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Tag: "contaminants" at biology news

Anti-bacterial additive widespread in U.S. waterways

...cals, personal care products andorganic wastewater contaminants evaluated.To determine the validity of the analysis, the researchers comparedtheir predicted nationwide levels of contamination to experimentallymeasured concentrations in the Greater Baltimore region, and found nostatistically significant difference...

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. ...

Solution to Pollution: New Bacteria Eats Toxic Waste

...rganisms to degrade or transform hazardous organic contaminants using natural biology. It offers an attractive sol...nderstand and utilize the organisms to destroy PAH contaminants in the environment by applying engineering principles to microbial biotechnology, said Sims. “This r...

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 tha...

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....

New strategies to reduce hospital-aquired 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...

Distributed Basic Local Alignment Search Toolkit (W.ND-BLAST)

...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...

Researchers Discover That Microbes Can Produce Miniature Electrical Wires

...sediments. Geobacter have been used to help remove contaminants from underground petroleum spills and landfill pollution of groundwater, as well as remove uranium from contaminated groundwater at a number of U.S. Department of Energy sites. The title of the paper published in Nature is “Extracellular Electron Tr...

New Scripps Oceanography project to study sediments and ecosystem restoration in Venice lagoon

...ent is so old, you could expect metals and organic contaminants to be present," said Deheyn, whose experience incl...a cousin species of starfish, to determine whether contaminants in the Venice Lagoon are bioavailable (the amount of contaminants locally present and shown to be ac...

Industrial contaminants spread by seabirds in High Arctic, new Canadian study shows

...esponsible for transporting most of the human-made contaminants to some coastal ecosystems, the researchers found....ing it a "boomerang" effect, Dr Blais says: "These contaminants had been washed into the ocean, where we generally assumed they were no longer affecting terrestrial...

Toxic flood lifts lid on common urban pollution problem

...professor who has spent years studying the harmful contaminants that turn up in urban runoff, or rainwater that wa...tact with the urban environment, all the potential contaminants that stayed around in that environment are now back in the water - definitely, to our horror," Sansa...

NIEHS launches website with information for assessing environmental hazards from Hurricane Katrina

...o-date data to public health and safety workers on contaminants in flood waters, infrastructure and industry maps, as well as demographic information for local populations. The NIEHS Hurricane Katrina Information Website, accessible at http://www-apps.niehs.nih.gov/katrina , provides information on assessing ...

FDA approves child-friendly AIDS medicine

...o-date data to public health and safety workers on contaminants in flood waters, infrastructure and industry maps, as well as demographic information for local populations. The NIEHS Hurricane Katrina Information Website, accessible at http://www-apps.niehs.nih.gov/katrina , provides information on assessing ...

Zebrafish may hold key to improved cancer research

..., among others, helped to determine that aflatoxin contaminants which can be found in some foods are a powerful carcinogen ?and are still a major cause of liver cancer in some developing nations. Zebrafish, however, are a fascinating species because the fish embryos are literally transparent and can be directly ...

Pulp mill devastates swans' sanctuary in Chile

...an population. The scientists concluded then that contaminants from the plant contributed to a massive die off of luchecillo, the aquatic vegetation that was the swans' main food source. "It was heart-rending. We talked to people in Valdivia who said they saw emaciated swans fall from the sky, landing on rooft...

'Acid rain' and forest mass: Another perspective

...t was concluded that the atmospheric deposition of contaminants produces damage in the forest masses of Bizkaia and may be aggravated in the future. ...

Russian 'surrogate' alcohols are a killer

...ave either very high concentrations of ethanol, or contaminants known to be toxic. "We found that home-made alcohol had about the same amount of alcohol as vodka, but also contained a number of more toxic alcohols that could cause damage to the heart and liver," said McKee. "The medicinal substances were about...

ORNL leading effort to help harness power of Shewanella

...derstanding of the Shewanella mechanisms for metal contaminants reduction and other bioremediation applications, and develop a system that makes the information readily available to the research community," said Ed Uberbacher, a member of ORNL's Life Sciences Division and leader of the project. When the work is ...

Marine mammals are on the frontline of failing ocean health

...o share many of our marine foods, accumulate these contaminants in their tissues. Todd O'Hara works with a resear...cean." Krahn and her colleagues trace the flow of contaminants by studying the build-up of pollutants in killer whales. Different levels and timing of chemical us...

Earth Rx: A microbial biotechnology prescription for global environmental health

...; capturing renewable energy from biomass; sensing contaminants or pathogens; and protecting the public from dangerous exposure to pathogens. Rittmann's center puts some of these technologies into service, identifying microorganisms that help clean up pollutants such as trichloroethene (TCE) and perchlorate from...

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