Vicki Colvin

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Position: Director, The Center for Biological and Environmental Nanotechnology at Rice University

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Issue: The safety of nanotechnology. Do breakthroughs in nanotechnology-widely hailed for their potential in biomedicine and materials science-present unique health and environmental dangers that need to be studied?

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Personal Point of Impact: Colvin's nanochemistry group, which makes new kinds of nanoparticles, is beginning to work with toxicologists, biologists, and bioengineers to evaluate the unintended biological effects of these materials.

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