In the search for renewable alternatives to gasoline, heavy alcohols such as isobutanol are promising candidates. Not only do they contain more energy than ethanol, but they are also more compatible with existing gasoline-based ...
Biotechnology
Feb 18, 2013
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(Phys.org)—Miniaturized laboratory-on-chip systems promise rapid, sensitive, and multiplexed detection of biological samples for medical diagnostics, drug discovery, and high-throughput screening. Using micro-fabrication ...
Nanophysics
Feb 12, 2013
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Genes that have roles in the same biological pathways change their rate of evolution in parallel, a finding that could be used to discover their functions, said a researcher at the University of Pittsburgh School of Medicine ...
Biotechnology
Feb 8, 2013
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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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It was in trying to answer a question related to the functioning of our biological clock that a team lead by Ueli Schibler, a professor at the University of Geneva (UNIGE), Switzerland, has developed a method whose applications ...
Cell & Microbiology
Jan 31, 2013
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Red coloration—historically seen as costly in vertebrates—historically seen as costly in vertebrates—might represent some physiological benefit after all, according to research published in the journal Physiological ...
Plants & Animals
Jan 28, 2013
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Over the past several years, Rong Li, Ph.D., at the Stowers Institute for Medical Research has been making crucial discoveries about the development of cell polarity—the process by which one side of a cell becomes different ...
Cell & Microbiology
Jan 22, 2013
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A research team has studied how the protein transport system of bacteria developed over time to form the system in the chloroplasts of higher plants. They explored the so-called signal recognition particles and their receptors. ...
Cell & Microbiology
Jan 15, 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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