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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Human Health Effects
Nanoplastics
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Sublethal impacts of fragmented polyethylene nanoplastics on Daphnia magna following chronic exposure
Environmental Science Advances
2026
Score: 50
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Jinyoung Song,
In Young Kim,
Seonae Hwangbo,
Tae Geol Lee,
J. Park
Summary
Researchers exposed Daphnia magna (water fleas) to fragmented polyethylene nanoplastics over a chronic period and observed adverse sublethal effects. The study suggests that even at concentrations that do not cause outright mortality, fragmented nanoplastics from real-world polyethylene degradation can impair the health and function of these important freshwater organisms.
High concentrations of fragmented polyethylene (PE) nanoplastics showed adverse sublethal impacts in Daphnia magna .