中文摘要：

<正>Over the past decade,products based on nanotechnology and nanomaterials have created a fast-growing consumer market（http://www.nanotechproject.org/）.Over 1827 consumer products have reached the supermarkets and millions of customers.At least about 39different nanomaterials were found in these products,such as those made from metals（Ag,Ti,Zn,Au）,metal oxides（TiO2,Fe2O3,ZnO）,carbonaceous（carbon,CNTs,fullerenes,graphene）