News tagged with concentrations
Don't block folic acid in early pregnancy
Oct 13, 2009 |
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Using medication that reduces or blocks the actions of folic acid during the first trimester of pregnancy (weeks 1-12), increases the risk that the growing baby will develop abnormalities. This conclusion was reached by a ...
NASA Satellite Data Show Progress of 2009 Antarctic Ozone Hole (w/ Video)
Space & Earth / Earth Sciences
Sep 16, 2009 |
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(PhysOrg.com) -- The annual ozone hole has started developing over the South Pole, and it appears that it will be comparable to ozone depletions over the past decade. This composite image from September 10 ...
The first global map of ammonia emissions measured from space
Space & Earth / Earth Sciences
Jun 24, 2009 |
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(PhysOrg.com) -- The first complete map of global ammonia emissions has recently been achieved using to satellite data. It reveals an underestimation of some of the ammonia concentrations detected by current ...
Pavement sealcoat a source of toxins in stormwater runoff
Apr 08, 2009 |
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Driveways and parking lots may look better with a layer of sealcoat applied to the pavement, but the water running off the surface into nearby streams will be carrying more than just oxygen and hydrogen molecules. ...
Tools for more accurate dosage of drugs against HIV/AIDS and malaria
Mar 06, 2009 |
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A doctoral thesis presented at the Sahlgrenska Academy, University of Gothenburg, Sweden, shows that it is possible to describe and quantify the relationships between dose, concentration and effectiveness of several drugs ...
Pesticide concentrations decreasing
Oct 20, 2008 |
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The widespread use of pesticides across the United States has been in practice for decades, with little knowledge of the long-term effects on the nation's groundwater.
Nitrate concentrations of ground water increasing in many areas of the United States
Sep 17, 2008 |
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Nitrate is the most common chemical contaminant in the world's ground water, including in aquifers used for drinking-water supply. Nitrate in drinking water of the United States is regulated by the U.S. Environmental Protection ...
Higher urinary levels of commonly used chemical, BPA, linked with cardiovascular disease, diabetes
Sep 16, 2008 |
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Higher levels of urinary Bisphenol A (BPA), a chemical compound commonly used in plastic packaging for food and beverages, is associated with cardiovascular disease, type 2 diabetes and liver-enzyme abnormalities, according ...
Soy foods are associated with lower sperm concentrations
Jul 24, 2008 |
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Men who eat an average of half a serving of soy food a day have lower concentrations of sperm than men who do not eat soy foods, according to research published online in Europe's leading reproductive medicine journal, Human Re ...
Watermelon may have Viagra-effect
Jun 30, 2008 |
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A cold slice of watermelon has long been a Fourth of July holiday staple. But according to recent studies, the juicy fruit may be better suited for Valentine's Day.
