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Nanotoxicity is the toxicity of nanomaterials. Because of the small size and large surface area of nanomaterials, these materials have unique properties compared with their larger counterparts. The nanomaterials, even when they are made of inert elements like gold, become very active at a nanometer range. This may pose a threat to the environment and to human beings. Right now, people still don't know much about nanotoxicity due to lack of knowledge about the properties of nanomaterials themselves, and about future all-around testing principles which will predict and cover the toxicological profiles.
- Nanotoxicity at Institute of Science in Society in London, UK