News tagged with reactive oxygen
Scientists reveal how females store sperm for decades
(PhysOrg.com) -- Scientists have discovered that all sorts of females – from birds to reptiles to insects – have a nifty trick to prolong the lifespan of sperm, letting them store it for weeks, months ...
Jan 26, 2012 |
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Replacing hydrogen in fluorescent dyes improves detection ability, stability and shelf life
By swapping out one specific hydrogen atom for an isotope twice as heavy, researchers have increased the shelf life and detection ability of fluorescent probes that are essential to studying a variety of inflammatory ...
Jul 20, 2010 |
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Thioketal nanoparticles: Researchers develop oral delivery system to treat inflammatory bowel diseases
(PhysOrg.com) -- Researchers at the Georgia Institute of Technology and Emory University have developed a novel approach for delivering small bits of genetic material into the body to improve the treatment ...
Nanotechnology / Bio & Medicine
Oct 10, 2010 |
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Fuel cells get up to speed with a new kind of platinum
A new form of platinum that could be used to make cheaper, more efficient fuel cells has been created by researchers at the Department of Energy's SLAC National Accelerator Laboratory and the University of ...
Apr 26, 2010 |
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Neural stem cells maintain high levels of reactive oxygen species, study finds
For years, the majority of research on reactive oxygen species (ROS) – ions or very small molecules that include free radicals – has focused on how they damage cell structure and their potential link to stroke, ...
Jan 06, 2011 |
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Size matters in crucial redox reactions
(PhysOrg.com) -- Particle size has a far more dramatic impact on chemical reactivity than previously thought, according to new research from UC Davis. The results have implications for understanding a wide range of vital ...
Oct 12, 2010 |
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Copper iodide nanoparticles effective against 2009 pandemic H1N1 influenza virus
Copper-iodide nanoparticles have long-lasting antiviral activity against the 2009 pandemic H1N1 influenza virus, according to a paper in the February issue of the journal Applied and Environmental Microbiology.
Nanotechnology / Bio & Medicine
Feb 15, 2012 |
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Nanotechnology: A dead end for plant cells?
Using particles that are 1/100,000 the width of a human hair to deliver drugs to cells or assist plants in fighting off pests may sound like something out of a science fiction movie, but these scenarios may be a common occurrence ...
Nanotechnology / Bio & Medicine
Nov 16, 2010 |
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Researchers show new antioxidant could help treat cardiovascular disease
(PhysOrg.com) -- Researchers at the University of Glasgow believe they have found a potential new treatment for cardiovascular disease which reduces blood pressure.
Medicine & Health / Medical research
Jun 29, 2009 |
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Pathogen protection and virulence: Dark side of fungal membrane protein revealed
Researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech and Montana State University have discovered a fungal protein that plays a key role in causing disease in plants and animals and which also shields ...
Nov 06, 2009 |
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Zero in on ozone with fluorescent solution that detects harmful molecule in air and body
Researchers at the University of Pittsburgh have developed a fluorescent substance that glows bright green when exposed to even minute amounts of ozone in the air and in biological samples such as human lung cells. A molecule ...
Chemistry / Analytical Chemistry
Jun 22, 2009 |
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Good housekeeping maintains a healthy liver
Differences in the levels of two key metabolic enzymes may explain why some people are more susceptible to liver damage, according to a study in the October 17 issue of the Journal of Cell Biology.
Oct 17, 2011 |
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The hidden danger of oxygen
(PhysOrg.com) -- New findings from German researchers at the Max Planck Institute for Chemistry and the Paul Scherrer Institute in Switzerland help to explain how toxic and allergy-causing substances in our ...
Feb 21, 2011 |
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Antioxidants cause fertility problems in females: study
Antioxidants are sold over the counter everywhere. They're added to food, drink and face cream. But according to Prof. Nava Dekel of the Biological Regulation Department, we still don't have a complete understanding of how ...
Medicine & Health / Medical research
Jan 18, 2011 |
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Scientists find key mechanism of childhood respiratory disease
Researchers have identified a critical part of the process by which one of the world's most common and dangerous early childhood infections, respiratory syncytial virus, causes disease.
Medicine & Health / Medical research
Mar 07, 2011 |
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