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Article
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AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button.
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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Metabolomics-based analysis in Daphnia magna after exposure to low environmental concentrations of polystyrene nanoparticles
Environmental Science Nano
2023
3 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Egle Kelpsiene,
Tommy Cedervall,
Anders Malmendal
Summary
Daphnia magna exposed to low environmental concentrations of polystyrene nanoplastics (as low as 3.2 micrograms per liter) showed significant metabolic disruptions detectable by metabolomics analysis. Carboxylate-functionalized particles caused distinct metabolic responses compared to amine-functionalized particles, suggesting surface chemistry drives differential toxicity.
Particles used in the study: 53 nm PS-NH 2 and 62 nm PS-COOH. Significant metabolic responses at: 3.2 μg L −1 PS NPs.