Tag: "pollutants" at biology news
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...nts engineered for the phytoremediation of organic pollutants
can increase the functional and genetic diversity of the bacterial community in acutely polluted soil compared to wild type plants, the report states. Our findings have important implications, not only for use of genetically engineered plants for TNT...
New mechanism links smoking to lung damage
...s," Lal said. "Substances found in smoke and other pollutants
can alter the electrical potential of the cells membrane. A small shift in the membranes electrical potential, which we know occurs in many oxidative stress situations, appears to open these channels and allow unregulated flow. This can weaken and ki...
UCLA study links air pollution to clogged arteries
...n come into contact. The scientists combined the pollutants
and oxidized fats and cultured them with cells fro...e groups in the animals tissue. Exactly how air pollutants
cause cardiovascular injury is poorly understood, Nel said. But we do know that these particles are ...
American Chemical Society's Weekly PressPac -- July 11, 2007
...ated biphenyls (PCBs) and other persistent organic pollutants
(POPs), scientists in Japan are reporting in an article scheduled for the July 15 issue of ACS Environmental Science & Technology , a semi-monthly journal. In the report, Hideshige Takada and colleagues explain that existing methods for taking sam...
Today's waste, tomorrow's fuel
...5 July). Catalytic converters which keep exhaust pollutants
from vehicles down to an acceptable level all use platinum, however over the years the platinum is slowly lost through exhaust pipes. Dr Hazel Prichard, School of Earth Ocean and Planetary Science estimates that many kilogrammes of platinum is being...
Fine particulate matter from traffic may influence birth weight
... the concentrations of traffic-related atmospheric pollutants
during pregnancy, including fine particulate matte...s the fluctuations in the concentration of the air pollutants
over time during the pregnancies. Using a detailed questionnaire, the study authors could disentan...
American Chemical Society's Weekly PressPac -- June 20, 2007
...m studies of childrens exposure to airborne diesel pollutants
during loading and unloading buses. However, que...l buses might result in higher emissions of diesel pollutants
than occur during continuous idling. The new study measured diesel emissions from a limited number o...
Helping chlorine-eating bacteria clean up toxic waste
...hope to learn how certain bacteria that break down pollutants
do their job and then to make them more effective ...thers." Finding which genes are at work with which pollutants
might lead to understanding how to remediate other kinds of pollutants, such as PCBs, dioxins, chlor...
A living memory chip, black holes on the loose, and a clearer picture of ocean currents
...imals as well as the distribution of nutrients and pollutants
that affect ocean life. Researchers at the University of New South Wales in Australia and the Universitat Paderborn in Germany discovered that barriers to currents, which can lead to swirling gyres and eddies that trap material for long periods, may ...
2007 Joint Assembly in Acapulco -- press conference schedule
...nd other parts of the developing world. By pumping pollutants
into the atmosphere, these hubs of industrial activity and intensive motor-vehicle use cause local, regional, and global effects that are coming into focus as a result of targeted scientific investigations. In this press conference, panelists will di...
ACS News Service Weekly PressPac -- May 9, 2007
...he burning of fossil fuels, combine with other air pollutants
termed volatile organic compounds to form smog. In the report, D. J. Donaldson and colleagues point out that air pollution researchers have been focusing on urban surface films, often termed "window grime," as a potential contributor to air pollut...
NIST building software offers green product advice
...ical toxicity, ozone depletion, smog, criteria air pollutants
and water intake. The new consensus weight option, developed by a panel of building product manufacturers, green building designers and environmental assessment experts, allows users to evaluate environmental impacts considering short-, medium- and l...
Penn leads $4 million grant to study gene-environment interactions in lung cancer
...history and exposure to airborne pollutants. These pollutants
will also be mapped cartographically using GIS tec...ribution in each study location. Exposure to air pollutants
for each subject will be analyzed together with their individual variation in approximately 100 gene...
Nanotechnology provides 'green' path to environmentally sustainable economy
... have engineered nanoscale sensors that can detect pollutants
at the level of parts per billion. Nanotechnology has opened promising new routes for making inexpensive solar cells as well as improving the performance and lowering the cost of fuel cells, eyed as the energy source for cars and trucks of the futu...
ACS News Service Weekly PressPac -- April 18, 2007
...evidence emerged from a study of metallurgical air pollutants
released from ancient furnaces during the smelting process and deposited in lake sediments in the area. By analyzing metals in the sediments, the researchers recreated a 1,000-year history of metal smelting in the area, predating Francisco Pizarro ...
Scientists track impact of Asian dust and pollution on clouds, climate change
...ct this month to study plumes of airborne dust and pollutants
that originate in Asia and journey to North Americ...to determine how the various particles of dust and pollutants
influence clouds and climate, and how far downwind those effects occur." "PACDEX comes at a crucia...
Pitt study notes decline in male births in the US and Japan
...al exposure to endocrine- disrupting environmental pollutants
may impact the SRY gene a gene on the Y chromosome that determines the sex of a fertilized egg. Other environmental factors that also may affect the viability of a male fetus include the parents weight, nutrition and the use of alcohol and drugs. ...
Pioneering approach to wastewater treatment earns Stanford engineer the 2007 Stockholm Water Prize
...led the important problem of organic compounds and pollutants
in wastewater and underground aquifer systems. His pioneering research has allowed the development of more effective treatment practices." The committee also noted that McCarty's recent work on microbial biofilms "has wide-ranging implications for ...
American Society for Microbiology to host 107th General Meeting in Toronto
...od spoilage, the use of microorganisms to clean up pollutants
and basic knowledge of the nature of all living things. Among the topics to be presented are: How global warming is changing patterns of human disease worldwide Extreme drug-resistant tuberculosis: a greater threat than HIV? Diseases from pro...
NJIT professor obtains patent to uncover trace elements of airborne pollutants
...nt method to concentrate pollutants. By doing so, pollutants
can then be introduced onto a sensor to identify t... chip has a polymer enabling it to concentrate the pollutants
and a tiny built-in heater that drives them onto the sensor," Mitra said. "It works like a bicycle ...
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