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The emerging field of nanotechnology has created risk for environment and human health. Nanoparticles are not a recent discovery. It has existed for many years. Today synthesis of nanoparticles takes place for many applications in various field of science, technology, medicine, colloid technologies, diagnostics, drug delivery, health impacts, food, personal care applications etc. In spite of this, toxicology of nanoparticles is poorly understood as there are no sufficient methods to test nanoparticles for health, safety and environmental impacts, especially in the size range lower than 50nm.
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Vishwakarma et al. (2010) studied this question.
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