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This study evaluated irreversible toxicity effects of gold nanoparticles (AuNPs) during the short-term (only embryonic stage) and long-term (both embryo and sac-fry stages) exposures of Japanese ricefish, Oryzias latipes (medaka) embryos and sac-fry. Embryos and sac-fry exposed to AuNPs at 8 and 15days post-fertilization exhibited mortality, developmental failure, and abnormal appearance, and sac-fry...
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