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Mercury in Biological News

Spallation Neutron Source sees first target replacement

... expectations of its service life, the original mercury target of the Spallation Neutron Source (SNS), ... SNS before becoming laboratory director. The mercury target is the first of its kind. A proton beam ... gun, "spalling" neutrons from the circulating mercury inside. Eventually, the wear and tear of those ...

One sponge-like material, three different applications

... Northwestern University chemists, it can remove mercury from polluted water, easily separate hydrogen ... The chalcogel removed nearly 99 percent of the mercury from contaminated water containing several parts per million. mercury likes to bind to sulfur, and the chalcogel is ...

American Chemical Society's weekly PressPac -- April 29, 2009

... ARTICLE #4 FOR IMMEDIATE RELEASE mercury levels in Arctic seals may be linked to global ... Canada are reporting for the first time that high mercury levels in certain Arctic seals appear to be ... of arctic cod and other prey containing mercury available to ringed seals. The scientists ...

To climate-change worries, add 1 more: Extended mercury threat

... GAINESVILLE, Fla. mercury pollution has already spurred public health ... of Florida and the paper's lead author, compared mercury levels in soils under trees growing in air ... soil contained almost 30 percent more mercury apparently because the soil had greater capacity ...

New model predicts hot spots for mercury in fish

... mercury levels in fish are prompting widespread ... which areas are likely to have fish with high mercury levels a breakthrough that should help officials ... data on the variety of factors that influence mercury levels in fish tissue such as the pH of the ...

Shrimp trawling may boost mercury in red snapper, study suggests

... trawling also may be raising the level of toxic mercury in juvenile snapper. "Our study demonstrates that mercury concentrations are elevated in juvenile red ... Titled the "Effect of Trawling and Habitat on mercury Concentration in Juvenile Red Snapper from the ...

American Chemical Society's Weekly PressPac -- Nov. 19, 2008

... A.M., EASTERN TIME, Nov. 24, 2008 Concerns on mercury emissions may foster new $500 million per year ... government regulations limiting emissions of mercury from electricity-generating stations may foster ... year industry offering technology for removing mercury from power plant smokestacks, according to an ...

Pitt researchers use fluorescence to develop method for detecting mercury in fish

... developed a simple and quick method for detecting mercury in fish and dental samples, two substances at the center of public concern about mercury contamination. The technique involves a ... The intensity of the glow indicates the amount of mercury present. Developed in the laboratory of ...

Mercury pollution causes immune damage to harbor seals

... Methylmercury (MeHg), the predominant form of mercury found in the blood of marine mammals and ... results were also found for human lymphocytes. mercury exposure is known to occur as a result of ... system is known to be susceptible to long-term mercury exposure". In order to determine the scale of ...

'Fingerprinting' method tracks mercury emissions from coal

... "fingerprints" in coal to track down sources of mercury polluting the environment. The research is ... journal Environmental Science & Technology . mercury is a naturally occurring element, but some 2000 ... plants and coal-burning power plants. mercury is deposited onto land or into water, where ...

Are we trading energy conservation for toxic air emissions?

... global warming. Some places may even produce more mercury emissions by switching from incandescent light ... the impact of fluorescent lighting on total mercury emissions in those regions. Estonia, which ... country that would see the greatest reduction in mercury emissions for every incandescent bulb it replaces ...

Dartmouth workshop sets research agenda for environmental mercury

... a roadmap for improving our understanding of how mercury moves through the marine ecosystem and into the ... one unanswered question: does the toxic form of mercury produced and bioaccumulated in coastal ecosystems ... large numbers of people. Though we know that the mercury found in marine fish and shellfish poses a threat ...

Mercury contamination found in stranded Victorian dolphins

... Bay and the Gippsland Lakes has revealed high mercury levels may be a contributing factor to dolphin ... of Biological Sciences have confirmed levels of mercury found in the dolphins were within a range ... health and mental effects and were higher than mercury levels found in populations around the world. ...

Study shows mercury levels from products decreasing, though still at dangerous levels

... Ill. May 6, 2008 A recent study shows that mercury releases from products in the U.S. declined ... source of environmental contamination. mercury released from products contributes nearly one-third of total mercury emissions to the air in the U.S. The findings ...

Dental chair a possible source of neurotoxic mercury waste

... mercury is a large component of dental fillings, but it ... exposed to sulfate-reducing bacteria, however, mercury undergoes a chemical change and becomes ... While the major source of neurotoxic mercury comes from coal-fired electric power plants, ...

Washington University, 2 industries, team to clean up mercury emissions

... automobile manufacturing can reduce emissions of mercury from electric power plants. The project is ... effectiveness of titanium dioxide in controlling mercury in lab and recent field studies. He heads the project that will test a mercury removal process in a full-scale power plant. ...

Dartmouth researchers alarmed by levels of mercury and arsenic in Chinese freshwater ecosystem

... has found potentially dangerous levels of mercury and arsenic in Lake Baiyangdian, the largest lake ... They found concentrations of arsenic and mercury in fish were above the threshold considered by ... In a process called bioaccumulation, mercury and arsenic were found throughout the food web, ...

Waterborne carbon increases threat of environmental mercury

... MADISON - mercury is a potent neurotoxin and a worrisome ... material increases the biological risk of aqueous mercury and may even serve as an environmental mercury source. ...

Groundbreaking Canada-US study proves link between emissions and mercury pollution in fish

... prestigious American science journal proves that mercury atmospheric emissions will end up in fish in as ... the experiment. The study concludes that if mercury emissions from coal-fired power plants and other ... This breakthrough study (called METAALICUS mercury Experiment to Assess Atmospheric Loading in ...

International team shows mercury concentrations in fish respond quickly to increased deposition

... team have, for the first time, demonstrated that mercury concentrations in fish respond directly to ... because of all the other factors that affect mercury levels in fish and large pools of mercury already in the environment, said lead author Reed ...

New study shows fish respond quickly to changes in mercury deposition

... Reducing atmospheric mercury emissions should quickly reduce mercury levels in lake fish, according to a three-year ... of Science. The study showed that an increase in mercury loading at rates relevant to atmospheric ...

New study shows fish respond quickly to changes in mercury deposition

... Reducing atmospheric mercury emissions should quickly reduce mercury levels in lake fish, according to a three-year ... of Science. The study showed that an increase in mercury loading at rates relevant to atmospheric ...

Groundbreaking Canada-US study proves link between emissions and mercury pollution in fish

... prestigious American science journal proves that mercury atmospheric emissions will end up in fish in as ... the experiment. The study concludes that if mercury emissions from coal-fired power plants and other ... This breakthrough study (called METAALICUS mercury Experiment to Assess Atmospheric Loading in ...

International team shows mercury concentrations in fish respond quickly to increased deposition

... team have, for the first time, demonstrated that mercury concentrations in fish respond directly to ... because of all the other factors that affect mercury levels in fish and large pools of mercury already in the environment, said lead author Reed ...

DOE-funded research projects win 46 R&D 100 Awards for 2009

... low-powered, miniature cooling mechanism. GeMini was launched on NASA's mercury MESSENGER spacecraft and is now taking the first-ever gamma-ray data of ... with Sud-Chemie, Louisville, KY) Thief Process for the Removal of mercury from Flue Gas - Partially burned coal is extracted from a pulverized ...

BioScience tip sheet, February 2009

... those of their larger brethren, so a fuller assessment is warranted. mercury Contamination in Sport Fish in the Northeastern United States: ... Advice on how much fish can be safely eaten, given existing levels of mercury contamination, can be improved by selection of appropriate target fish ...

Facile synthesis of nanoparticles with multiple functions advanced in Singapore

... contaminated, it is often difficult and expensive to purify the affected environment and extract the pollutants. Besides highly toxic metals such as mercury and lead, other valuable metals, including gold, silver, iridium and osmium, are also soluble in water, and may be extracted by our protocol," ...

Biologist discovers pink-winged moth in Chiracahua Mountains

... L. leeae while collecting one evening at Onion Saddle, at about 7,700 feet in the Chiracahuas. Collecting involves illuminating a sheet with mercury vapor lamps. Moths are attracted by the lights and will land on the sheet. "This large moth flew in and we didn't think much of it because there ...

Cheap and efficient white light LEDs new design described in AIP's Journal of Applied Physics

... They typically turn 20 percent or more of the electricity pumped through them into light. But compact fluorescents also contain small amounts of mercury vapor, an environmental toxin. LEDs on the other hand, are made from thin wafers of material flanked by electrodes. When an electric current is ...

Prosthetic vein valve designed to direct blood flow shows promising pre-clinical results

... initial laboratory tests and found that the valve met the mechanical design criteria it could withstand pressures of more than 500 millimeters of mercury and opened with a pressure gradient of 2.6 millimeters of mercury, which matched physiologic vein valve function. Detailed laboratory testing ...

Eating fish may explain very low levels of heart disease in Japan

... countries," said Dr. Sekikawa. "While we don't recommend Americans change their diets to eat fish at these quantities because of concerns about mercury levels in some fish, increasing intake of omega-3 fatty acids in the U.S. could have a very substantial impact on heart disease. Given the similar ...

Study reveals air pollution is causing widespread and serious impacts to ecosystems

... ultimately, economies. Co-author Dr. Timothy H. Tear, of The Nature Conservancy, comments, "Deposited pollutants have tangible human impacts. mercury contamination results in fish that are unsafe to eat. Acidification kills fish and strips nutrients from soils. Excess nitrogen pollutes estuaries, ...

Atmospheric scientists gear up for collaborative airborne campaigns

... of halogen oxides, reactive chemicals produced from sea ice, in Barrow. Halogen oxides are affiliated with the destruction of ozone and deposition of mercury in the Arctic region, and are likely to respond to recent changes in sea ice extent and thickness. Martin Stuefer, a research associate with the ...

AGU journal highlights -- Feb. 26, 2008

... a tracer for other constituents invisible to ground-based observers. Title: Imaging the sources and full extent of the sodium tail of the planet mercury Authors: Jeffrey Baumgardner, Jody Wilson, and Michael Mendillo: Center for Space Physics, Boston University, Boston, Massachusetts, U.S.A. ...

5th annual Keys bonefish population census results announced

... Middle, and Lower Keys) from Key Biscayne to the Marquesas. Team participation was significantly enhanced by Gary Ellis and guides who fished in the mercury Cheeca Redbone Tournament out of Islamorada, Fla. During the survey held in late October 2007, bonefish sightings were recorded and reported ...

Great potential to improve collection, recycling of Europe's electronic waste, says UN report

... tonnes of CO2 from entering the atmosphere." Improving e-waste collection is also key to preventing toxic pollution. An estimated 4.3 tonnes of mercury was contained in the estimated 660 million energy saving light bulbs sold in the EU27 in 2006, with approximately 2.8 tonnes more contained in LCD ...

Energy drinks may pose risks for people with high blood pressure, heart disease

... seven. Over the duration of the study, heart rates increased five to seven beats per minute and systolic blood pressure increased 10 millimeters of mercury (mmHg) after energy drink consumption, the researchers reported. No significant ECG changes were observed. This occurred while participants were ...

Decoding effects of toxins on embryo development

... the effects of the toxin on developing vertebrate embryos. Zebrafish embryos were exposed to eleven common pollutants, including cadmium, mercury and arsenic, by a team led by Uwe Strhle at the Institute of Toxicology and Genetics, Karlsruhe, Germany. The team monitored changes in ...

Woman's Day and For Womens of Science

... The health risks posed by mercury contaminated fish is sufficient to warrant ... findings comprising "The Madison Declaration on mercury Pollution" published today in a special issue of ... at the Eighth International Conference on mercury as a Global Pollutant last August in Madison, ....
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(Date:12/17/2014)... 16, 2014  Automation is fundamentally transforming the ... than at international borders. Over the past decade, ... allowed veteran travelers to self process through border ... Kiosks at an increasing number of airports, seaports, ... According to Maxine Most , Principal ...
(Date:12/11/2014)... , Dec. 09, 2014 Research and ... ( http://www.researchandmarkets.com/research/9ql3kr/biometrics_market ) has ... in India 2015-2019" report to their offering. ... this market is the adoption of multimodal biometric ... characteristic of an individual for verification and identification ...
(Date:12/10/2014)... You,ve been here before: you desperately need to sign into ... key or the answer to your secret question. What,s your ... Today, Hoyos Labs , a digital infrastructure security ... an end to the frustration that comes with usernames, passwords ... a user,s smartphone to acquire his or her biometrics to ...
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(Date:12/19/2014)... From November 24, 2014, Siddhi Yoga ... 2014 in its Goa retreat . This is the ... winters, from November to March, Siddhi Yoga will organize four ... Goa. The Goa training sessions will conclude in March 2015. ... training, the 10th intake is also a 200 YTT ...
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(Date:12/19/2014)... 18, 2014 (HealthDay News) -- The tragic death from "rat-bite ... carried by the pet rodents, according to a report from ... fever is a rare but potentially fatal illness that should ... and when a history of rodent exposure is reported," said ... Epidemic Intelligence Service. The case outlined in the report ...
(Date:12/19/2014)... analogue eye drops -- a common form of glaucoma ... in patients with the eye disease, a new study ... the Moorfields Eye Hospital and UCL Institute of Ophthalmology ... newly diagnosed with open-angle glaucoma -- the most common ... causes of blindness. About 45 million people worldwide ...
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