Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used molecular dynamics flexible ...
Cell & Microbiology
Nov 23, 2009
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(PhysOrg.com) -- Recently, at Arizona State University’s Biodesign Institute, N.J. Tao and collaborators have found a way to make a key electrical component on a phenomenally tiny scale. Their single-molecule diode is described ...
Nanophysics
Oct 22, 2009
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On Monday 12th October, a team of scientists from the University of Bath became the first researchers to use the UK’s national synchrotron facility’s latest experimental station (I07). Designed for investigating the structure ...
Analytical Chemistry
Oct 15, 2009
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The molecular architecture of a protein complex that helps determine the fate of human cells has been imaged for the first time by researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley ...
Biochemistry
Oct 13, 2009
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(PhysOrg.com) -- A team of physicists from the Stanford Synchrotron Radiation Lightsource, including graduate student David Bernstein, have made a promising discovery that a well-known synchrotron technique is applicable ...
General Physics
Oct 12, 2009
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Italian scientists suggest that we need a much more detailed toxicological approach to hazard assessment before judgement regarding the long-term safety of carbon nanotubes can be made. They outline their results in the International ...
Bio & Medicine
Sep 18, 2009
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Imagine a polka-dotted postage stamp-sized sensor that can sniff out some known poisonous gases and toxins and show the results simply by changing colors.
Biochemistry
Sep 13, 2009
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(PhysOrg.com) -- Electronic gadgetry gets tinier and more powerful all the time, but at some point, the transistors and myriad other component parts will get so little they won't work. That's because when things get really ...
Nanophysics
Aug 13, 2009
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Researchers at the University of Illinois report that a toxic molecule known to damage cells and cause disease may also play a pivotal role in bird migration. The molecule, superoxide, is proposed as a key player in the mysterious ...
Other
Jun 22, 2009
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With the human genome in hand, biochemists have cataloged the 3-D structures of thousands of proteins isolated from living cells. But one important class of proteins -- those stuck in the cell membranes -- has proven difficult ...
Biochemistry
Apr 14, 2009
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