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KMID : 1102020190490010002
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Applied Microscopy
2019 Volume.49 No. 1 p.2 ~ p.2
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Toxicity of nanoparticles_ challenges and opportunities
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Ramanathan Amall Ahmed
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Abstract
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Nanomaterials (NMs) find widespread use in different industries that range from agriculture, food, medicine, pharmaceuticals, and electronics to cosmetics. It is the exceptional properties of these materials at the nanoscale, which make them successful as growth promoters, drug carriers, catalysts, filters and fillers, but a price must be paid via the potential toxity of these materials. The harmful effects of nanoparticles (NPs) to environment, human and animal health needs to be investigated and critically examined, to find appropriate solutions and lower the risks involved in the manufacture and use of these exotic materials. The vast number and complex interaction of NM/NPs with different biological systems implies that there is no universal toxicity mechanism or assessment method. The various challenges need to be overcome and a number of research studies have been conducted during the past decade on different NMs to explore the possible mechanisms of uptake, concentrations/dosage and toxicity levels. This review article examines critically the recent reports in this field to summarize and present opportunities for safer design using case studies from published literature.
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KEYWORD
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Ecotoxic, Nanoparticles, Safer design, Mechanisms of uptake, Risk assessment, Testing protocols
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