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Human Health Effects
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Toxicological effects of microplastics and heavy metals on the Daphnia magna
The Science of The Total Environment2020
184 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 55
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Wenke Yuan
Wenke Yuan
Yanfei Zhou,
Yanfei Zhou,
Yanfei Zhou,
Yanfei Zhou,
Yanfei Zhou,
Yanfei Zhou,
Yanfei Zhou,
Yuling Chen,
Yanfei Zhou,
Yanfei Zhou,
Yanfei Zhou,
Jun Wang,
Yanfei Zhou,
Xiaoning Liu,
Jun Wang,
Xiaoning Liu,
Yuling Chen,
Yuling Chen,
Yuling Chen,
Yanfei Zhou,
Wenke Yuan
Jun Wang,
Wenke Yuan
Wenke Yuan
Wenke Yuan
Wenke Yuan
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Yanfei Zhou,
Yanfei Zhou,
Yuling Chen,
Yuling Chen,
Xiaoning Liu,
Xiaoning Liu,
Xiaoning Liu,
Xiaoning Liu,
Xiaoning Liu,
Xiaoning Liu,
Xiaoning Liu,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Wenke Yuan
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Yuling Chen,
Jun Wang,
Yuling Chen,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Xiaoning Liu,
Yuling Chen,
Jun Wang,
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Yanfei Zhou,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Wenke Yuan
Wenke Yuan
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Xiaoning Liu,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Wenke Yuan
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Wenke Yuan
Summary
Researchers studied how polystyrene microplastics of two sizes adsorb heavy metals and how their combined presence affects the water flea Daphnia magna. They found that smaller microplastics had higher adsorption capacity for metals, and the combined toxicity shifted from antagonistic to additive effects as microplastic concentrations increased. The study reveals that smaller microplastics pose a greater toxicological risk when combined with heavy metals in aquatic environments.
Microplastics (MPs) are gradually spreading around the world and becoming a ubiquitous environmental contamination in aquatic environments. Due to its unique physicochemical properties, MPs are considered to be strong adsorbents for environmental pollutants and may affect their fate and toxicity in the environment. In this study, the adsorption behaviors of four typical heavy metal ions (Pb, Cu, Cd, and Ni) on two sizes of polystyrene MPs (10 μm and 50 μm) were investigated based on batch experiments, and the combined effects of heavy metals and MPs were assessed using Daphnia magna as model. The results showed that smaller MPs (SMPs) exhibited higher adsorption capacities for metal ions (0.261-0.579 mg/g) than that of the larger MPs (LMPs) (0.243-0.525 mg/g), and the affinity sequence of heavy metals on MPs is Pb > Cu > Cd > Ni. There are better admirable agreements for pseudo-second-order model and Langmuir model to fit the adsorption kinetics and adsorption isotherms, respectively. Additionally, the combined toxicity of MPs and heavy metals was negatively correlated with the adsorption capacity between them. The combined effects of mixtures toward D. magna changed from antagonism to additive effect with increasing MPs concentrations, and SMPs exhibited higher toxicological risk than LMPs. Our findings compared the accumulative effects of various heavy metals on MPs and can contribute to understanding the combined effects of plastics and heavy metals on biota.