News tagged with harmful free radicals
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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Iron induces death in tumor cells
Rapid growth of cancer cells and their frequent divisions have their price: Cancer cells need considerably more energy than healthy cells. Their metabolism runs at full speed and requires large amounts of micronutrients, ...
Mar 11, 2009 |
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Search results for harmful free radicals
Legislation to ban burqa is liberal overkill, UK researchers claim
Banning and criminalising the Muslim face veil tests the very foundations of modern liberal society, warn researchers from Queen Mary, University of London and the University of Sussex.
Other Sciences / Social Sciences
May 11, 2012 |
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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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Discovery of earliest life forms' operation promises new therapies for key diseases
Bacteria provide a well-known playground for scientists and the evolution of these earliest life forms has shed important perspective on potential therapies for some of the most common, deadly diseases. Researchers at Case ...
Apr 26, 2012 |
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Avocado oil: The 'olive oil of the Americas'?
Atmospheric oxygen facilitated the evolution and complexity of terrestrial organisms, including human beings, because it allowed nutrients to be used more efficiently by those organisms, which in turn were able to generate ...
Apr 23, 2012 |
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Athletic frogs have faster-changing genomes
Physically fit frogs have faster-changing genomes, says a new study of poison frogs from Central and South America.
Apr 12, 2012 |
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Toxins from diseased brain cells make diseases of the brain even worse
Sometimes our immune defence attacks our own cells. When this happens in the brain we see neurodegenerative diseases such as dementia, Alzheimer's and Parkinson's disease. But if the the immune defence is inhibited, the results ...
Feb 22, 2012 |
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Chemists reveal how algae delete unwanted 'competitors'
Every morning when the sun comes up, the ocean ground is radically cleaned. As soon as the first rays of sunlight find their way into the water, the microalgae "Nitzschia cf pellucida" start their deadly 'morning ...
Jan 30, 2012 |
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The public debate on climate change
Even after years of scientific research that points to how human activity is causing climate change, pundits, policymakers and the general public are still debating the issue.
Oct 17, 2011 |
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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 |
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Worm study yields insights on humans, parasites and iron deficiency
Using a tiny bloodless worm, University of Maryland Associate Professor Iqbal Hamza and his team have discovered a large piece in the puzzle of how humans, and other organisms safely move iron around in the ...
May 26, 2011 |
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List of search results for harmful free radicals
