Daily non-political popular news in brief.

Magnetic system could be key to surgery without scars

03-26-2007 · EurekAlert!

Physicians at UT Southwestern Medical Center and engineers at UT Arlington have collaborated to invent a groundbreaking system that could be key to delivering on the promise of surgery without scars.

Keywords: magnetic, system, key, surgery, scars, scar

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Key Function Of Nervous System Enzyme Found; Impact On Drug Development Against Alzheimer's
09-29-2006 · ScienceDaily
Ever since scientists first elucidated the molecular mechanisms underlying the pathology and loss of nerve cells in Alzheimer's disease, drug companies have been working to develop drugs which will inhibit the outbreak of this severe form of dementia. Now researchers in Munich and Berlin (Germany) have discovered that an enyzme which has a central causal role in Alzheimer's disease happens also to have a key function in the normal development of the nervous system. This enzyme, beta-secretase or BACE1, ensures that nerve fibers (axons) are adequately isolated with sheaths of myelin, enabling rapid conduction of electrical impulses, as well as preventing short-circuits, akin to plastic insulation on electrical wires.
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Enzyme critical for early growth of abdominal aortic aneurysms
02-13-2007 · EurekAlert!
Surgery is the only treatment for an abdominal aortic aneurysm, a weak spot in the body's main artery that dilates dangerously over time. If the vessel ruptures suddenly before surgery to repair it, a quick death is virtually certain. Now, scientists say they have identified a key enzyme that triggers chronic inflammation in the aorta and promotes the growth of aneurysms. Their finding raises hopes for developing a drug that could prevent small aneurysms from enlarging to the point where surgery is necessary.
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Cluster opens a new window on 'magnetic reconnection' in the near-Earth space
03-12-2007 · European Space Agency (ESA)
Plasma physicists have made an unprecedented measurement in their study of the Earth's magnetic field. Thanks to ESA's Cluster satellites they detected an electric field thought to be a key element in the process of 'magnetic reconnection'.
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Studies find stable sleep patterns and regular routines may improve outcomes in bipolar disorder
12-08-2007 · EurekAlert!
Bipolar disorder, commonly known as manic-depressive disorder, is highly influenced by the circadian system -- the body's internal clock -- and a specific kind of psychotherapy may help decrease irregularities in the circadian system that can trigger key symptoms of bipolar disorder, according to a study presented today at the American College of Neuropsychopharmacology Annual Meeting.
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Physicists tailor magnetic pairings in nanoscale semiconductors
03-13-2007 · EurekAlert!
In the March 8 issue of Nature, researchers at Stanford, Harvard and Israel's Weizmann Institute of Science reported that they have built a two-channel Kondo system in a semiconductor nanostructure. By applying voltages to nanoscale electrodes, the scientists can tune how strongly the magnetic atom couples to one set of electrons, or channel, compared to the other set.
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Imaging neural progenitor cells in the living human brain
11-08-2007 · EurekAlert!
For the first time, investigators have identified a way to detect neural progenitor cells, which can develop into neurons and other nervous system cells, in the living human brain using a type of imaging called magnetic resonance spectroscopy. The finding, supported by the National Institutes of Health, may lead to improved diagnosis and treatment for depression, Parkinson's disease, brain tumors, and a host of other disorders.
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Skin care: new research into scar-free healing
01-21-2008 · EurekAlert!
New research from the University of Bristol shows that by suppressing one of the genes that normally switches on in wound cells, wounds can heal faster and reduce scarring. This has major implications not just for wound victims but also for people who suffer organ tissue damage through illness or abdominal surgery.
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Receivers key to Galileo success
10-26-2006 · European Space Agency (ESA)
Europe's navigation system requires new receiver designs to make use of the transmissions from its satellite constellation. European industry is developing and supplying receivers for the in-orbit validation of the system.
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Scientists discover key to manipulating fat
07-01-2007 · EurekAlert!
In what they call a "stunning research advance," investigators at Georgetown University Medical Center have been able to use simple, nontoxic chemical injections to add and remove fat in targeted areas on the bodies of laboratory animals. They say the discovery, published online in Nature Medicine on July 1, could revolutionize human cosmetic and reconstructive plastic surgery and treatment of diseases associated with human obesity.
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Nanoscale blasting adjusts resistance in magnetic sensors
08-16-2007 · EurekAlert!
A new NIST process for adjusting the resistance of semiconductor devices by blanketing a layer of the device with tiny pits may be the key to a new class of magnetic sensors, enabling new, ultra-dense data storage devices.
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