News tagged with mechanical stresses
Social status promotes faster wound healing in wild baboons
Turns out it's not bad being top dog, or in this case, top baboon.
May 21, 2012 |
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Researchers generate electricity from viruses
Imagine charging your phone as you walk, thanks to a paper-thin generator embedded in the sole of your shoe. This futuristic scenario is now a little closer to reality. Scientists from the U.S. Department of Energy's Lawrence ...
Nanotechnology / Bio & Medicine
May 13, 2012 |
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Magnetic testing process helps ensure reliability of microelectronic devices
(Phys.org) -- Taking advantage of the force generated by magnetic repulsion, researchers have developed a new technique for measuring the adhesion strength between thin films of materials used in microelectronic ...
Apr 12, 2012 |
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Nerve gas litmus test could sense airborne chemical weapons
(PhysOrg.com) -- Nerve gases are colorless, odorless, tasteless and deadly. While today's soldiers carry masks and other protective gear, they don't have reliable ways of knowing when they need them in time. ...
Mar 13, 2012 |
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Heart-powered pacemaker could one day eliminate battery-replacement surgery
A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.
Mar 02, 2012 |
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Stress-induced genomic instability facilitates rapid cellular adaption in yeast
Cells trying to keep pace with constantly changing environmental conditions need to strike a fine balance between maintaining their genomic integrity and allowing enough genetic flexibility to adapt to inhospitable conditions. ...
Jan 29, 2012 |
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Limited iron availability shown to exacerbate coral bleaching
(PhysOrg.com) -- It is widely held that coral bleaching occurs when temperatures and solar radiation are high, overwhelming antioxidant defenses in the algal endosymbionts and their coral hosts. Little understood ...
Aug 26, 2011 |
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Scientists pioneer nanoscale nuclear materials testing capability
Nuclear power is a major component of our nation's long-term clean-energy future, but the technology has come under increased scrutiny in the wake of Japan's recent Fukushima disaster. Indeed, many nations ...
Nanotechnology / Nanomaterials
Jun 26, 2011 |
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New measurement into biological polymer networks
(PhysOrg.com) -- The development of a new measurement technology under a research project funded by the Air Force Office of Scientific Research and the National Science Foundation is probing the structure ...
Mar 04, 2011 |
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Molecular mechanism links stress with predisposition for depression
A new study provides insight into how stress impacts the brain and may help to explain why some individuals are predisposed to depression when they experience chronic stress. The research, published by Cell Press in the January ...
Medicine & Health / Neuroscience
Jan 26, 2011 |
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Researchers develop unique combination of elements for thermal nanotape
Semiconductor Research Corporation (SRC) and researchers from Stanford University have developed a novel combination of elements that yields a unique nanostructure material for packaging. This advance should allow longer ...
Nanotechnology / Nanomaterials
Jan 24, 2011 |
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Muscle filaments make mechanical strain visible
Plastics-based materials have been in use for decades. But manufacturers are facing a serious hurdle in their quest for new developments: Substantial influences of the microscopic material structure on mechanical ...
Dec 20, 2010 |
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Understanding the human neurosystem: From the brain of a locust
In the human brain, mechanical stress -- the amount of pressure applied to a particular area -- requires a delicate balance. Just the right force keeps neurons together and functioning as a system within the ...
Medicine & Health / Neuroscience
Nov 29, 2010 |
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Turning over a new leaf
(PhysOrg.com) -- German researchers have transformed the skeleton of a leaf into iron carbide. The new technique enables the conversion of metal carbides into intricate microstructures in just one step.
Sep 20, 2010 |
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Bone cells' branches sense stimulation, when to make new bone
A long-standing question in bone biology has been answered: It is the spindly extensions of bone cells that sense mechanical stimulation and signal the release of bone-growth factors, according to research from The University ...
Medicine & Health / Medical research
Jul 20, 2010 |
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