News tagged with radical
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 |
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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 |
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Shining light on cells' inner workings
(Phys.org) -- Lanrong Bi and Nazmiye Yapici are shining new light on the hidden processes within cells. For their groundbreaking research, Bi, an assistant professor of chemistry at Michigan Technological ...
May 16, 2012 |
5 / 5 (1) |
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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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Squeezing polymers produces chemical energy but raises doubts about implant safety
A polymer is a mesh of chains, which slowly break over time due to the pressure from ordinary wear and tear. When a polymer is squeezed, the pressure breaks chemical bonds and produces free radicals: ions with unpaired electrons, ...
Mar 02, 2012 |
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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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Aging-related degeneration caused by defects of energy metabolism in tissue stem cells?
Aging-related tissue degeneration can be caused by mitochondrial dysfunction in tissue stem cells. The research group of Professor Anu Suomalainen Wartiovaara in Helsinki University, with their collaborators in Max Planck ...
Jan 03, 2012 |
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Study presents new insight into plant immunity
Researchers have identified an important cog in the molecular machinery of plant immunity - a discovery that could help crop breeders produce disease-resistant varieties to help ensure future food security. There may also ...
Oct 02, 2011 |
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Nitrogen in the soil cleans the air
Eutrophication harms the environment in many ways. Unexpectedly, nitrogen fertilizer may also be positive for the environment. And even acidic soils, promoting the destruction of forests, can have a positive ...
Aug 19, 2011 |
4 / 5 (1) |
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Technology tethers free radicals
The science world is abuzz with news of a new platform technology developed by physicists at the University of Sydney - technology that can be used in areas as diverse as disease detection through to biofuel production.
Aug 17, 2011 |
5 / 5 (2) |
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Light unlocks fragrance in laboratory
In Anna Gudmundsdottir's laboratory at the University of Cincinnati, dedicated researchers endeavor to tame the extremely reactive chemicals known as radicals.
Aug 08, 2011 |
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Certain bacteria render mosquitoes resistant to deadly malaria parasite
cientists have identified a class of naturally occurring bacteria that can strongly inhibit malaria-causing parasites in Anopheles mosquitoes, a finding that could have implications for efforts to control malaria. The study, ...
May 12, 2011 |
5 / 5 (2) |
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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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Gene discovery suggests way to engineer fast-growing plants
(PhysOrg.com) -- Tinkering with a single gene may give perennial grasses more robust roots and speed up the timeline for creating biofuels, according to researchers at the Duke Institute for Genome Sciences ...
Nov 11, 2010 |
4.3 / 5 (3) |
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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 |
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