Tag: "mercury" at biology news
Story tips from the US Department of Energy's Oak Ridge National Laboratory, August 2007
...elopment and military land management, atmospheric mercury
and introduction of saline water introduction through rice canals. While 19 distinct populations of shortnose sturgeon have been identified in coastal rivers, only two southern populations are thought to be viable. The Ogeechee population has fewer t...
Improved NIST SRM aids lead poisoning detection
...s only for the concentrations of cadmium and total mercury
(including methylmercury and ethylmercury.) As values become available for arsenic, methylmercury and ethylmercury, the certificate of analysis will be updated to reflect the new information. Information values are considered useful, but lack suffici...
New aerogels could clean contaminated water, purify hydrogen for fuel cells
... impurities from hydrogen gas much as they did the mercury
from the water: by acting as a kind of sieve or selectively permeable membrane. The unique chemical and physical structure of the gels will allow researchers to "tune" their pore sizes or composition in order to separate particular poisons from the h...
1 in 4 NYC adults has elevated blood mercury levels
A quarter of adult New Yorkers have elevated blood mercury
levels, according to survey results released today...New Yorkers eat more fish, and have higher average mercury
levels, than others both locally and nationally. These mercury
levels pose little if any health risk...
American Chemical Society's Weekly PressPac -- June 27/July 3, 2007
...With Federal legislation pending to ban exports of mercury
a potentially toxic metal that has been ending u...ward possible ways of storing thousands of tons of mercury
that have accumulated in the United States, according to an article ( http://pubs.acs.org/cen/govern...
The BBVA Foundation commits 2.4 million euros to research in Ecology and Conservation Biology
...l method for assessing the environmental impact of mercury
in biodiversity hotspots. As such, study areas hav...ir high ecological value and potential exposure to mercury
contamination, among them the Mato Grosso Pantanal in Brazil, declared a Biosphere Reserve and World...
American Chemical Society's Weekly PressPac -- June 13, 2007
...tics in animal feed Crude oil contains less toxic mercury
than coal Concerns about safety of Chinese ingred...IMMEDIATE RELEASE Crude oil contains less toxic mercury
than coal Environmental Science & Technology A 4-year study of mercury
in crude oil refined in t...
ACS News Service Weekly PressPac -- May 23, 2007
...es Mom & Pop gold miners threaten new wave of mercury
pollution Journalists' Resources: "Huh, a w...007 Mom & Pop gold miners threaten new wave of mercury
pollution Chemical & Engineering News Could tons of neurotoxic mercury
now stored in the United S...
Low-energy LED lighting project is streets ahead
...ising as new semiconductor developments occur. The mercury
used in the old-fashioned lights also has implications for the environment. As well as cutting energy consumption and overall running costs, researchers say that LED street lighting could help reduce light pollution - and the glow that radiates fro...
More nutritious, less toxic
...reshwater fish are likely to carry relatively high mercury
levels." The research is reported in a paper titled "Stoichiometric controls of mercury
dilution by growth," to published in the April 23, 2007 online "Early Edition" of Proceedings of the...
Fishing for alternatives
... the effects of toxins such as cyanide, copper and mercury
on uptake into the catfish intestine, says Dr Handy who is organising this session at the SEB Meeting....
Story tips from the Department of Energy's Oak Ridge National Laboratory
... highest brightness, or protons per pulse onto the mercury
target. Three instruments--the backscattering spectrometer and the liquids and magnetism reflectometers--are already receiving neutrons. In some configurations, the reflectometers are receiving neutron beams intense enough to saturate the detectors, ...
EO Lawrence Award goes to 8 scientists and engineers
...g discovery of Green Primary Explosives to replace mercury
and lead primary explosives which have caused detrimental effects on the environment and humans for nearly 400 years. Her interdisciplinary research has led to the formation of a new series of high-nitrogen transition metal complexes which are perfe...
Study finds mercury prevalent in many western fish
...eams in the western United States found widespread mercury
concentrations in fish. Though few of the more tha...es such as salmonids." The researchers found that mercury
levels were much higher in the larger fish-eating species, including bass, walleye, northern pike an...
Fires fuel mercury emissions, University of Michigan study finds
ANN ARBOR, Mich. -- Forest fires release more mercury
into the atmosphere than previously recognized, a ... has implications for forest management and global mercury
pollution, was published online today (Jan. 9) in the journal Global Biogeochemical Cycles. Doctor...
Hotspots of mercury contamination identified in eastern North America
A US and Canadian research team surveying mercury
contamination in fish and birds in the northeaster...mplex processes that move atmospherically released mercury
through the environment, and from site-specific characteristics such as the high sensitivity of wetl...
USGS at Society of Environmental Toxicology and Chemistry
...e Western United States: Atmospheric deposition of mercury
in remote areas in the Western United States is su...ites favorable for methylation, a process in which mercury
in the environment is converted into a highly toxic form that accumulates in organisms and is amplif...
ACS News Service Weekly PressPac -- Sept. 20, 2006
... they have established for the first time that the mercury
compound present as a contaminant in some seafood can damage insulin-producing cells in the pancreas. In their experiments, Shing-Hwa Liu and colleagues exposed cell cultures of insulin-producing beta cells to methylmercury. They used concentration...
USGS at The Wildlife Society: From sea-ice change to contaminants to predators and prey
... Sept. 24, 4:10-4:30 p.m. Frogs as sentinels of mercury
contamination: Extensive areas of northern California have been mined for mercury
and gold, and releases of mercury
from these areas to downstream aquatic environments are of concern...
New National Institute of Mental Health research program launches autism trials
... many families seek the treatment to try to remove mercury
and other metals from their autistic children's bl... "Because chelation therapy is not specific for mercury
alone, it is important to conduct a systematic, controlled trial to determine whether or not chelati...
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