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|Title:||Nanomaterials should be defined|
|Citation:||NATURE vol. 476 no. 7361 p. 399|
|Publisher:||NATURE PUBLISHING GROUP|
|Type:||Articles in periodicals and books|
|Abstract:||In response to the comment 'Don't define nanomaterials' of A. Maynard, we argue, that there is a need for a definition of nanomaterial, more specifically “particulate nanomaterial”, that can be used in a regulatory framework. Such a definition should not seek to identify hazardous materials, but should assist industry and regulators in identifying where specific safety assessments might be necessary. A clear definition will benefit industry, where clear and simple rules are preferred over uncertainty, as well as the general public, by providing the legal basis for the labelling of products that contain particulate nanomaterial, thus facilitating consumer choice. As size is the common factor that modifies the properties of nanomaterials, we consider that a comprehensive definition of nanomaterials should be based on size alone. The setting of the actual boundaries of such a definition will require a degree of expert judgment, and probably will need to be complemented by explicit or implicit lists or rules for inclusion or exclusion of some materials, in order to avoid that some materials of concern are not covered, or too much attention is given to irrelevant ones.|
|JRC Institute:||Institute for Health and Consumer Protection|
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