Tag: "monoxide" at biology news
Microbe's genome reveals insights into ocean ecology
...also use inorganic compounds (in this case, carbon monoxide
and sulfur) for energy. In that way, the microbes ...med that the genes which appeared to encode carbon monoxide
oxidation were functional and that they allow the organism to oxidize CO at concentrations relevant ...
Microbe's genome promises insight into Earth's carbon and sulfur cycling
...'s temperature and energy regulation, while carbon monoxide
is a greenhouse gas. The interdisciplinary research team, led by Mary Ann Moran at the University of Georgia, includes collaborators at The Institute for Genomic Research (TIGR) and six universities. Their work appears in the December 16 issue of Nat...
Spectroscopy for the real world
...e rhodium metal surface adsorbs and removes carbon monoxide
and nitrogen oxide gases in car exhaust converters. Buoyed by this success, the team trained the instrument on the secret lives of sea salt aerosols. Conventional spectroscopy experiments have revealed that there are just as many negative ions as pos...
Talking robots, green buildings, and shockwave healing
...orkers chronically exposed to low levels of carbon monoxide
in a noisy environment may also experience hearing problems at high frequencies. (3aNS8) HEARING SILENT SHAPES AND IDENTIFYING INSTRUMENTS THROUGH THEIR MICRORHYTHMS Acousticians continue to discover new abilities in human hearing and acoustic perc...
Noise and carbon monoxide exposure increases hearing loss according to Universit de Montral study
...that combined chronic exposure to noise and carbon monoxide
in the workplace induces hearing loss. Adriana Lac...ver 8,600 workers exposed to both noise and carbon monoxide
in the workplace. Among the riskier professions are welders, firefighters, garage mechanics, trucker...
News tips: NASA presentations at Annual 2005 Joint Assembly Meeting
...zone and other chemical species involved in carbon monoxide
formation and destruction, including water vapor, methane, nitrogen dioxide and nitric acid. Time/Location: Monday, May 23 at 2:30 p.m. EDT (1:30 p.m. local CDT), Hall B Presenters: Linda A. Hunt, NASA Langley Research Center (LaRC), Hampton, Va. I...
How chronic exposure to tiny levels of carbon monoxide damages hearing in young ears
...vered how chronic exposure to low levels of carbon monoxide
(CO) damages the inner ear of young rats, resulting in permanent hearing loss. At the Ca/OSHA's exposure limit of 0.0025 percent -- or 25 parts per million CO in the air -- the gas creates oxidative stress, a condition that damages the cochlear cell...
Space measurements of carbon offer clearer view of Earth's climate future
...satellite observation of the greenhouse gas carbon monoxide
is well established, and last year Envisat's Scanning Imaging Absorption Spectrometer for Atmospheric Chartography (SCIAMACHY) successfully observed atmospheric methane, carbon dioxide represents a harder target than other greenhouse gases. It is lon...
NCAR analysis shows widespread pollution from 2004 wildfires
...ka and Canada in 2004 emitted about as much carbon monoxide
as did human-related activities in the continental...es that allowed them to distinguish between carbon monoxide
coming from the wildfires and from other sources. The team concluded that the Alaskan and Canadian w...
Carbon monoxide: Poison gas or anti-inflammatory drug?
...ntists found that inhaling small amounts of carbon monoxide
for several weeks after transplant surgery prevent...ving transplanted trachea, or windpipes. If carbon monoxide
therapy works as well in human patients as it does in mice, it could prevent an inflammatory respons...
Animals warn of human health hazards in new 'Canary Database'
...o coal mines as an early warning signal for carbon monoxide
and other poisonous gases. The birds, being more sensitive, would become sick before the miners, who would then have a chance to escape or put on protective respirators. Rabinowitz said several episodes of illness in animals have been clearly linked ...
Three ORNL technologies earn technology transfer excellence awards
...e cases, such burner adjustments can reduce carbon monoxide
and unburned fuel emissions by 50 percent and nitrogen oxide emissions between 10 and 20 percent. The Babcock and Wilcox Company of Barberton, Ohio, has a worldwide license from the Electric Power Research Institute (EPRI) to market the Flame Doctor ...
Ozone levels may raise risk of underweight births
...irth. Then they determined levels of ozone, carbon monoxide
and other pollutants in the air in each zip code o...more polluted areas of Southern California. Carbon monoxide
levels affected birth weight as well. They found that each increase of 1.4 parts per million of carb...
Poison + water = hydrogen. New microbial genome shows how
...growing microbes that can convert water and carbon monoxide
to hydrogen," remarks TIGR evolutionary biologist ... C. hydrogenoformans grows more rapidly on carbon monoxide
than other species: The bug boasts at least five different forms of a protein machine, dubbed carbon...
Chronic drinking and smoking cause both separate and interactive brain injury
...ee radical species and, in combination with carbon monoxide
exposure and possibly reduced brain perfusion, may hinder brain tissue recovery in smoking recovering alcoholics." - Both chronic smoking and drinking have an impact on cognitive function: for measures of fast, flexible performance, smoking may exp...
Georgia Tech develops technology for more compact, inexpensive spectrometers
...y would make hand held devices possible for carbon monoxide
detection or on-the-spot blood analysis and other biomedical applications. One of the key advantages to the new spectrometer is its insensitivity to alignment. Spectrometers are very sensitive to the direction and wavelength of light and several of ...
Overseas NOx could be boosting ozone levels in US
... as long as you have all these emissions of carbon monoxide
and hydrocarbons, the NOx sits there and continuously produces ozone. So in a way you really don't need a lot of it, but when you have a lot of it, it tends to produce ozone faster," said Wang. Current models have shown these chemical species coming ...
Carbon monoxide inhibitor controls traumatic bleeding, Tulane University researchers show
SAN FRANCISCO A chemical that blocks carbon monoxide
(CO) has been used for the first time to arrest tr...eakdown of a blood component known as heme. Carbon monoxide
helps control blood pressure by dilating blood vessels, McCarty said. Her team reasoned that blockin...
Methane-belching bugs inspire a new theory of the origin of life on Earth
...how an obscure undersea microbe metabolizes carbon monoxide
into methane and vinegar. What they found was not...rger at Northeastern University, showed how carbon monoxide
is converted to acetate in a biochemical pathway that includes a well-known pair of enzymes, called ...
HO-1 in sickle cell disease: friend or foe?
...s protective by generating products such as carbon monoxide
and bile pigments, both of which can reduce tissue injury; however, in larger amounts, these products may be toxic. It is possible that the degree of induction of HO-1 in SCD may generate toxic rather than protective amounts of these products. Addi...