Search results for potentially toxic
Older dental fillings contain form of mercury unlikely to be toxic
Dec 09, 2009 |
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A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. It appears online in ACS' journal ...
WHO: Treat HIV patients sooner
Medicine & Health / HIV & AIDS
Nov 30, 2009 |
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(AP) -- People infected with the virus that causes AIDS should start treatment earlier than currently recommended, the World Health Organization said Monday.
'Safety valve' protects photosynthesis from too much light
Nov 25, 2009 |
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Photosynthetic organisms need to cope with a wide range of light intensities, which can change over timescales of seconds to minutes. Too much light can damage the photosynthetic machinery and cause cell death. Scientists ...
Autism treatment: Risky alternative therapies have little basis in science
Nov 24, 2009 |
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James Coman's son has an unusual skill. The 7-year-old, his father says, can swallow six pills at once. Diagnosed with autism as a toddler, the Chicago boy had been placed on an intense regimen of supplements and medications ...
Spider secrets decoded in world-first database
Nov 23, 2009 |
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(PhysOrg.com) -- Queensland scientists have developed a world-first database that catalogues the venom components from hundreds of spiders.
Braking news: Particles from car brakes harm lung cells
Nov 20, 2009 |
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Real-life particles released by car brake pads can harm lung cells in vitro. Researchers writing in BioMed Central's open access journal Particle and Fibre Toxicology found that heavy braking, as in an emergency stop, caused ...
Treating alcohol-use disorders and tuberculosis together
Nov 19, 2009 |
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The integration of alcohol screening, treatment and referral into primary care and other medical settings is not routinely done. Nor are there any studies evaluating the effectiveness of integrating care for alcohol use ...
Nanoparticles used in common household items caused genetic damage in mice
Nanotechnology / Bio & Medicine
Nov 16, 2009 |
4.8 / 5 (24) |
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Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...
Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study
Chemistry / Analytical Chemistry
Nov 11, 2009 |
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(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...
Additive copper-zinc interaction affects toxic response in soybean
Nov 10, 2009 |
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Agricultural soils accumulate trace metals, particularly copper and zinc, as a result of their presence in wastes (sewage biosolids and manures) and fungicides that are applied over long periods of time. Regulations and guidelines ...
Pathogen protection and virulence: Dark side of fungal membrane protein revealed
Nov 06, 2009 |
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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 ...
Researchers identify drug candidate for treating spinal muscular atrophy
Nov 04, 2009 |
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A chemical cousin of the common antibiotic tetracycline might be useful in treating spinal muscular atrophy (SMA), a currently incurable disease that is the leading genetic cause of death in infants. This is the finding of ...
Researchers assessing health impacts of one of the nation's largest environmental disasters
Nov 02, 2009 |
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Over nearly a century, thousands of residents and workers in Libby, MT, have been exposed to asbestos-contaminated vermiculite ore, leading to markedly higher rates of lung disease and autoimmune disorders, and causing to ...
Placental precursor stem cells require testosterone-free environment to survive
Oct 29, 2009 |
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Trophoblast stem cells (TSCs), cells found in the layer of peripheral embryonic stem cells from which the placenta is formed, are thought to exhibit "immune privilege" that aids cell survivability and is potentially beneficial ...
Bodybuilding with steroids damages kidneys
Oct 29, 2009 |
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Athletes who use anabolic steroids may gain muscle mass and strength, but they can also destroy their kidney function, according to a paper being presented at the American Society of Nephrology's 42nd Annual Meeting and Scientific ...
