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A nanomaterial has at least one dimension in the nanometre scale of approximately 1 to 100 nm. Because of their very small size, nanostructures have different physicochemical properties, compared to the same materials on the macro scale. Engineered nanoparticles (ENPs) are deliberately produced by man using many different materials, such as metals: Ag, Zn, Au, Ni, Fe, and Cu; metal oxides: TiO2, Fe...
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