Abstract
Despite nanotechnology's rapid growth and early acceptance, the health risks of prolonged exposure at varied concentrations in individuals and the environment have yet to be investigated. Due to nanomaterial use, many nanoscale products enter aquatic habitats, affecting ecosystems and human health. Nanomaterials' environmental impacts will increase. Ceramics, sunscreens, and hair care products use ZnO nanoparticles. Zinc oxide nanoparticles (ZnO NPs) may enter aquatic ecosystems, generating concerns regarding their effects on aquatic animals. This study examined how ZnO NPs affected common carp (Cyprinus carpio) diets. Toxicological studies reveal ZnO NPs harm humans and the environment. Thus, ZnO nanoparticles must be characterized for consumer and environmental health and safety. This study aims to determine ZnO nanoparticles' acute toxicity (LC50) and gill histopathology in Cyprinus carpio. 3500 mg/L ZnO nanoparticles kill C. carpio at 50%. In this work, sub-lethal Zinc Oxide nanoparticle exposure for 21 days affects the ovary, liver, and kidneys.
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