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September 12th, 2005
Are the materials used in nanotechnology entirely new substances? A growing number of environmentalists think so and are urging more regulation in the production and use of nanomaterials.
(Matthew Nordan, vice president of research at the nanotechnology analysis firm Lux Research) believes that some of the areas of potential environmental hazards suggested by advocacy groups are real problems -- but also says that not all nanomaterials have the same properties or pose similar toxic risks. Most of the particles in nanomaterials are fixed or sealed into products, which make exposure unlikely, he said.
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