Foresight Nanotech Institute Weekly News Digest: June 11, 2008
Discuss these news stories at http://foresight.org/nanodot.
Nominate your favorite nanotech researcher for the Feynman Prize, deadline June 15: http://www.foresight.org/prize/feynman.html
One goal of nanotechnology is to implement machine parts with atomically precise components. Adding to the list of mechanical components that have been demonstrated on the molecular scale, Taiwanese researchers have constructed a molecule in which exposure to light causes the molecule to change shape so that rotation of one part of the molecule with respect to another part can no longer occur…
In yet another step toward making nanotech transistors from graphene nanoribbons, chemically-prepared graphene nanoribbons less than 10 nm wide were found to be uniformly semiconducting, room-temperature, field-effect transistors…
Two researchers were rewarded with the 2008 Kavli Prize in Nanoscience for their pioneering discoveries of quantum dots and carbon nanotubes, two of the most exciting and promising nanotech materials…
A major advantage of nanotech drug delivery is that multiple drug molecules can be combined on one nanoparticle so that one nanoparticle binds more strongly to the drug target than would the isolated drug molecules. Attaching 12 molecules of an HIV drug to a 2.0 nm diameter gold nanoparticle enabled the drug to prevent HIV infection in cultured patient cells…
The same nanotech approaches being explored to deliver drugs exactly to the cells where they are needed also provide a technology base that might lead to permanent enhancements of human metabolism…
—Nanodot posts by James Lewis
November 15-16, 2008
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July 23, 2008
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