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Mechanical fragmentation and residence dynamics of textile polyester microplastics in a freshwater bivalve
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This study examined how freshwater bivalves mechanically fragment and process textile polyester microplastic fibers, tracking fiber depuration through fecal output over time in a bioaccumulation experiment. Understanding how bivalves interact with textile microplastics is critical for assessing their role as bioindicators and quantifying microplastic transfer through freshwater food chains.
Photos: Textile polyester microplastics offered to freshwater bivalves in a bioaccumulation study. These photos show the depuration of the fibers found in the feces over the days.
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Mechanical fragmentation and residence dynamics of textile polyester microplastics in a freshwater bivalve
AI summary Read the abstract
This study examined how freshwater bivalves mechanically fragment and process textile polyester microplastic fibers, tracking fiber depuration through fecal output over time in a bioaccumulation experiment. Understanding how bivalves interact with textile microplastics is critical for assessing their role as bioindicators and quantifying microplastic transfer through freshwater food chains.
Contamination, Uptake and Elimination of Microplastics in Freshwater Mussels
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This study examined the contamination, uptake, and elimination of microplastics in freshwater mussels, extending findings from marine systems to freshwater filter feeders. The research provides baseline data on how microplastics accumulate in freshwater bivalves, which are important bioindicators and food sources.
C18 | Assessment of bioaccumulation and depuration of PET microfibres in specimens of Mytilus galloprovincialis: preliminary study
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Researchers exposed Mediterranean mussels (Mytilus galloprovincialis) to varying concentrations of PET microfibers under controlled conditions and measured accumulation and depuration over time. The preliminary study found concentration-dependent accumulation with incomplete depuration, raising questions about residual MP burden in farmed bivalves intended for consumption.
Impact of textile microfiber ingestion on the tissue integrity of the mangrove oyster Crassostrea gasar.
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Researchers exposed mangrove oysters to four textile microfiber types — including polyester and organic cotton — and found that polyester accumulated most heavily in the digestive gland, while all fiber types caused significant gill tissue atrophy, mucocyte proliferation, and histological lesions within 21 days, indicating that fiber composition and concentration both drive structural damage in bivalves.
Uptake and effects of microplastic textile fibers on freshwater crustacean Daphnia magna
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Researchers exposed the freshwater crustacean Daphnia magna to ground PET textile microfibers for 48 hours and found that fiber ingestion increased mortality in food-deprived organisms and that daphnids could not recover after transfer to clean water, providing the first evidence of PET textile microfiber bioavailability and toxicity in a standard ecotoxicology model.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.