(Phys.org)—Using synchrotron x-ray beams to solve the molecular structures of proteins and other large biological molecules has yielded many advances in medicine, such as drug therapies for cancer. Improvements in the techniques ...
General Physics
Sep 6, 2012
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For more than a century, the use of X-rays has been a prime diagnostic tool when it comes to human health. As it turns out, X-rays also are a crucial component for studying and understanding molecules, and a new approach ...
General Physics
Nov 22, 2011
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(PhysOrg.com) -- How does one prove that the protein isolated from a 68-million-year-old dinosaur bone is not a contamination from the intervening millenia or from the lab?
Biochemistry
Jul 26, 2011
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(PhysOrg.com) -- We use a switch to turn lights off and on; however, light can also act as a switch itself, for example when molecules change their structure upon irradiation. Photoswitchable molecules are potentially interesting ...
Analytical Chemistry
Sep 9, 2010
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Berkeley Lab researchers have engineered a new class of bowtie-shaped devices that capture, filter and steer light at the nanoscale. These "nano-colorsorter" devices act as antennae to focus and sort light in tiny spaces, ...
Nanophysics
Nov 12, 2009
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