(Phys.org)—Since Edison's first bulb, heat has been a mostly undesirable byproduct of light. Now researchers at Rice University are turning light into heat at the point of need, on the nanoscale, to trigger biochemical ...
Nanomaterials
Dec 13, 2012
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The world's smallest reaction chamber, with a mixing volume measured in femtolitres (million billionths of a litre), can be used to study the kind of speedy, nanoscale biochemical reactions that take place inside individual ...
Analytical Chemistry
Dec 6, 2012
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DNA lesions are really common —about one million individual molecular lesions per cell per day— because its long strands usually have one missing base or are damaged. These lesions can stall the DNA replication process, ...
Cell & Microbiology
Dec 3, 2012
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Researchers of the Max-Born-Institute at Berlin, Germany, have observed how biomolecules transfer energy into extremely small water droplets in their environment. A water shell consisting of only 3 water molecules around ...
Materials Science
Nov 30, 2012
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Can scientists predict what happens when they introduce a change into a living system—for example, if they change the structure of a gene or administer a drug? Just as changing one letter can completely change the meaning ...
Computer Sciences
Nov 30, 2012
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(Phys.org)—The nucleic acid RNA is an essential part of the critical process by which the cells in our bodies manufacture proteins. But noncoding RNAs also exist whose sequences, while not converted into proteins, play ...
Cell & Microbiology
Nov 21, 2012
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Bacteria can talk to each other via molecules they themselves produce. The phenomenon is called quorum sensing, and is important when an infection propagates. Now, researchers at Linköping University in Sweden are showing ...
Cell & Microbiology
Nov 6, 2012
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Our master circadian clock resides in a small group of about 10'000 neurons in the brain, called the suprachiasmatic nucleus. However, similar clocks are ticking in nearly all cells of the body, as demonstrated by the group ...
Cell & Microbiology
Oct 26, 2012
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(Phys.org)—Using clusters of tiny magnetic particles about 1,000 times smaller than the width of a human hair, researchers from the UCLA Henry Samueli School of Engineering and Applied Science have shown that they can manipulate ...
Bio & Medicine
Oct 16, 2012
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Using a computational model they designed to incorporate detailed information about plants' interconnected metabolic processes, scientists at the U.S. Department of Energy's Brookhaven National Laboratory have identified ...
Biotechnology
Oct 9, 2012
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