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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Environmental Sources Marine & Wildlife Sign in to save

Polystyrene as a vector of heavy metals in hard clam Meretrix lusoria under various salinities

Frontiers in Marine Science 2023 5 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 35 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Zuhao Zhu, Zuhao Zhu, Zuhao Zhu, Jun Wang, Sha-Yen Cheng, Minggang Cai Jun Wang, Minggang Cai Zuhao Zhu, Jun Wang, Jun Wang, Jun Wang, Jun Wang, Jun Wang, Beta Susanto Barus, Beta Susanto Barus, Beta Susanto Barus, Beta Susanto Barus, Sha-Yen Cheng, Zuhao Zhu, Zuhao Zhu, Huihua Wei, Jun Wang, Huihua Wei, Zuhao Zhu, Jun Wang, Huihua Wei, Jun Wang, Huihua Wei, Beta Susanto Barus, Kai Chen, Huihua Wei, Huihua Wei, Chih-Yang Cheuch, Minggang Cai Chih-Yang Cheuch, Chih-Yang Cheuch, Huihua Wei, Zuhao Zhu, Minggang Cai Huihua Wei, Huihua Wei, Chih-Yang Cheuch, Jun Wang, Kai Chen, Huihua Wei, Huihua Wei, Minggang Cai Huihua Wei, Zuhao Zhu, Minggang Cai Minggang Cai Huihua Wei, Jun Wang, Kai Chen, Huihua Wei, Kai Chen, Kai Chen, Kai Chen, Kai Chen, Minggang Cai Jun Wang, Jun Wang, Sha-Yen Cheng, Zuhao Zhu, Sha-Yen Cheng, Minggang Cai Kai Chen, Minggang Cai Jun Wang, Minggang Cai Minggang Cai Kai Chen, Sha-Yen Cheng, Minggang Cai Minggang Cai Jun Wang, Jun Wang, Sha-Yen Cheng, Jun Wang, Jun Wang, Huihua Wei, Jun Wang, Minggang Cai Jun Wang, Jun Wang, Jun Wang, Huihua Wei, Sha-Yen Cheng, Sha-Yen Cheng, Jun Wang, Minggang Cai Sha-Yen Cheng, Jun Wang, Jun Wang, Jun Wang, Minggang Cai Minggang Cai Jun Wang, Kai Chen, Huihua Wei, Kai Chen, Jun Wang, Minggang Cai Minggang Cai Jun Wang, Huihua Wei, Sha-Yen Cheng, Minggang Cai Jun Wang, Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai Zuhao Zhu, Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai

Summary

Researchers exposed hard clams (Meretrix lusoria) to polystyrene microplastics and heavy metals at three salinity levels, finding that clams at higher salinity (30 per mille) filtered significantly more water and accumulated more polystyrene particles and heavier metal loads, demonstrating that salinity amplifies microplastic vectoring of heavy metals into bivalves.

Polymers

Microplastics and heavy metals are the two main contaminants that are often found in aquatic environments and can lead to major issues for aquatic organisms. Polystyrene (PS) is a type of microplastic that is commonly found in aquatic environments. Hard clams are one of the organisms that are often used as a bioindicator of water pollution, and they can live in a certain salinity range. The objective of this study is to investigate the potential of PS particles as heavy metal vectors in M. lusoria influenced by differences in salinity. The result showed that the highest increase in concentrations of all heavy metals in hard clams was found in those placed at higher salinities. Hard clams that were placed at higher salinity required more water, allowing more PS particles to enter the clams’ bodies. Hard clams placed at salinity 30‰ always gathered significantly more PS particles ( p <0.05) than hard clams placed at the other two salinities (20 and 25‰). This is also corroborated by water depletion at a salinity of 30‰, which is significantly higher ( p <0.05) than the other two salinities. Our findings indicate that PS particles have the potential as vectors for heavy metal pollutants in hard clams in environments of varying salinity.

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