nanoplastic on Antarctic krill lipid and fatty acid reserves. From this, we suggest directions for future research including long term exposures, multi-stressor scenarios and exploring other critical energy reserves such as proteins.
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Affiliation(s)
- Emily Rowlands
- British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom.
| | - Tamara Galloway
- Biosciences, Faculty of Health and Life Sciences, Geoffrey Pope, University of Exeter, Stocker Road, Exeter EX4 4QD, United Kingdom
| | - Matthew Cole
- Plymouth Marine Laboratory, Prospect Place, Plymouth PL1 3DH, United Kingdom
| | - Ceri Lewis
- Biosciences, Faculty of Health and Life Sciences, Geoffrey Pope, University of Exeter, Stocker Road, Exeter EX4 4QD, United Kingdom
| | - Christian Hacker
- Biosciences, Faculty of Health and Life Sciences, Geoffrey Pope, University of Exeter, Stocker Road, Exeter EX4 4QD, United Kingdom
| | - Victoria L Peck
- British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom
| | - Sally Thorpe
- British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom
| | - Sabena Blackbird
- Department of Earth, Ocean and Ecological Sciences, University of Liverpool, Jane Herdman Building, 4 Brownlow Street, Liverpool L69 3GP, United Kingdom
| | - George A Wolff
- Department of Earth, Ocean and Ecological Sciences, University of Liverpool, Jane Herdman Building, 4 Brownlow Street, Liverpool L69 3GP, United Kingdom
| | - Clara Manno
- British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom.
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133
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Arafat ST, Tanoiri H, Yokota M, Nakano H, Arakawa H, Terahara T, Kobayashi T. Microplastic pollution in the gastrointestinal tract of giant river catfish Sperata seenghala (Sykes, 1839) from the Meghna River, Bangladesh. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:89627-89637. [PMID: 37454010 DOI: 10.1007/s11356-023-28750-z] [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: 01/30/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
Freshwater rivers are considered the major route for microplastics (MPs), yet limited studies have been reported on MPs in freshwater river fish, especially in Bangladesh. This research reveals the intake of MPs by the giant river catfish Sperata seenghala, collected from the Meghna River, which is the only outlet of the Ganges-Brahmaputra River. Three locations, namely, Chandpur Sadar, Bhola Sadar, and Char Fasson, along the Meghna River, were selected in order to investigate the gastrointestinal tracts (GIT) of the fish. Ninety percent (n=27) of fish (n=30) were contaminated, with fragment-shaped MPs (65%) as the most abundant among the four types. A total of 179 MP particles were detected using micro-Fourier transformed infrared spectroscopy (μ-FTIR), with an average of 5.96 ± 1.32 MP particles per fish. Among the four size groups, the highest proportion of MPs (54%) occurred in the 45-100 μm group; the dominant color among the seven color groups was white (30%). The highest quantity of MPs was found in the relatively densely populated Chandpur Sadar region. Polypropylene-polyethylene copolymer (PP-PE, 23%) was proportionally dominant among the 15 types. No significant relationship was found between the total number of observed MPs and the GIT weight. This study will help us to understand MP pollution in S. seenghala that may transmit to the human body through the food chain.
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Affiliation(s)
- Shaikh Tareq Arafat
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan.
- Fisheries and Marine Resource Technology Discipline, Khulna University, Sher-E-Bangla Road, Khulna, 9208, Bangladesh.
| | - Hiraku Tanoiri
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Masashi Yokota
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Haruka Nakano
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
- Center for Ocean Plastic Studies (COPS), Research Institute for Applied Mechanics, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan
| | - Hisayuki Arakawa
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Takeshi Terahara
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
| | - Takeshi Kobayashi
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo, 108-8477, Japan
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134
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Ammar E, Hamed M, Mohamed MS, Sayed AEDH. The synergetic effects of 4-nonylphenol and polyethylene microplastics in Cyprinus carpio juveniles using blood biomarkers. Sci Rep 2023; 13:11635. [PMID: 37468510 DOI: 10.1038/s41598-023-38636-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023] Open
Abstract
Microplastics are widely distributed in aquatic ecosystems along with other chemical pollutants. Therefore, it is vital to study the health-hazardous effects of MPs in combination with 4-nonylphenol (4-NP), which is a highly abundant industrial waste and a critical alkylphenol endocrine disruptor. We investigated the effects of the exposure to polyethylene microplastics (PE-MPs), 4-NP, and their combination on blood biomarkers in Cyprinus carpio juveniles. Four study groups were treated for 15 consecutive days: (1) control group, (2) 10 mg/L PE-MP group, (3) 10 mg/L PE-MPs + 200 µg/L 4-NP group, and (4) 200 µg/L 4-NP group, followed by 15 days of recovery. Biochemical analyses showed that creatine kinase, lactate dehydrogenase, glucose, liver enzymes, total protein, and A/G ratios were significantly increased after exposure to PE-MPs, 4-NP, and the combination. Hematological parameters (RBC's, Hb, Ht, neutrophil percentage, and WBC's) were significantly decreased in the three exposure groups, whereas mean corpuscular volume and lymphocyte percentages were significantly increased. The 15-day recovery period improved most hematobiochemical parameters and PE-MP accumulation indices. Taken together, we demonstrated the hazardous effects of PE-MP and 4-NP combinations on C. carpio blood parameters and highlighted their potential risk to human health.
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Affiliation(s)
- Esraa Ammar
- Department of Molecular Biology, Molecular Biology Research and Studies Institute, Assiut University, Assiut, 71516, Egypt
| | - Mohamed Hamed
- Department of Zoology, Faculty of Science, Al-Azhar University, Assiut Branch, Assiut, 71524, Egypt
| | - Mahmoud S Mohamed
- Zoology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
| | - Alaa El-Din H Sayed
- Department of Molecular Biology, Molecular Biology Research and Studies Institute, Assiut University, Assiut, 71516, Egypt.
- Zoology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
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135
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Sharma S, Bhardwaj A, Thakur M, Saini A. Understanding microplastic pollution of marine ecosystem: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-28314-1. [PMID: 37442935 DOI: 10.1007/s11356-023-28314-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 06/13/2023] [Indexed: 07/15/2023]
Abstract
Microplastics are emerging as prominent pollutants across the globe. Oceans are becoming major sinks for these pollutants, and their presence is widespread in coastal regions, oceanic surface waters, water column, and sediments. Studies have revealed that microplastics cause serious threats to the marine ecosystem as well as human beings. In the past few years, many research efforts have focused on studying different aspects relating to microplastic pollution of the oceans. This review summarizes sources, migration routes, and ill effects of marine microplastic pollution along with various conventional as well as advanced methods for microplastics analysis and control. However, various knowledge gaps in detection and analysis require attention in order to understand the sources and transport of microplastics, which is critical to deploying mitigation strategies at appropriate locations. Advanced removal methods and an integrated approach are necessary, including government policies and stringent regulations to control the release of plastics.
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Affiliation(s)
- Swati Sharma
- Department of Biotechnology, Shoolini Institute of Life Sciences and Business Management, Solan, Himachal Pradesh, India
| | - Aprajita Bhardwaj
- Department of Biotechnology, Shoolini Institute of Life Sciences and Business Management, Solan, Himachal Pradesh, India
| | - Monika Thakur
- Department of Microbiology, Shoolini Institute of Life Sciences and Business Management, Solan, Himachal Pradesh, India
| | - Anita Saini
- Department of Microbiology, School of Basic and Applied Sciences, Maharaja Agrasen University, Baddi, Himachal Pradesh, India.
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136
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Panagiotidis K, Engelmann B, Krauss M, Rolle-Kampczyk UE, Altenburger R, Rochfort KD, Grintzalis K. The impact of amine and carboxyl functionalised microplastics on the physiology of daphnids. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:132023. [PMID: 37441864 DOI: 10.1016/j.jhazmat.2023.132023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 07/01/2023] [Accepted: 07/07/2023] [Indexed: 07/15/2023]
Abstract
Plastic waste is considered a major threat for terrestrial, marine and freshwater ecosystems. Ingestion of primary or secondary microparticles resulting from plastic degradation can lead to their trophic transfer raising serious health concerns. In this study, the effect of amine and carboxy functionalized polystyrene microparticles on the physiology of daphnids was investigated with a combination of phenotypic and metabolic endpoints. Carboxy functionalized microparticles showed higher toxicity in acute exposures compared to their amine counterparts. Accumulation of both microparticles in animal gut was confirmed by stereo-microscopy as well as fluorescent microscopy which showed no presence of particles in the rest of the animal. Fluorescence based quantification of microparticles extracted from animal lysates validated their concentration-dependent uptake. Additionally, exposure of daphnids to amine and carboxy functionalized microparticles resulted in increased activities of key enzymes related to metabolism and detoxification. Finally, significant metabolic perturbations were discovered following exposure to microplastics. These findings suggest that polystyrene microparticles can hinder organism performance of the freshwater species and highlight the importance of seeking for holistic and physiological endpoints for pollution assessment.
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Affiliation(s)
| | - Beatrice Engelmann
- Department of Molecular Systems Biology, UFZ - Helmholtz Centre for Environmental Research, Leipzig, Germany
| | - Martin Krauss
- Department of Effect-Directed Analysis, UFZ - Helmholtz Centre for Environmental Research, Leipzig, Germany
| | - Ulrike E Rolle-Kampczyk
- Department of Molecular Systems Biology, UFZ - Helmholtz Centre for Environmental Research, Leipzig, Germany
| | - Rolf Altenburger
- Department of Bioanalytical Ecotoxicology, UFZ - Helmholtz Centre for Environmental Research, Leipzig, Germany
| | - Keith D Rochfort
- School of Nursing, Psychotherapy, and Community Health, Dublin City University, Republic of Ireland
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137
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Kim SK, Kim JS, Kim SY, Song NS, La HS, Yang EJ. Arctic Ocean sediments as important current and future sinks for marine microplastics missing in the global microplastic budget. SCIENCE ADVANCES 2023; 9:eadd2348. [PMID: 37406127 DOI: 10.1126/sciadv.add2348] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 05/31/2023] [Indexed: 07/07/2023]
Abstract
To better understand unexpectedly low plastic loads at the ocean's surface compared with inputs, unidentified sinks must be located. Here, we present the microplastic (MP) budget for multi-compartments in the western Arctic Ocean (WAO) and demonstrate that Arctic sediments serve as important current and future sinks for MPs missing from the global budget. We identified an increase of 3% year-1 in MP deposition from sediment core observations. Relatively elevated MP abundances were found in seawater and surface sediments around the summer sea ice retreat region, implying enhanced MP accumulation and deposition facilitated by the ice barrier. We estimate 15.7 ± 2.30 × 1016 N and 0.21 ± 0.14 MT as total MP loads in the WAO with 90% (by mass) buried in the post-1930 sediments, which exceeds the global average of the current marine MP load. The slower increase in plastic burial versus production implies a lag in plastic delivery to the Arctic, indicating more pollution in the future.
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Affiliation(s)
- Seung-Kyu Kim
- Department of Marine Science, College of Natural Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
- Yellow Sea Research Institute, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - Ji-Su Kim
- Department of Marine Science, College of Natural Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - So-Young Kim
- Division of Ocean Sciences, Korea Polar Research Institute, Songdomirae-ro, Yeonsu-gu, Incheon 21990, Republic of Korea
| | - Nan-Seon Song
- Research Institute of Basic Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - Hyoung Sul La
- Division of Ocean Sciences, Korea Polar Research Institute, Songdomirae-ro, Yeonsu-gu, Incheon 21990, Republic of Korea
| | - Eun Jin Yang
- Division of Ocean Sciences, Korea Polar Research Institute, Songdomirae-ro, Yeonsu-gu, Incheon 21990, Republic of Korea
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138
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Schuab JM, Quirino WP, de Paula MS, Milagres MR, Motta DG, Zamprogno GC, Otegui MBP, Ocaris ERY, da Costa MB. Abundance of microplastic in different coastal areas using Phragmatopoma caudata (Kroyer in Morch, 1863) (Polychaeta: Sabelariidae) as an indicator. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 880:163219. [PMID: 37011693 DOI: 10.1016/j.scitotenv.2023.163219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/20/2023] [Accepted: 03/28/2023] [Indexed: 05/27/2023]
Abstract
Plastic debris has been reported in the marine environment since the '70s. These plastic materials are introduced into the marine environment in several sizes, one of them microplastics (MP), and they have drawn great interest and concern in the past decades. Consumption of MP can cause weight loss, feeding rate decrease, reproductive activity decrease, and several other negative effects. Ingestion of MPs has already been reported for some species of polychaetes but the use of these annelids in MP studies is still poorly reported. Costa et al. (2021) was the first study to investigate the capability of the reef-building polychaete Phragmatopoma caudata to incorporate microplastic in its colony's structures. This makes the colonies a reservoir of MP and thus they reflect the environment's quality regarding MP presence. Consequently, this specie becomes an important asset to MP pollution investigation in coastal areas. Therefore, this work aims to investigate the abundance of MPs on the coastline of Espírito Santo using P. caudata as an indicator of MP presence. For this, we collected samples of P. caudata colonies in 12 sampling sites along the Espírito Santo coast (three replicates at each site). These colony samples were processed to extract the MPs particles from the colony surface, its inner structure, and tissues from the individuals. These MPs were counted using a stereomicroscope and sorted according to their color and type (filament, fragment, and other). Statistical analysis was performed using GraphPad Prism 9.3.0. Significant values followed p < 0.05. We found MP particles in all 12 sampled beaches, configuring a pollution rate of 100 %. The number of filaments was notably greater than the number of fragments and others. The most impacted beaches were found inside the metropolitan region of the state. Finally, P. caudata is an efficient and trustable indicator of microplastic in coastal areas.
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Affiliation(s)
- João Marcos Schuab
- Post-Graduation Program in Animal Biology, Department of Biological Sciences, Federal University of Espírito Santo, Brazil; Laboratory of Coastal Biology and Microplastic Analysis, Department of Chemistry, Federal University of Espírito Santo, Brazil.
| | - Welton Pereira Quirino
- Laboratory of Coastal Biology and Microplastic Analysis, Department of Chemistry, Federal University of Espírito Santo, Brazil; Laboratory of Genetics and Molecular Evolution, Biological Sciences Department, Federal University of Espírito Santo, Brazil
| | - Midiã Silva de Paula
- Post-Graduation Program in Animal Biology, Department of Biological Sciences, Federal University of Espírito Santo, Brazil; Laboratory of Coastal Biology and Microplastic Analysis, Department of Chemistry, Federal University of Espírito Santo, Brazil
| | - Mateus Reis Milagres
- Post-Graduation Program in Animal Biology, Department of Biological Sciences, Federal University of Espírito Santo, Brazil; Laboratory of Coastal Biology and Microplastic Analysis, Department of Chemistry, Federal University of Espírito Santo, Brazil
| | - Daniel Gosser Motta
- Post-Graduation Program in Animal Biology, Department of Biological Sciences, Federal University of Espírito Santo, Brazil; Laboratory of Coastal Biology and Microplastic Analysis, Department of Chemistry, Federal University of Espírito Santo, Brazil
| | - Gabriela Carvalho Zamprogno
- Laboratory of Coastal Biology and Microplastic Analysis, Department of Chemistry, Federal University of Espírito Santo, Brazil
| | - Mariana Beatriz Paz Otegui
- Laboratory of Coastal Biology and Microplastic Analysis, Department of Chemistry, Federal University of Espírito Santo, Brazil; Institute of Biodiversity and Applied Experimental Biology (CONICET-UBA), Buenos Aires University, Argentina
| | - Enrique Ronald Yapuchura Ocaris
- Universidad Tecnológica del Perú, Peru; Laboratory of Carbon and Ceramic Materials, Department of Chemistry, Federal University of Espírito Santo, Brazil
| | - Mercia Barcellos da Costa
- Laboratory of Coastal Biology and Microplastic Analysis, Department of Chemistry, Federal University of Espírito Santo, Brazil
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139
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Giani D, Andolina C, Baini M, Panti C, Sciandra M, Vizzini S, Fossi MC. Trophic niche influences ingestion of micro- and mesoplastics in pelagic and demersal fish from the Western Mediterranean Sea. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 328:121632. [PMID: 37059168 DOI: 10.1016/j.envpol.2023.121632] [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: 01/10/2023] [Revised: 03/25/2023] [Accepted: 04/11/2023] [Indexed: 05/09/2023]
Abstract
Plastic pollution has been extensively documented in the marine food web, but targeted studies focusing on the relationship between microplastic ingestion and fish trophic niches are still limited. In this study we investigated the frequency of occurrence and the abundance of micro- and mesoplastics (MMPs) in eight fish species with different feeding habits from the western Mediterranean Sea. Stable isotope analysis (δ13C and δ15N) was used to describe the trophic niche and its metrics for each species. A total of 139 plastic items were found in 98 out of the 396 fish analysed (25%). The bogue revealed the highest occurrence with 37% of individuals with MMPs in their gastrointestinal tract, followed by the European sardine (35%). We highlighted how some of the assessed trophic niche metrics seem to influence MMPs occurrence. Fish species with a wider isotopic niche and higher trophic diversity were more probable to ingest plastic particles in pelagic, benthopelagic and demersal habitats. Additionally, fish trophic habits, habitat and body condition influenced the abundance of ingested MMPs. A higher number of MMPs per individual was found in zooplanktivorous than in benthivore and piscivorous species. Similarly, our results show a higher plastic particles ingestion per individual in benthopelagic and pelagic species than in demersal species, which also resulted in lower body condition. Altogether, these results suggest that feeding habits and trophic niche descriptors can play a significant role in the ingestion of plastic particles in fish species.
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Affiliation(s)
- Dario Giani
- Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, Italy
| | - Cristina Andolina
- Department of Earth and Marine Sciences, DiSTeM, University of Palermo, Italy; National Interuniversity Consortium for Marine Sciences, CoNISMa, Rome, Italy.
| | - Matteo Baini
- Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, Italy
| | - Cristina Panti
- Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, Italy; NBFC, National Biodiversity Future Center, 90133 Italy
| | - Mariangela Sciandra
- Department of Economics, Business and Statistics, University of Palermo, Palermo, Italy
| | - Salvatrice Vizzini
- Department of Earth and Marine Sciences, DiSTeM, University of Palermo, Italy; National Interuniversity Consortium for Marine Sciences, CoNISMa, Rome, Italy
| | - Maria Cristina Fossi
- Department of Physical, Earth and Environmental Sciences, University of Siena, Siena, Italy; NBFC, National Biodiversity Future Center, 90133 Italy
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140
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Fulfer VM, Walsh JP. Extensive estuarine sedimentary storage of plastics from city to sea: Narragansett Bay, Rhode Island, USA. Sci Rep 2023; 13:10195. [PMID: 37353683 DOI: 10.1038/s41598-023-36228-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/31/2023] [Indexed: 06/25/2023] Open
Abstract
Plastics are an important new component of the global sedimentary system, and much concern exists about their transport, fate and impact. This study presents the first system-scale assessment of sedimentary storage of microplastic for an estuary, Narragansett Bay, RI (USA), and the measurements of shoreline and seabed sediments add to the growing body of literature demonstrating high coastal concentrations. Microplastic concentrations in sediments ranged from 396 to over 13,000 MP particles kg-1 dry sediment (DW), comparable to other shoreline and seafloor sites located near urban centers. As previously reported for fine sediment and other pollutants, estuarine plastic storage is extensive in Narragansett Bay, especially within the upper urbanized reaches. Over 16 trillion pieces of plastic weighing near 1000 tonnes is calculated to be stored in surface sediments of the Bay based on a power-law fit. This work highlights that estuaries may serve as a significant filter for plastic pollution, and this trapping may have negative consequences for these valuable, productive ecosystems but offer potential for efficient removal.
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Affiliation(s)
- Victoria M Fulfer
- Graduate School of Oceanography, University of Rhode Island, Narragansett, RI, 02882, USA.
- Coastal Resources Center, Graduate School of Oceanography, University of Rhode Island, Narragansett, RI, 02882, USA.
| | - J P Walsh
- Graduate School of Oceanography, University of Rhode Island, Narragansett, RI, 02882, USA
- Coastal Resources Center, Graduate School of Oceanography, University of Rhode Island, Narragansett, RI, 02882, USA
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141
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Tang CN, Kuwahara VS, Leong SCY, Moh PY, Yoshida T. Effect of monsoon on microplastic bioavailability and ingestion by zooplankton in tropical coastal waters of Sabah. MARINE POLLUTION BULLETIN 2023; 193:115182. [PMID: 37352797 DOI: 10.1016/j.marpolbul.2023.115182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/07/2023] [Accepted: 06/13/2023] [Indexed: 06/25/2023]
Abstract
Plankton seasonality in tropical coastal waters is becoming more apparent as a result of monsoon-driven changes in environmental conditions, but research on the monsoonal variation of microplastics (MP) is still limited. We examined the monsoonal variation of MP in the water column and their ingestion by zooplankton in Sepanggar Bay, Sabah, Malaysia. MP concentrations were significantly higher during the Southwest monsoon whereas MP ingestions showed no monsoonal difference across major zooplankton taxa. Canonical Correspondence Analysis (CCA) and Generalized Additive Models (GAM) indicate that MP concentrations were driven by changes in rainfall and salinity while MP bioavailability to zooplankton was consistent regardless of monsoon. MP ingestion increased progressively up the planktonic food chain, and bioavailability of fibers and small-sized MP of high-density polymers to zooplankton was proportionately higher. Distinct changes in the MP concentration relative to the monsoons provide new insights into the seasonal variation of MP in tropical coastal ecosystems.
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Affiliation(s)
- Chung Ngo Tang
- Unit for Harmful Algal Bloom Studies, Borneo Marine Research Institute, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia
| | - Victor S Kuwahara
- Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji-shi, Tokyo 192-8577, Japan
| | - Sandric Chee Yew Leong
- St. John's Island National Marine Laboratory, Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Rd, Singapore 119227, Singapore
| | - Pak Yan Moh
- Water Research Unit, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia
| | - Teruaki Yoshida
- Unit for Harmful Algal Bloom Studies, Borneo Marine Research Institute, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia.
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142
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Jeong G, Kim HJ, Kim KE, Kim YJ, Lee TK, Shim WJ, Jung SW. Selective attachment of prokaryotes and emergence of potentially pathogenic prokaryotes on four plastic surfaces: Adhesion study in a natural marine environment. MARINE POLLUTION BULLETIN 2023; 193:115149. [PMID: 37336046 DOI: 10.1016/j.marpolbul.2023.115149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/02/2023] [Accepted: 06/04/2023] [Indexed: 06/21/2023]
Abstract
This study employed 16S rRNA metabarcoding to establish the diversity of prokaryotic communities and specific characteristics of potentially pathogenic prokaryotic primary colonizers of four plastic materials (EPS, expanded polystyrene; PE, polyethylene; PP, polypropylene; and PET, polyethylene terephthalate). Bacteria inhabiting plastic and seawater differ; thus, distinct changes in the attached prokaryotic community were observed over an exposure time of 21 days, specifically on Days 3, 6, 9, and 12-21. Frist colonizers were Gammaproteobacteria and Alphaproteobacteria; Bacilli and Clostridia represented secondary colonizers. On Day 3, Pseudoalteromonas had a relative abundance >80 %; whereas, the prevalence of Vibrio spp. (potentially pathogenic prokaryotes) increased rapidly on Days 6 and 9. However, after Day 12, the prevalence of other potential pathogens, namely, Clostridium spp., steadily increased. Despite the diversity of the plastic surfaces, attached prokaryotes changed over time instead of showing similar adherent diversity in all plastic materials.
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Affiliation(s)
- Gaeul Jeong
- Library of Marine Samples, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea
| | - Hyun-Jung Kim
- Library of Marine Samples, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea
| | - Kang Eun Kim
- Library of Marine Samples, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea; Department of Ocean Science, University of Science and Technology, Daejeon 34113, Republic of Korea
| | - Yu Jin Kim
- Library of Marine Samples, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea; Department of Ocean Science, University of Science and Technology, Daejeon 34113, Republic of Korea
| | - Taek-Kyun Lee
- Department of Ocean Science, University of Science and Technology, Daejeon 34113, Republic of Korea; Risk Assessment Research Centre, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea
| | - Won Joon Shim
- Department of Ocean Science, University of Science and Technology, Daejeon 34113, Republic of Korea; Risk Assessment Research Centre, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea
| | - Seung Won Jung
- Library of Marine Samples, Korea Institute of Ocean Science & Technology, Geoje 53201, Republic of Korea; Department of Ocean Science, University of Science and Technology, Daejeon 34113, Republic of Korea.
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143
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Zhong L, Wu T, Sun HJ, Ding J, Pang JW, Zhang L, Ren NQ, Yang SS. Recent advances towards micro(nano)plastics research in wetland ecosystems: A systematic review on sources, removal, and ecological impacts. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131341. [PMID: 37023576 DOI: 10.1016/j.jhazmat.2023.131341] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/20/2023] [Accepted: 03/31/2023] [Indexed: 05/03/2023]
Abstract
In recent years, microplastics/nanoplastics (MPs/NPs) have received substantial attention worldwide owing to their wide applications, persistence, and potential risks. Wetland systems are considered to be an important "sink" for MPs/NPs, which can have potential ecological and environmental effects on the ecosystem. This paper provides a comprehensive and systematic review of the sources and characteristics of MPs/NPs in wetland ecosystems, together with a detailed analysis of MP/NP removal and associated mechanisms in wetland systems. In addition, the eco-toxicological effects of MPs/NPs in wetland ecosystems, including plant, animal, and microbial responses, were reviewed with a focus on changes in the microbial community relevant to pollutant removal. The effects of MPs/NPs exposure on conventional pollutant removal by wetland systems and their greenhouse gas emissions are also discussed. Finally, current knowledge gaps and future recommendations are presented, including the ecological impact of exposure to various MPs/NPs on wetland ecosystems and the ecological risks of MPs/NPs associated with the migration of different contaminants and antibiotic resistance genes. This work will facilitate a better understanding of the sources, characteristics, and environmental and ecological impacts of MPs/NPs in wetland ecosystems, and provide a new perspective to promote development in this field.
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Affiliation(s)
- Le Zhong
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Tong Wu
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Han-Jun Sun
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jie Ding
- National Engineering Research Center for Bioenergy, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
| | - Ji-Wei Pang
- China Energy Conservation and Environmental Protection Group, CECEP Talroad Technology Co., Ltd., Beijing 100096, China
| | - Luyan Zhang
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Nan-Qi Ren
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Shan-Shan Yang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
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144
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Li Y, Du X, Li W, Jiang Q, Ye Y, Yang Y, Liu X, Zhao Y, Che X. Two genes related to apoptosis in the hepatopancreas of juvenile prawn, Macrobrachium nipponense: Molecular characterization and transcriptional response to nanoplastic exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 877:162863. [PMID: 36931509 DOI: 10.1016/j.scitotenv.2023.162863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/10/2023] [Accepted: 03/10/2023] [Indexed: 05/06/2023]
Abstract
Nanoplastics have been widely found in the global water environment, causing plastic pollution and affecting human beings and numerous organisms. Studies involving freshwater crustacean exposure to nanoplastics, however, are limited. In this study, juvenile prawns (Macrobrachium nipponense) were exposed to 75 nm polystyrene nanoplastics at different concentrations (0, 5, 10, 20, or 40 mg/L) for a 28-d chronic exposure experiment. To study the effects of exposure to nanoplastics on hepatopancreas cell apoptosis, C-Jun N-terminal kinase (JNK) and phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit alpha (PIK3CA) genes were selected, and hepatotoxic enzyme activities and Toll pathway- and apoptosis-related gene expression were determined. For the first time, full-length Mn-JNK and Mn-PIK3CA cDNAs were cloned from M. nipponense. Homologous comparisons showed that JNK and PIK3CA had conserved functional sequences. The apoptosis rate in the high-concentration nanoplastic group (40 mg/L) was significantly higher than in the low-concentration nanoplastic (5 mg/L) and control groups (0 mg/L). The alanine aminotransferase (ALT), aspartate aminotransferase (AST), glutamyl transpeptidase (GGT) and xanthine oxidase (XOD) enzyme activities in the hepatopancreas increased with exposure to higher concentrations of nanoplastics. In addition, the levels of apoptosis- and Toll pathway-related gene expression and JNK and PIK3CA gene expression were initially increased, then decreased with exposure to higher concentrations of nanoplastics. This study showed that polystyrene nanoplastics activate toll-related pathways leading to apoptosis and hepatopancreas damage, which provides theoretical support for future aquatic toxicological research.
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Affiliation(s)
- Yiming Li
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China
| | - Xinglin Du
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Wen Li
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Qichen Jiang
- Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing 210017, China
| | - Yucong Ye
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Ying Yang
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Xingguo Liu
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China
| | - Yunlong Zhao
- School of Life Science, East China Normal University, Shanghai 200241, China.
| | - Xuan Che
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China.
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145
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Wang M, Wang WX. Selective ingestion and response by Daphnia magna to environmental challenges of microplastics. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:131864. [PMID: 37331056 DOI: 10.1016/j.jhazmat.2023.131864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/28/2023] [Accepted: 06/13/2023] [Indexed: 06/20/2023]
Abstract
Our current understandings of the effects of microplastics and nanoplastics (MNPs) on aquatic animals are predominantly based on the single types of plastic particles. In the present study, we employed the highly fluorescent MNPs that incorporated aggregation-induced emission fluorogens and investigated the selective ingestion and response of Daphnia exposed to different types of plastics at environmentally relevant concentrations simultaneously. When daphnids were exposed to a single MNP, D. magna ingested them instantly in significant amounts. However, even low concentrations of algae had a significant negative impact on the MNP uptake. Specifically, algae caused the MPs to pass through the gut faster, reduced acidification and esterase activity, and changed the distribution of MPs in the gut. In addition, we also quantified the influences of size and surface charge on the selectivity of D. magna. The daphnids selectively ingested larger and positively charged plastics. MPs effectively reduced the uptake of NP and increased its gut passage time. Aggregation of positively and negatively charged MNPs also influenced the gut distribution and increased the gut passage time. The positively charged MPs accumulated in the middle and posterior gut, while aggregation of MNPs also increased acidification and esterase activity. These findings provided fundamental knowledge on the selectivity of MNPs and the microenvironmental responses of zooplankton guts.
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Affiliation(s)
- Mengjing Wang
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong, China; Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
| | - Wen-Xiong Wang
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong, China; Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China.
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146
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Zhang P, Yuan Y, Zhang J, Wen T, Wang H, Qu C, Tan W, Xi B, Hui K, Tang J. Specific response of soil properties to microplastics pollution: A review. ENVIRONMENTAL RESEARCH 2023; 232:116427. [PMID: 37327841 DOI: 10.1016/j.envres.2023.116427] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 06/06/2023] [Accepted: 06/13/2023] [Indexed: 06/18/2023]
Abstract
The soil environment is a critical component of the global ecosystem and is essential for nutrient cycling and energy flow. Various physical, chemical, and biological processes occur in the soil and are affected by environmental factors. Soil is vulnerable to pollutants, especially emerging pollutants, such as microplastics (MPs). MPs pollution has become a significant environmental problem, and its harm to human health and the environment cannot be underestimated. However, most studies on MPs pollution have focused on marine ecosystems, estuaries, lakes, rivers, and other aquatic environments, whereas few considered the effects and hazards of MPs pollution of the soil, especially the responses of different environmental factors to MPs. In addition, when many MPs pollutants produced by agricultural activities (mulching film, organic fertilizer) and atmospheric sedimentation enter the soil environment, it will cause changes in soil pH, organic matter composition, microbial community, enzyme activity, animals and plants and other environmental factors. However, due to the complex and changeable soil environment, the heterogeneity is very strong. The changes of environmental factors may react on the migration, transformation and degradation of MPs, and there are synergistic or antagonistic interactions among different factors. Therefore, it is very important to analyze the specific effects of MPs pollution on soil properties to clarify the environmental behavior and effects of MPs. This review focuses on the source, formation, and influencing factors of MPs pollution in soil and summarizes its effect and influence degree on various soil environmental factors. The results provide research suggestions and theoretical support for preventing or controlling MPs soil pollution.
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Affiliation(s)
- Panting Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, and State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; College of Chemistry and Chemical Engineering, Xi'an Shiyou University, Xi'an, 710065, China
| | - Ying Yuan
- State Key Laboratory of Environmental Criteria and Risk Assessment, and State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Jia Zhang
- School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, 610500, China
| | - Taoyi Wen
- School of Civil Engineering, Chang'an University, Xi'an, Shaanxi, 710061, China
| | - Hui Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, and State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Chengtun Qu
- College of Chemistry and Chemical Engineering, Xi'an Shiyou University, Xi'an, 710065, China
| | - Wenbing Tan
- State Key Laboratory of Environmental Criteria and Risk Assessment, and State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Beidou Xi
- State Key Laboratory of Environmental Criteria and Risk Assessment, and State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Kunlong Hui
- State Key Laboratory of Environmental Criteria and Risk Assessment, and State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.
| | - Jun Tang
- State Key Laboratory of Environmental Criteria and Risk Assessment, and State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.
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147
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Ahmed ASS, Billah MM, Ali MM, Bhuiyan MKA, Guo L, Mohinuzzaman M, Hossain MB, Rahman MS, Islam MS, Yan M, Cai W. Microplastics in aquatic environments: A comprehensive review of toxicity, removal, and remediation strategies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 876:162414. [PMID: 36868275 DOI: 10.1016/j.scitotenv.2023.162414] [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: 12/14/2022] [Revised: 02/10/2023] [Accepted: 02/19/2023] [Indexed: 06/18/2023]
Abstract
The occurrence of microplastics (MPs) in aquatic environments has been a global concern because they are toxic and persistent and may serve as a vector for many legacies and emerging pollutants. MPs are discharged to aquatic environments from different sources, especially from wastewater plants (WWPs), causing severe impacts on aquatic organisms. This study mainly aims to review the Toxicity of MPs along with plastic additives in aquatic organisms at various trophic compartments and available remediation methods/strategies for MPs in aquatic environments. Occurrences of oxidative stress, neurotoxicity, and alterations in enzyme activity, growth, and feeding performance were identical in fish due to MPs toxicity. On the other hand, growth inhibition and ROS formation were observed in most of the microalgae species. In zooplankton, potential impacts were acceleration of premature molting, growth retardation, mortality increase, feeding behaviour, lipid accumulation, and decreased reproduction activity. MPs togather with additive contaminants could also exert some toxicological impacts on polychaete, including neurotoxicity, destabilization of the cytoskeleton, reduced feeding rate, growth, survivability and burrowing ability, weight loss, and high rate of mRNA transcription. Among different chemical and biological treatments for MPs, high removal rates have been reported for coagulation and filtration (>86.5 %), electrocoagulation (>90 %), advanced oxidation process (AOPs) (30 % to 95 %), primary sedimentation/Grit chamber (16.5 % to 58.84 %), adsorption removal technique (>95 %), magnetic filtration (78 % to 93 %), oil film extraction (>95 %), and density separation (95 % to 100 %). However, desirable extraction methods are required for large-scale research in MPs removal from aquatic environments.
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Affiliation(s)
- A S Shafiuddin Ahmed
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong; Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong.
| | - Md Masum Billah
- Inter-Departmental Research Centre for Environmental Science-CIRSA, University of Bologna, Ravenna Campus, Italy
| | - Mir Mohammad Ali
- Department of Aquaculture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
| | - Md Khurshid Alam Bhuiyan
- Department of Physical Chemistry, Faculty of Marine and Environmental Sciences, University of Cadiz, Cadiz, Spain
| | - Laodong Guo
- School of Freshwater Sciences, University of Wisconsin-Milwaukee, Milwaukee, USA
| | - Mohammad Mohinuzzaman
- Department of Environmental Science and Disaster Management, Noakhali Science and Technology University, Sonapur, Bangladesh
| | - M Belal Hossain
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Sonapur, Bangladesh; School of Engineering and Built Environment, Griffith University, Brisbane, Australia
| | - M Safiur Rahman
- Water Quality Research Laboratory, Chemistry Division, Atomic Energy Center, Atomic Energy Commission, Dhaka, Bangladesh
| | - Md Saiful Islam
- Department of Soil Science, Patuakhali Science and Technology University, Patuakhali, Bangladesh
| | - Meng Yan
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong
| | - Wenlong Cai
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong; Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong
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148
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Sparks C, Viljoen N, Hill D, Lassen J, Awe A. Characteristics and Risk Assessment of Microplastics in Water and Mussels Sampled from Cape Town Harbour and Two Oceans Aquarium, South Africa. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 110:104. [PMID: 37284892 DOI: 10.1007/s00128-023-03737-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 05/08/2023] [Indexed: 06/08/2023]
Abstract
The aim of this study was to measure the characteristics and risk assessment of microplastics (MPs) in Cape Town Harbour (CTH) and the Two Oceans Aquarium (TOA) in Cape Town, South Africa from 2018 to 2020. Water and mussel MP samples were analyzed at 3 sites in CTH and TOA, respectively. Microplastics were mainly filamentous, black/grey and 1000-2000 μm in size. A total of 1778 MPs, averaging 7.50 (± 0.6 standard error of the mean, SEM) MPs/unit were recorded. Average MP concentrations were 10.3 ± 1.1 MPs/L in water and 6.27 ± 0.59 MPs/individual or, based on weight, 3.05 ± 1.09 MPs/g soft tissue wet weight in mussels. Average MPs in seawater in CTH (12.08 ± 1.3 SEM MPs/L) was significantly higher (4.61 ± 1.1 MPs/L) than inside the TOA (U = 536, p = 0.04). Various risk assessment calculations indicate that MPs in seawater poses a greater ecological risk than MPs in mussels at the sites sampled.
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Affiliation(s)
- Conrad Sparks
- Department of Conservation and Marine Sciences, Cape Peninsula University of Technology, Cape Town, South Africa.
- Centre for Sustainable Oceans, Cape Peninsula University of Technology, Cape Town, South Africa.
| | | | - Deen Hill
- Department of Conservation and Marine Sciences, Cape Peninsula University of Technology, Cape Town, South Africa
- Two Oceans Aquarium, V&A Waterfront, Cape Town, South Africa
| | - Jonathan Lassen
- Department of Conservation and Marine Sciences, Cape Peninsula University of Technology, Cape Town, South Africa
| | - Adetunji Awe
- Department of Conservation and Marine Sciences, Cape Peninsula University of Technology, Cape Town, South Africa
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149
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Bulbul M, Kumar S, Ajay K, Anoop A. Spatial distribution and characteristics of microplastics and associated contaminants from mid-altitude lake in NW Himalaya. CHEMOSPHERE 2023; 326:138415. [PMID: 36925020 DOI: 10.1016/j.chemosphere.2023.138415] [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: 11/16/2022] [Revised: 02/23/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Despite the worldwide concern over the impact of microplastics (MPs) and associated organic contaminants, the information regarding the occurrence and characteristics of these emerging class of pollutants is limited in freshwater environment. We present data on the distribution and concentration levels of MPs and phthalate esters (PAEs) from Rewalsar Lake, a shallow eutrophic lake in Northwest Himalaya. The MPs were identified in all samples, with concentration of 13-238 particles L-1 and 750 to 3020 particles kg-1 dry weight (dw) in surface water and sediments respectively. Majority of MPs were dominated by polystyrene, polyethylene, polypropylene polymers that principally occurred in the form of pellets and fragments. The MPs distribution was different among sampling sites, being more abundant to sites in the proximity of domestic sewage effluents and high level of religious and tourist activities. The di-isobutyl phthalate, dibutyl phthalate (DBP) and its branched isomer, di(2-ethylhexyl) phthalate (DEHP) are the identified PAE congeners in sediments, and the measured total concentrations of Σ3PAE ranged from 1.69 μg/g to 4.03 μg/g dw. Notably, concentration values of DEHP were higher as compared to other detected phthalates, and exceeded recommended environmental risk limit. The findings of this study emphasize the requirement for proper waste management measures in the region to reduce entry of these pollutants into the ecosystem. Further, this work contributes to the understanding of MPs and PAEs potential contamination profiles and sources in freshwater environments, and provides valuable information for future management decisions.
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Affiliation(s)
- Mehta Bulbul
- Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, 140306, India
| | - Sunil Kumar
- Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, 140306, India
| | - Kumar Ajay
- Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, 140306, India
| | - Ambili Anoop
- Department of Earth and Environmental Sciences, Indian Institute of Science Education and Research Mohali, Sector 81, 140306, India.
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150
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Zhang YH, Gao RY, Wang ZJ, Shao QQ, Hu YW, Jia HB, Liu XJ, Dong FQ, Fu LM, Zhang JP. Daphnia magna uptake and excretion of luminescence-labelled polystyrene nanoparticle as visualized by high sensitivity real-time optical imaging. CHEMOSPHERE 2023; 326:138341. [PMID: 36925008 DOI: 10.1016/j.chemosphere.2023.138341] [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: 09/29/2022] [Revised: 02/15/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
The environmental and ecological consequences of nanoplastics (NPs) draw increasing research interests and social concerns. However, the in situ and real-time detection of NPs from living organisms and transferring media remains as a major technical obstacle for scientific investigation. Herein we report a novel time-gated imaging (TGI) strategy capable of real-time visualizing the intake of NPs by an individual living organism, which is based on the polystyrene NPs labelled with lanthanide up-conversion luminescence. The limit of detection (LOD) of the TGI apparatus was 600 pg (SNR = 3) in a field of view of 2.4 × 3.8 mm. Taking Daphnia magna as the aquatic model, we investigated the dynamics of uptake and accumulation of NPs (500 μg/L) for 24 h, and the subsequent excretion process (in clean medium) for 48 h, and quantitively analyzed the distribution and the overall mass of NPs deposited in D. magna. The uptake of NPs via filter-feeding occurred in a few minutes, whereas a longer accumulation was found, in a timescale of several hours. And similar behaviors (bi-phase elimination) were also seen in the excretion, indicating the migration of NPs into the circulatory system. The average mass of NPs accumulated in an individual D. magna was ∼12 ng after 24 h exposure, indicating that D. magna as a filter feeder tends to retain NPs. The observed NPs accumulation in D. magna exemplifies the potential risk of aquatic ecosystem on exposure to NP contamination.
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Affiliation(s)
- Yu-Hang Zhang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Rong-Yao Gao
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Ze-Jun Wang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Qian-Qian Shao
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Ya-Wen Hu
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Hua-Bing Jia
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Xiao-Jing Liu
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Feng-Qin Dong
- The Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
| | - Li-Min Fu
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China.
| | - Jian-Ping Zhang
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing, 100872, China
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