News tagged with oxygen ions
How oxidative stress may help prolong life
May 29, 2009 |
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(PhysOrg.com) -- Oxidative stress has been linked to aging, cancer and other diseases in humans. Paradoxically, researchers have suggested that small exposure to oxidative conditions may actually offer protection ...
Forget the antioxidants? Researchers cast doubt on role of free radicals in aging
Biology /
Feb 17, 2009 |
4.5 / 5 (10) |
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For more than 40 years, the prevailing explanation of why we get old has been tied to what is called oxidative stress. This theory postulates that when molecules like free radicals, oxygen ions and peroxides build up in cells, ...
Oxygen Ions for Fuel Cells Get Loose at Low Temperatures
Jun 25, 2008 |
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Seeking to understand a new fuel cell material, a research team working at the National Institute of Standards and Technology (NIST), in collaboration with the University of Liverpool, has uncovered a novel ...
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Physician-scientist proves stem cells heal lungs of newborn animals
23 hours ago |
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Dr. Bernard Thébaud lives in two very different worlds. As a specialist in the Stollery Children's Hospital's Neonatal Intensive Care Unit at the Royal Alexandra Hospital, he cares for tiny babies, many of whom struggle ...
First anti-seizure drug for newborns to be developed
Medicine & Health / Medications
Nov 26, 2009 |
not rated yet |
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(PhysOrg.com) -- Researchers at the UCL Institute for Child Health are developing the first anti-seizure drug specifically for newborn babies, with the aim of reducing brain damage.
Plasma produces KO cocktail for MRSA
Nov 26, 2009 |
4.9 / 5 (12) |
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MRSA (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation as low-temperature plasma prototype devices have been developed to offer safe, quick, easy and un ...
Cells defend themselves from viruses, bacteria with armor of protein errors
Nov 25, 2009 |
5 / 5 (7) |
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When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...
Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
Nov 25, 2009 |
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When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
Sustainable Corn Production Supports Advanced Biofuel Feedstocks
Nov 25, 2009 |
3.3 / 5 (3) |
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(PhysOrg.com) -- Researchers worldwide are trying to economically convert cellulosic biomass such as corn stover into "cellulosic ethanol." But Agricultural Research Service (ARS) scientists have found that ...
Autism treatment: Risky alternative therapies have little basis in science
Nov 24, 2009 |
3 / 5 (2) |
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James Coman's son has an unusual skill. The 7-year-old, his father says, can swallow six pills at once. Diagnosed with autism as a toddler, the Chicago boy had been placed on an intense regimen of supplements and medications ...
Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)
Space & Earth / Space Exploration
Nov 24, 2009 |
4.9 / 5 (9) |
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(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...
New tool for helping pediatric heart surgery
Nov 24, 2009 |
not rated yet |
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A team of researchers at the University of California, San Diego and Stanford University has developed a way to simulate blood flow on the computer to optimize surgical designs. It is the basis of a new tool that may help ...
Abnormal cholesterol levels may raise risk of heart failure
Nov 23, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Even if you never have a heart attack, abnormal blood cholesterol levels may significantly raise your risk of heart failure, according to research reported in Circulation: Journal of the American Heart As ...
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