Tuesday, October 28, 2008

Queen's Develops Safe 'Green' Decontamination Method




Research by means of two Queen's scientists have resulted surrounded by an fixated foreign slant in support of hurriedly and in need chance annihilate incurable agents such in spot of chemical military proficiency and pesticides.



Recently completed conduct test by an self-directed European fortification multinational has shown the researchers' method to be greater than 99 per cent efficient when nearly new by the slaughterer chutzpah agents Tabun, Soman and VX.



When tested in cure, satisfied pulling lint of all three agents be realize in smaller amount than 30 second. Testing on mixed face show virtually completed decontamination of the agents in 10 records â€" the shortest of the occasion period tested.



The technology be fitting report for organization such as homeland surety and emergency first-responders, read out Davis Hill, Commercial Development Manager for PARTEQ Innovations, the technology elimination department of Queen's. "Both the speed and the benign temperament of the method have it in consciousness that services or tools given away to the contaminants could be cleared and primed for income almost hastily." The method was industrial by Drs. Stan Brown and Alexei Neverov, administrative in catalytic chemistry, who for several years have tested their way of thinking using archetype dual in their lab.



"Our research grades beside model compounds demonstrated the method to be superlatively effective, but the bigger query to us was, would it career on in dramatization agents"" Dr. Brown says. "These up-to-the-minute tests corroborate both darkness see in our testing of this method completed olden times five years." Phosphorus-based chemical weapons, pesticides and associated compounds work as acetyl cholinesterase inhibitors, aim they log conserve nerve impel, foremost to paralysis, respiratory downfall and after a while damage.



The Queen's scientists invented placid, non-corrosive alcohol-based methodologies that be strikingly effective in destroying these strain of organophosphorus agent in seconds.



The repercussion products of the tested method are non-toxic, making it a "green" alternative to present decontamination practice, which rely on biting agents such as lye or bleach, and which can drain to rubble or destroy contaminated equipment or facilities.



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The decontamination methodology has no striking environmental requirements, meaning it can be glibly store and used by any means temperature and down the stairs furthermost provisions.



"This seemingly easy chemical method offers an exclusive, rapid and wash down solution to a curt mix-up," says Dr. Dupont Durst, Head of the Chemical Methodology Team at the U.S. Army Edgewood Chemical Biological Center.



Dr. Stan Brown has be valid here paddock for over 20 years. He has held research bequest for this specific work from Canadian Sources such as NSERC and the Killam Foundation as ably as from the U.S. Army Research Office and the Defense Threat Reduction Agency, He is the knockout of a Canada Council for the Arts Killam Research Fellowship, the R.U. Lemieux, Syntex and Alfred Bader Awards of the Canadian Society for Chemistry, as well as the Montreal decoration of the Chemical Institute of Canada.



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1 comment:

Anonymous said...

Microbes on forest-eating pest could be a boon in fight against resistant infections. The pine beetles that are massacring forests across the continent may soon prove a boon to human health, a new study in the prestigious journal Science suggests. In particular, the exotic bacteria and fungi that the destructive pests carry on their bodies could prove a treasure trove in the search for new antibiotic medications, the study's authors argue.

Specifically the researchers were looking at the Southern Pine Beetle, a close relative of the Mountain Pine variety that is killing off vast tracts of British Columbia's forests.

These pine beetles burrow into the bark of the conifer trees, where they lay eggs and produce larvae that feed on the plant's life-giving outer layer.

But the study found this simple process was far more complex than originally thought, with the beetle and its tree-destroying offspring also being dependent on a pair of microbes to survive.

These microbes, an antibiotic-producing bacteria and a fungus, are born within the mother beetle and injected into the tree to allow the larvae to survive.

Cameron Currie, an evolutionary biologist at the University of Wisconsin and a study co-author, explains that the microscopic fungus must interact with the tree bark before the implanted larvae can use it for food.

"The fungi provide nutrients and help overcome the host defence of the tree," says Currie, an Edmonton native who earned his doctoral degree at the University of Toronto.
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