(Phys.org) -- Cornell nanotechnology researchers have devised a new tool to study epigenetic changes in DNA that can cause cancer and other diseases: a nanoscale fluidic device that sorts and collects DNA, one molecule at ...
Bio & Medicine
May 24, 2012
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From man-made toxic chemicals such as industrial by-products to poisons that occur naturally, a water or food supply can be easily contaminated. And for every level of toxic material ingested, there is some level of bodily ...
Analytical Chemistry
May 14, 2012
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From bacteria to humans, all cells use molecules of adenosine triphosphate (ATP) as fuel to power a broad range of biochemical reactions. For example, massive multi-subunit enzymes known as V-ATPases convert ATP molecules ...
Biochemistry
Mar 16, 2012
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Working in the emerging field of systems biology, UT Southwestern Medical Center researchers mathematically predicted how bacteria that cause food poisoning hijack a cell's sense of direction and then confirmed those predictions ...
Cell & Microbiology
Mar 1, 2012
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Weizmann scientists have revealed a new kind of on-off switch in the brain for regulating the production of a main biochemical signal from the brain that stimulates cortisol release in the body.
Cell & Microbiology
Feb 23, 2012
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Biologists at the University of California, San Diego have succeeded in unraveling, for the first time, the complete chain of biochemical reactions that controls the synthesis of auxin, the hormone that regulates nearly all ...
Biotechnology
Oct 24, 2011
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The structures of many protein molecules remain unsolved even after experts apply an extensive array of approaches. An international collaboration has led to a new, high-performance method that rapidly determined the structure ...
Cell & Microbiology
May 1, 2011
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(PhysOrg.com) -- Good chemists are passive-aggressive -- they manipulate molecules without actually touching them.
Materials Science
Mar 10, 2011
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By examining the distinct wave patterns formed from complex biochemical reactions within the human body, diseased organs may be more effectively identified, says Zhengdong Cheng, associate professor in the Artie McFerrin ...
Other
Nov 16, 2010
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Researchers at the University of Calgary found that amino acid residues form a type of barrier to help in the process of electron transfer between proteins.
Biochemistry
Jun 14, 2010
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