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Health and Environmental Implications of Engineered Nanoparticles K.D. Ausman Center for Biological and Environmental Nanotechnology, Rice University, Houston, TX, USA
Engineered nanoparticles have recently become commercialized in a number of consumer products, and the types that are being produced in large-scale quantities are increasing dramatically. However, the biological and ecological impacts of these nanoparticles have only begun to be explored experimentally. The public perception, public policy, regulatory, and commercialization issues surrounding this technical area will be discussed. The general approach being employed to address these issues at Rice University's Center for Biological and Environmental Nanotechnology will be described. Buckminsterfullerene, a model hydrophobic nanomaterial, has been found to form a water-soluble nanocrystalline colloid in environmentally relevant concentrations upon contact with water. The interactions of these nanocrystallites with Gram-type positive and Gram-type negative bacteria, tissue cultures, and other organisms will be presented.
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Presented at the International Congress
of Nanotechnology, November 7-10, 2004 San Francisco, USA
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