Tag: "contaminants" at biology news

Award-winning INEEL probe to help safely monitor hazardous waste sites

...ers, but scientists would prefer to keep an eye on contaminants long before they leave the area. Now with a new underground probing system from the Department of Energy's Idaho National Engineering and Environmental Laboratory, scientists can safely and more accurately sample and monitor soil in and below hazardo...

Researchers unlock mysteries of toxic metals in the largest contaminated site in United States

...he land, and the water; well over 100 years later, contaminants are still found as far as 300 miles down the Clark... headwaters are in that area. The presence of the contaminants has been known for many decades. But the interaction of the heavy metals and other compounds in the ...

Hurricane Ivan helps student study sinkholes

...iver in Montgomery County to measure how water and contaminants move within a sinkhole, that is, thehydrology and ...unoff pour water through caverns and fissures, the contaminants are flushed out of the depressions and into the aquifer. Schwartz took advantage of Hurricane Ivan t...

Scientists decipher genome of bacterium that helps clean up major groundwater pollutants

...orinated solvents a major category of groundwater contaminants that are often left as byproducts of dry cleaning or industrial production. The study of the DNA sequence of Dehalococcoides ethenogenes, which appears in the January 7 issue of Science, found evidence that the soil bacterium may have developed the ...

Anti-bacterial additive widespread in U.S. waterways

...als, personal care products and organic wastewater contaminants evaluated. To determine the validity of the analysis, the researchers compared their predicted nationwide levels of contamination to experimentally measured concentrations in the Greater Baltimore region, and found no statistically significant diffe...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

... In contrast, they say that using plants to remove contaminants - a process called phytoremediation -- provides one of the most cost-effective methods of cleaning polluted soil available. "Phytoremediation can help clean up the selenium, but the thing that's holding people up from using plants more widely is that...

Report addresses safety problem in preharvest stage of food production

...nd the frequency, extent, and distribution of such contaminants in the preharvest phase. The report recommends systematic surveillance, detection methods, risk assessment, and trade issues as the areas that should be emphasized to ensure safety during all stages of food production. "We need to take into account...

Pall-Aquasafe protects patients from exposure to waterborne contaminated medical equipment

... introducing a new problem by depositing microbial contaminants onto their surfaces and into their working channels," says Allan Ross, President of Pall Medical. "The simple quick connection of the new Pall-Aquasafe in-line filter provides an instant barrier that protects patients and medical equipment from the t...

Marine seaweed can detoxify organic pollutants

...se seaweed in engineered systems to remove organic contaminants from the marine environment, the scientists said. Studies to create genetically engineered seaweeds that perform these functions even better are also promising, the researchers said....

Plants become green Mr. Clean to combat toxic messes

...ains that phytoremediation using plants to remove contaminants from the soil is evolving. In the early stages of this technology, plants were used like sponges, soaking up toxic substances so they can be safely discarded. The next step, Rugh says, is plants that act like a green Mr. Clean, with roots that make...

The secret lives of whales

... ocean. The oceans act as a conveyer belt carrying contaminants across the globe and depositing them in the fats o... heed, and instituted steps to reduce the entry of contaminants to the oceans....

Protecting drinking water supplies within buildings

...e transport, accumulation and removal of potential contaminants in building plumbing systems. This work, which is ...fe surrogates for possible biological and chemical contaminants in the contamination and decontamination tests....

Defenseless plants arm themselves with metals

...t of crops that may one day remove metal and other contaminants from the environment. "Our goal is to find the high-level regulator - the one gene or group of genes that turns a plant into a hyperaccumulator," said David Salt, associate professor of plant molecular physiology in Purdue's horticulture department. ...

Highlights of chemical society national meeting in San Diego, March 13-17

... are joining forces in a massive effort to monitor contaminants and toxic metals in the blood of expectant mothers. Blood samples will be collected from approximately 500 pregnant women at ten sites in Mexico, five in Canada and five in the U.S. Each country has done its own maternal blood contaminant monitoring ...

Chemical compounds present in diet increase risk of colon cancer

... spite of that, the organochlorines are persistent contaminants that remain in the environment for long periods of time due to slow degradation. Diet constitutes the main route of entrance to the body. Once in the body, the organism has difficulty metabolising them and they usually become stored in the adipose ti...

The petroleum umbrella

...y of the Basque Country have analysed what type of contaminants are released as a result of extraction of crude oil in the North Sea and how these contaminants affect living things in this marine environment. For this research, mussels were studied. Throughou...

New strategies to reduce hospital-acquired infections

...shower, tiny water droplets containing the biofilm contaminants separate from the main water stream and spread by air currents in all directions. Some of these contaminants are inhaled as aerosols (tiny water droplets containing microbes) or condensed on surfaces where the...

Water research initiatives at UW-Madison

...s can help improve water quality, capturing common contaminants such as excess nitrogen and phosphorous. CONTACT: ... surface water, groundwater and soils. Compared to contaminants like PCBs, however, little is known about the environmental behavior of antibiotics. With funding fr...

Story tips from the Department of Energy's Oak Ridge National Laboratory, May 2005

... of bacteria survive and which die when exposed to contaminants or temperature changes caused by industrial practices or climate change. These arrays might also be practical for detecting unknown microorganisms that are genetically related to bacteria known to be useful for remediation of contaminated ecosystems....

Study is first to show side-stream smoking is as damaging to IVF success as being a smoker

... allowing us to investigate the effects of smoking contaminants on follicle growth in vitro and this will give us the chance to address some of the questions that would otherwise be difficult to answer."...

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