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A Window of Opportunity: Designing Carbon Nanomaterials for Environmental Safety and Health

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Abstract:

Carbon nanomaterials are among the best known and most promising products of the nanotechnology movement. Some early studies suggest that fullerenes and nanotubes may pose significant health risks, and this has given rise to an emerging literature on carbon nanotoxicology. This young field has now begun to yield insight into toxicity mechanisms and the specific material features involved in those mechanisms. This paper explores the potential to alter those material features through post-processing or reformulation with the goal of reducing or eliminating carbon nanomaterial health risks. The paper emphasizes the important roles of metal content and bioavailability, carbon surface chemistry, and nanomaterial aggregation state. The nanotechnology movement has been given a unique "window of opportunity" to systematically investigate the toxicity of nanotechnology products and to develop ways to manage health risks before large scale manufacturing becomes widespread.

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Periodical:

Materials Science Forum (Volumes 544-545)

Pages:

511-516

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.544-545.511

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Online since:

May 2007

Authors:

Lin Guo, Xin Yuan Liu, Vanesa Sanchez, Charles Vaslet, Agnes B. Kane, Robert H. Hurt

Keywords:

Carbon Nanotube (CN), Fullerene, Purification, Surface Chemistry, Toxicity

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