Mature cells can be reprogrammed to pluripotency and thus regain the ability to divide and differentiate into specialized cell types. Although these so-called induced pluripotent stem cells (iPS cells) represent a milestone ...
Cell & Microbiology
Feb 6, 2013
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When you get a cut, blood starts to flow from the wound. But very quickly, complex biochemical processes spring into action, creating a scaffolding of molecules to block the hole, and then building up an impervious clot to ...
Materials Science
Jan 9, 2013
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(Phys.org)—An EPFL team has developed a technique for spying on the inner lives of cells. For the first time, scientists have used a near-infrared, light-sensitive biocompatible molecule to mark and observe the activity ...
Biochemistry
Jan 7, 2013
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(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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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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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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(Phys.org)—Abhyudai Singh, assistant professor of electrical and computer engineering at the University of Delaware, describes a new method to understand sources of "noise" in gene-expression that create variability in ...
Biotechnology
Sep 26, 2012
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(Phys.org)—The sorcerer's apprentice started a water-carrying system, but couldn't stop it, and soon he was up to his neck in water, and trouble. Living cells have a better design: When they activate a gene, they have a ...
Cell & Microbiology
Sep 6, 2012
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Scientists may soon be able to make pest insects buzz off for good or even turn them into models for new technologies, all thanks to a tiny finding with enormous potential.
Biochemistry
Sep 21, 2011
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