News tagged with radical
Chemist sheds light on health benefits of garlic
A Queen's-led team has discovered the reason why garlic is so good for us.
Jan 30, 2009 |
4.7 / 5 (14) |
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Forget the antioxidants? Researchers cast doubt on role of free radicals in aging
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, ...
Biology /
Feb 17, 2009 |
4.5 / 5 (10) |
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Chocolate cuts death rate in heart attack survivors: study
Heart attack survivors who eat chocolate two or more times per week cut their risk of dying from heart disease about threefold compared to those who never touch the stuff, scientists have reported.
Medicine & Health / Medical research
Aug 13, 2009 |
4.4 / 5 (9) |
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Researchers use banned herbicide to prolong worms' life
It sounds like science fiction – Dr. Siegfried Hekimi and his student Dr. Wen Yang, researchers at McGill's Department of Biology, tested the current "free radical theory of aging" by creating mutant worms that had increased ...
Dec 08, 2010 |
4.9 / 5 (8) |
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Safeguarding genome integrity through extraordinary DNA repair
(PhysOrg.com) -- DNA is under constant attack, from internal factors like free radicals and external ones like ionizing radiation. About 10 double-strand breaks – the kind that snap both backbones of ...
Apr 19, 2011 |
4.8 / 5 (8) |
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Sunscreen ingredient may pose skin cancer risk, researchers find
(Phys.org) -- As vacationers prepare to spend time outdoors this summer, many of them will pack plenty of sunscreen in hopes it will protect their bodies from overexposure, and possibly from skin cancer. But researchers at ...
Nanotechnology / Nanomaterials
May 08, 2012 |
4.5 / 5 (8) |
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NEC goes ultra-thin with 0.3mm-thick batteries
(PhysOrg.com) -- NEC, which has been working on what is called "organic radical battery" (ORB) technology for some years, has announced its latest ORB breakthrough, the 0.3mm thick ORB. According to Geek.co ...
Technology / Energy & Green Tech
Mar 18, 2012 |
4.3 / 5 (8) |
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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 |
4.4 / 5 (7) |
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New DNA repair pathway
(PhysOrg.com) -- UC Davis researchers have found a new pathway for repairing DNA damaged by oxygen radicals. The results are published this week in the journal Proceedings of the National Academy of Sciences.
Nov 08, 2010 |
5 / 5 (6) |
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Anti-aging supplements may be best taken as mixtures, not too late in life, researchers find
(PhysOrg.com) -- Anti-aging supplements made up of mixtures might be better than single compounds at preventing decline in physical function, according to researchers at the University of Florida's Institute on Aging. In ...
Medicine & Health / Medical research
May 18, 2010 |
4.7 / 5 (6) |
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China Pearl River Delta Creating Large Amounts of Hydroxyl Radicals
A team of atmospheric scientists have published their field study findings about unusual chemical reactions taking place in the Pearl River Delta in China during 2006. The Julich Research Center's Institute ...
Jun 06, 2009 |
4.3 / 5 (6) |
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Living longer and happier
A new study from the University of Missouri may shed light on how to increase the level and quality of activity in the elderly. In the study, published in this week's edition of Public Library of Science - ONE, MU resear ...
Medicine & Health / Medical research
Aug 19, 2009 |
5 / 5 (5) |
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Flavonoids in orange juice suppress oxidative stress from high-fat, high-carb meal
Eating foods containing flavonoids -- orange juice, in this case -- along with a high-fat, high-carbohydrate fast-food meal neutralizes the oxidative and inflammatory stress generated by the unhealthy food and helps prevent ...
Mar 30, 2010 |
4.2 / 5 (6) |
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Radical predictions in polymer chemistry
Free radicals may have a bad reputation for causing ozone depletion and premature aging, but they are in fact extremely useful for making novel materials, particularly polymers. Skilled chemists can link up ...
Jan 21, 2011 |
5 / 5 (4) |
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New visible light photocatalyst kills bacteria, even after light turned off
In the battle against bacteria, researchers at the University of Illinois have developed a powerful new weapon - an enhanced photocatalytic disinfection process that uses visible light to destroy harmful bacteria and viruses, ...
Jan 19, 2010 |
4.8 / 5 (4) |
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