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metal oxide nanoparticles

Metal oxide nanoparticles can be composed of a variety of diverse materials, including titanium, zinc, cerium, aluminium and iron oxides. The size of such particles is integral to their exploitation, but size is also responsible for prompting concern surrounding their potential toxicity. When considering metal oxide particulates, the greatest number of available studies have focussed on revealing the toxicity of titanium dioxide (TiO2), due to its widespread exploitation.

Source: Johnston HJ, Hutchison GR, Christensen FM, Peters S, Hankin S, Stone V, 2009. Identification of the mechanisms that drive the toxicity of TiO2 particulates; the contribution of physicochemical characteristics. Part Fibre Toxicol 6:33. doi: 10.1186/1743-8977-6-33.