(PhysOrg.com) -- Many physical and chemical processes necessary for biology and chemistry occur at the interface of water and solid surfaces. Researchers at Los Alamos National Laboratory publishing in Nature Nanotechnology ...
Nanomaterials
Jan 11, 2012
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(PhysOrg.com) -- Studying chemical modifications in the chromosomes of cells is akin to searching for changes in coiled spaghetti. Scientists at Cornell have figured out how to stretch out tangled strands of DNA from chromosomes, ...
Analytical Chemistry
Oct 31, 2011
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Lianas whose stabilization rings of woody cells heal spontaneously after suffering damage serve as a natural example to bionic experts of self-repairing membranes. Empa researchers have borrowed this trick from nature and ...
Engineering
Sep 23, 2011
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It's a bit of a challenge. But, imagine a microscopic jet vacuum cleaner, the size of a pen nib that hovers over cell surfaces without ever touching them. Then imagine that the soap in the cleaning solution is replaced with ...
Biotechnology
Sep 20, 2011
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Salt is essential to human life. Most people don't know, however, that salt -- in a form nearly the same as the simple table variety -- is just as essential to Earth's ocean, serving as a critical driver of key ocean processes. ...
Earth Sciences
Jun 3, 2011
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With its promise of superfast computers and ultrapowerful optical microscopes among the many possibilities, plasmonics has become one of the hottest fields in high-technology. However, to date plasmonic properties have been ...
Nanophysics
Apr 18, 2011
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Electron microscopes use focussed electron beams to make extremely small objects visible. By combining the instrument with a gas-injection system material samples can be manipulated and surface structures measuring only nanometres ...
Nanophysics
Apr 13, 2011
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Michael Frohman, M.D., Ph.D., Chair of the Department of Pharmacological Sciences at Stony Brook University School of Medicine, and colleagues, have discovered a new role for mitochondria during ribonucleic acid (RNA) processing. ...
Cell & Microbiology
Mar 16, 2011
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(PhysOrg.com) -- Surface tension isn't a very powerful force, but it matters for small things — water bugs, paint, and, it turns out, nanowires.
Nanophysics
Jul 21, 2010
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(PhysOrg.com) -- A protein complex, which is an important link in a cellular transport chain, also initiates the assembly of the next link in the chain. This newly-won insight will now allow a better understanding of a transport ...
Cell & Microbiology
May 25, 2010
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