Foresight Nanotech Institute Weekly News Digest: May 28, 2008
Discuss these news stories at http://foresight.org/nanodot.
Nominate your favorite nanotech researcher for the Feynman Prize, deadline May 31: http://www.foresight.org/prize/feynman.html
The safe commercialization of nanotech will require special attention to the manufacture and disposal of materials using carbon nanotubes. Long multiwalled carbon nanotubes (MWNT) share with asbestos fibers the property of producing inflammation and lesions when introduced into the abdominal cavity of mice. These results suggest that exposure to long carbon nanotube fibers might be as dangerous as exposure to asbestos…
In an application of nanotechnology to medicine, a nanotech material has been produced that self-assembles in the presence of bodily fluids into highly hydrated fibers that stop bleeding within 15 seconds, and which are harmlessly adsorbed by the body when no longer needed…
Arizona State University chemists have demonstrated a nanotech version of molecular self-regulation by designing a molecule that mimics the way in which plants defend themselves from an overload of sunshine by draining away the excess light energy as heat so that it can not generate destructive high energy intermediates…
Nanowires of indium phosphide grown directly on an electrode greatly increase the flow of electrons through a polymer film to the electrode. Although still at the proof of concept stage, this nanotech innovation could ultimately lead to more efficient thin-film solar cells…
A nanotech approach to overcoming the resistance of some cancer cells to radiation therapy has been successfully tested in mice…
—Nanodot posts by James Lewis
November 15-16, 2008
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July 23, 2008
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