Chemists have identified a cascade of reactions for how mysterious molecules known as Criegee intermediates generate hydroxyl radicals – an oxidant that helps remove pollutants from the lower atmosphere.
Materials Science
May 17, 2016
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Scientists have long known that air pollution caused by cars and trucks, solvent use and even plants, is reduced when broken down by naturally occurring compounds that act like detergents of the atmosphere. What has not been ...
Environment
Dec 2, 2014
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Earth's atmosphere is a complicated dance of molecules. The chemical output of plants, animals and human industry rise into the air and pair off in sequences of chemical reactions. Such processes help maintain the atmosphere's ...
Materials Science
Sep 26, 2014
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Researchers at The Johns Hopkins University report they have deciphered the inner workings of a protein called YiiP that prevents the lethal buildup of zinc inside bacteria. They say understanding YiiP's movements will help ...
Cell & Microbiology
Jun 22, 2014
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Up to now, HONO, also known as nitrous acid, was considered one of the most important sources of hydroxyl radicals (OH), which are regarded as the detergent of the atmosphere, allowing the air to clean itself. A research ...
Earth Sciences
Apr 17, 2014
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Scientists from the Florida campus of The Scripps Research Institute (TSRI) have developed a new approach to alter the function of RNA in living cells by designing molecules that recognize and disable RNA targets. As a proof ...
Biochemistry
Dec 20, 2012
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(Phys.org)—The most common form of strokes are caused by a sudden reduction in blood flow to the brain (ischemia) that leads to an inadequate supply of oxygen and nutrients. These so-called ischemic strokes are one of the ...
Bio & Medicine
Sep 14, 2012
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(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 University, and ...
Biochemistry
May 16, 2012
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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 effect. Researchers ...
Environment
Aug 19, 2011
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In the battle against bacteria, researchers at the University of Illinois have developed a powerful new weapon - an enhanced photocatalytic disinfection process that uses visible light to destroy harmful bacteria and viruses, ...
Materials Science
Jan 19, 2010
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