(Phys.org) —Iron is a critical part of many biological processes; however, it is often not biologically available or it can be toxic in high quantities. So, biological systems have developed intricate methods ...
May 14, 2013
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(PhysOrg.com) -- DNA is not merely a carrier of genetic information; DNA is a useful building material for nanoscale structures. In a way similar to origami, the Japanese art of paper folding, a long single ...
Feb 02, 2012
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More than half of all cases of dementia in the elderly can be attributed to Alzheimer's disease. Despite vast research efforts, an effective therapy has not been developed, and treatment consists of dealing with the symptoms. ...
Jan 12, 2012
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Accidental damage to thin or buried nerves during surgery can have severe consequences, from chronic pain to permanent paralysis. Scientists at the University of California, San Diego School of Medicine may have found a remedy: ...
Feb 06, 2011
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Scientists continuing to investigate a 50 year mystery have discovered another vital clue that could help pave the way for improved medicines. The results feature in a special edition of Nature celebrating the International Year o ...
Feb 04, 2011
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(PhysOrg.com) -- Growing human embryonic stem cells in the lab is no small feat. Culturing the finicky, shape-shifting cells is labor intensive and, in some ways, more art than exact science.
Nov 14, 2010
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After decades of dreaming the drug developer's impossible dream, scientists finally are reporting progress in making drugs that target the "untouchables" among the body's key players in health and disease. They are the hundreds ...
Aug 23, 2010
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Walter and Eliza Hall Institute scientists have identified the three protein fragments that make gluten - the main protein in wheat, rye and barley - toxic to people with coeliac disease.
Jul 21, 2010
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An Arizona State University graduate student, Jinglin Fu, in collaboration with Biodesign Institute researchers Neal Woodbury and Stephen Albert Johnston, has pioneered a technique that improves on scientists' ability to ...
May 10, 2010
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Older adults with low scores on tests of cognitive function, including thinking, learning and memory appear more likely to have the early stages of the eye disease age-related macular degeneration, according to a report in ...
May 11, 2009
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Investigators at Burnham Institute for Medical Research (Burnham) have demonstrated that attacks on the mitochondrial protein Drp1 by the free radical nitric oxide—which causes a chemical reaction called S-nitrosylation—mediates ...
Apr 02, 2009
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Alzheimer's disease causes misfolding and aggregation of a protein fragment known as amyloid beta and its deposition as plaques in the brain. This process triggers a cascade of event that leads to neurodegeneration. A new ...
Mar 12, 2009
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Researchers at Washington University School of Medicine in St. Louis have linked a potential indicator of Alzheimer's disease to brain damage in humans with no signs of mental impairment.
Mar 10, 2009
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Another reason not to eat pate de foie gras is discussed by Michael Greger of The Humane Society of the United States, Washington DC in a forthcoming issue of the International Journal of Food Safety, Nutrition and Public Health. ...
Feb 10, 2009
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