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Acute Toxicity
Acute Toxicity: - The ability of a substance to cause severe biological harm or death soon after a single exposure or dose. Also, any poisonous effect resulting from a single short-term exposure to a toxic substance. (See: chronic toxicity, toxicity.) [Environmental Protection Agency] News archive for Acute Toxicity:: |
Trading Markets (press release),This dose level is above 2000 mg/kg, which is above the limit dose (ie, the highest dose used in acute toxicity testing). When proteins are toxic,
Critical Outcome Technologies Inc. Reports Financial Results for ... - Jul 23, 2008
istockAnalyst.com,Low acute toxicity in escalating doses according to standard animal model test protocols. Examination of tissues and organs from treated animals
Research on the carcinogenicity of nanoparticles and other dusts - Jul 14, 2008
Nanowerk LLC,Also, coated hydrophobic TiO2 had been selected that had not been tested before and showed strong acute toxicity. Sixteen of the 19 dusts formed a group for
Pest control chemicals can quickly pollute Puget Sound - Jul 9, 2008
PNW Local News,Salmon Index,� an indication of a product’s acute toxicity to, specifically, rainbow trout (which are in the same genus as Chinook and sockeye salmon).
Nanoparticle uptake by plants - Jul 8, 2008
Nanowerk LLC,Acute toxicity of ZnO nanoparticles has been observed in bacteria. Another study also showed phytotoxicity of ZnO nanoparticles (see our Nanowerk Spotlight:
Beautiful Faces and Maimed Animals - Jul 17, 2008
MedIndia,Two of the most common animal tests still done are eye irritancy and lethal dose/acute toxicity tests. In eye irritancy tests, chemicals are squirted into
UFW Demands EPA Ban on Endosulfan, - Jul 26, 2008
Bay Area Indymedia,Endosulfan is registered as an acute toxicity class I (the most toxic) pesticide, and must bear the label “Danger.� Endosulfan affects the nervous system
Spirotetramat; Pesticide Tolerances - Jul 9, 2008
Trading Markets (press release),Spirotetramat technical demonstrated moderate to low acute toxicity via the oral, dermal, and inhalation routes. Spirotetramat is non- irritating to the
Acetamiprid; Pesticide Tolerance - Nov 28, 2007
Trading Markets (press release),The acute toxicity data indicate that acetamiprid is moderately toxic via the oral route and is minimally toxic via the dermal and inhalation routes.
Conservationists Seek Ban on Lethal Wildlife Poisons - Nov 20, 2007
Environment News ServiceBoth agents are classified by US Environmental Protection Agency, EPA as having the highest degree of "acute toxicity." In a Federal Register notice
Attack of the Killer Mattresses – Coming to TV News Near You! - Nov 6, 2007
STATS,Cases of accidental ingestion by infants did not show acute toxicity and symptoms disappeared. It poses no discernable risk as a fire retardant.
EPA looks at poison ban - Nov 21, 2007
The Casper Star Tribune,Both agents are classified by EPA as having the highest degree of "acute toxicity." The poisons are distributed by Wildlife Services, an arm of the US
Natural feed finalised for organic fish - Nov 20, 2007
FoodNavigator.com,Exposure to Ethoxyquine in the workplace has been linked to allergic contact dermatitis because of its low acute toxicity. Sales of organic food grew by 30
Company Research on Genetically Modified Foods is Rigged - Nov 21, 2007
Food Consumer,The acute toxicity testing proposed as adequate would simply not pick up cancer, teratology [birth defects] or the long-tem effects of nutrient
Chemicals led to lake's fish kill - Nov 13, 2007
Harlan Tribune,Water samples showed high levels of chlorpyrifos in the pond, more than 55 times the acute toxicity levels. Trade names for chlorpyrifos include Dursban,
Officials: Mosquito spraying carries low health risk - 23 Aug 2007
Eagle Tribune,The EPA reports that chemicals in sumithrin's class "are considered to pose slight risks of acute toxicity to humans, but at high doses, (they) can affect
Pesticides still pouring into reef waters - Aug 12, 2007
Sydney Morning Herald,...pollutants are yet to be fully understood, although laboratory experiments have demonstrated their acute toxicity to seagrass and corals," the report said.
State defends lamprey control treatment - Aug 21, 2007
Rutland Herald,..."You made a pretty good case on the research on acute toxicity," said Paul Marangelo, a conservation ecologist with the Nature Conservancy.
SJ firms among top polluters - Aug 19, 2007
Cherry Hill Courier Post,...carcinogen in New Jersey," said Lawrence Hajna, a spokesman for the DEP, "but it is considered a hazardous air pollutant because of its acute toxicity.
Utility battles fluoride, criticism - Aug 18, 2007
The Capital Times,The EPA does not consider short-term exposure to water containing 3-4 ppm of fluoride to be harmful to human health; however, acute toxicity can occur at a
Gene therapy trial on hold - Jul 31, 2007
Scientist,..."Vectors in this class have been used on hundreds of patients over the last 12 years, and are not associated with acute toxicity," said Terence Flotte of
Full Text - Jul 26, 2007
Science Magazine (subscription)5 David W. Russell, 3 ,4 Mark S. Sands 1 ,6 Adeno-associated viruses (AAV) are promising gene therapy vectors that have little or no acute toxicity.
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