Foresight Nanotech Institute Weekly News Digest: May 7, 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
A special issue of the International Journal of Nanomanufacturing presenting topics on manufacturing in 3D at the nanoscale … contains a report of a nanomanipulator for the complex assembly of nanoparticles…
The nanotechnology of engineering atomic layer interfaces to produce desired properties—in this case, something called 'improper ferroelectricity'—promises a technological revolution that may be comparable to the development of modern electronics…
A new building block for structural DNA nanotechnology uses a 3-carbon glycerol molecule instead of the 5-carbon sugar deoxyribose found in DNA. To begin exploring this new DNA nanotech, the researchers made a simple four-helix junction of the type pioneered in Ned Seeman's laboratory, and found that nanostructures built from GNA not only tolerate higher temperatures than do comparable structures made with DNA, but both left-handed and right-handed four-helix junctions are obtained—something not easily done with DNA…
Nanotechnology has provided a fourth fundamental two-terminal passive element for electronic circuits—one first theoretically predicted 37 years ago, but only made physically possible by nanotechnology. Now joining resistors, capacitors and inductors is a nanotech device named the 'memristor', developed by a team led by R. Stanley Williams, who shared the 2000 Foresight Nanotech Institute Feynman Prize for Experimental work…
RNA interference (RNAi) is a way to decrease expression of a specific gene without otherwise affecting the cell, and it therefore could be a very promising treatment for a wide variety of diseases—if it could be reliably delivered into the diseased cell cytoplasm. One possible nanotech solution to this problem takes the form of a 10-fold more effective delivery of RNAi protected in nanocapsules formed by novel lipid-like molecules…
—Nanodot posts by James Lewis
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July 21-25, 2008
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