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Hydrocarbons in Medical News

Exposure to Common Pollutant in Womb Might Lower IQ

...ches the age of 5 years. This linkage builds on prior research, which has suggested that exposure to these pollutants, known as polycyclic aromatic hydrocarbons (PAHs), while still in the womb can provoke developmental changes that damage lung health and boost the risk for developing childhood asthma. "As a...

Cancer Endangers Some Wildlife Species

...f intestinal cancer, which is their second-leading cause of death. It's believed that this cancer problem is due to high levels of polycyclic aromatic hydrocarbons (PAHs) in the waters where the whales live, the study said. PAHs are a known human carcinogen. In addition, virus-induced cancers can affect reprod...

Wildlife faces cancer threat

...extraordinarily high rate of intestinal cancer, which is their second leading cause of death. One type of pollutant in these waterspolycyclic aromatic hydrocarbons (or PAHs)is a well-known carcinogen in humans, and PAHs are suspected carcinogens for beluga whales as well. Fish in other industrialized waterways, i...

'Cannabis alters human DNA' -- new study

...e contains 400 compounds including 60 cannabinoids. However, because of its lower combustibility it contains 50% more carcinogenic polycyclic aromatic hydrocarbons including naphthalene, benzanthracene, and benzopyrene, than tobacco smoke." Writing in the journal Chemical Research in Toxicology , the scientis...

The microbial hydrocarbon diet

...t had evolved the ability to metabolize this chemical. Bioremediation of hydrocarbons usually involves the application of a cultured bacterium that has been opti...ach to bioremediation of spill sites. The key step in the degradation of hydrocarbons normally depends on the presence of a multi-component enzyme system, the te...

Avon Foundation Convened Breast Cancer Experts in Miami to Address Prevention Strategies at Annual Forum

...on the role of environmental carcinogens in breast cancer as well as risk reduction strategies. Dr. Sonenshein studied exposure to polycyclic aromatic hydrocarbons (PAHs), which come from incomplete combustion of fossil fuels, polluted air or water, cigarette smoke and charcoal broiled foods. Her research identi...

Prenatal Exposure to Traffic Pollution May Lead to Asthma

...y found evidence of a possible new biomarker -- an epigenetic alteration in the gene ACSL3 -- associated with prenatal exposure to polycyclic aromatic hydrocarbons (PAHs), which are created as byproducts of incomplete combustion of carbon-containing fuels such as gasoline. PAH levels are high in heavy-traffic ...

A new way to look at lung cancer and tobacco carcinogens

... PHILADELPHIA Two types of cancer-causing agents in cigarettesa nicotine-derived chemical and polycyclic aromatic hydrocarbons (PAHs) are the main culprits in lung cancer. Exposure to tobacco smoke both mainstream and second-hand is a leading cause of cancer death in the Uni...

EPA Recognizes Fort Wayne Community Schools for Reducing Diesel Emissions From Its School Buses

... renewable fuel that can be made from vegetable oil or animal fat. It is safe, biodegradable and reduces air pollutants such as soot, carbon monoxide, hydrocarbons and air toxics. ...

Smog's Origins Get Clearer

...d. Urban ozone levels, which peak in the afternoon, are caused by a series of complex chemical reactions involving the interaction of sunlight with hydrocarbons and nitrogen oxides from vehicle exhaust. Ozone is produced when hydroxyl radicals (OH) are produced from water vapor. It was long believed that mo...
Hydrocarbons in Medical Technology

First Jatropha Genome Completed by Synthetic Genomics Inc. and Asiatic Centre for Genome Technology

...ded products directly from sunlight and carbon dioxide; developing new biological solutions to increase production and/or recovery rates of subsurface hydrocarbons and developing high-yielding, more disease resistant and economic feedstocks. For more information go to www.syntheticgenomics.com About Asi...
Hydrocarbons in Medical Definition

Gastric lavage

...ions include when the poisoning is due to a corrosive substance ( T 54. ), hydrocarbons ( T 53. ), or for poisons that have an effective antidote . Comp...t dangerous risk is aspiration pneumonia , this is more likely to occur if hydrocarbons are ingested or in patients without a protected airway. Other complications...
Hydrocarbons in Medical Dictionary

Reservoir

...servoir or an oil and gas reservoir (or system), is a subsurface pool of hydrocarbons contained in porous rock formations. The naturally occurring hydrocarbons are trapped by overlying rock formations with lower... reservoir ( ) ...

Paraffin

... In chemistry, paraffin is the common name for the alkane hydrocarbons with the general formula CnH2n+2. Paraffin wax refers to the solids with 20 ≤ n ≤ 40 . paraffin n. A waxy white or colorless solid hydrocarbon...

Kerosene

...ed a taxable fuel similar to on-road diesel fuel. ... Information about kerosene in the free online English dictionary and encyclopedia. ... The hydrocarbons in kerosene contain between 11 and 12 carbon atoms. ... ...

Gasoline

...ine ( ) n. A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used prin..., including gasoline , are primarily a mixture of hydrocarbons ... The national average gasoline tax is 45 ...n, and more. ... Gasoline is a mixture of liquid hydrocarbons ... way to reduce gasoline consumption, that...

Ethylene glycol

... glycol poisoning should be suspected in an intoxicated patient with ... Ethylene glycol is the dihydroxy alcohol derivative of aliphatic hydrocarbons ... The elimination half-life of ethylene glycol with fomepizole treatment is 11 ... Ethylene glycol poisoning is considered a medical...
Hydrocarbons in Biological News

OU researchers isolate microorganisms that convert hydrocarbons to natural gas

When a group of University of Oklahoma researchers began studying the environmental fate of spilt petroleum, a problem that has plagued the energy industry for decades, they did not expect to eventually isolate a community of microorganisms capable of converting hydrocarbons into natural gas. ...

Animal and plant communication at the ESA Annual Meeting

...s' exoskeletal chemicals with that of the ants. "The chemicals in the bugs' cuticle matched that of the ants," says Whitehead. "The bugs mimic the hydrocarbons that the ants produce, so the ants don't recognize them as something foreign." Even if this chemical camouflage is energetically costly for the bug...

University of Houston diesel testing center teams with state transportation agency to cut emissions

...d the system can be installed on a wide range of diesel engines, including mechanical engines." The system also controls diesel particulate matter, hydrocarbons and carbon monoxide, Mannan said. "Selective-catalytic reduction, which was first developed for the abatement of NOx from power plants, is consider...

Advance in understanding cellulose synthesis

... determine plant cell shape arrive at the appropriate location in the cell to do their job. "Cellulose is the most abundant reservoir of renewable hydrocarbons in the world," remarked Carnegie's David Ehrhardt, a coauthor. "To understand how cellulose might be modified and how plant development might be manip...

UCSB scientists document fate of huge oil slicks from seeps at coal oil point

...hburn thinks that this research will resonate among scientists who have studied oil. "I think it's giving us a lot of insight into the fate of oil and hydrocarbons in the ocean," the UCSB oceanographer said. "There may also be some applications for oil spills." ...

Searching for pollution in the Caribbean

... techniques to measure the contents of trace metals (like lead or mercury), hydrocarbons and pesticides. For example, using x-ray fluorescence reveals easily the tr...ad-210, caesium-137, for sediment dating; and pollutants like heavy metals, hydrocarbons and pesticides," she explained. "We train the scientists (in the region)...

Landfill cover soil methane oxidation underestimated

...onally, landfill gas contains numerous non-methane hydrocarbons that are either volatilized directly from waste ma...educes the emissions of methane and other volatile hydrocarbons from landfills. Determining the importance of this...ria in the soil consume methane and other volatile hydrocarbons that are produced by decomposition in the underlyi...

UNH: Pavement sealcoat a source of toxins in stormwater runoff

...t the University of New Hampshire Stormwater Center (UNHSC) indicates that sealcoat may contribute to increasingly significant amounts of polyaromatic hydrocarbons entering waterways from stormwater runoff. Polyaromatic hydrocarbons, more commonly known as PAHs, are found in diesel and crude oil and are consid...

Microbes in mud flats clean up oil spill chemicals

... pollution and other processes leading to the breakdown of organic matter in the soil, the contamination will persist. While almost all known aromatic hydrocarbons (the petroleum breakdown products) are degraded with oxygen only a few can be completely broken down in the absence of oxygen. However, in a contamina...

Lohafex provides new insights on plankton ecology

...ge or increased negligibly in the bloom. Some of these gases such as nitrous oxide and methane are potent greenhouse gases, others such as halogenated hydrocarbons contribute to stratospheric ozone depletion. By the end of the experiment, chlorophyll concentrations were in decline. By now the patch will have merg...
Hydrocarbons in Biological Technology

The Analysis of Polycyclic Aromatic Hydrocarbons (PAHs) by LC/MS/MS Using an Atmospheric Pressure Photoionization Source

The atmospheric pressure photoionization source, PhotoSpray ion source (Robb, Covey and Bruins1) uses photons to ionize large quantities of a dopant molecule added along with the vaporized mobile phase. Analyte molecules are efficiently ionize...

Synthetic Genomics Inc. and ExxonMobil Research and Engineering Company Sign Exclusive, Multi-Year Agreement to Develop Next Generation Biofuels Using Photosynthetic Algae

...arbon dioxide into cellular oils (lipids) and even some types of long-chain hydrocarbons that can be further processed into fuels and chemicals. However, naturally-...ogical solutions to increase production and/or recovery rates of subsurface hydrocarbons and developing high-yielding, more disease resistant and economic feedstock...

Microtest Labs Expands Clean Room, Contamination Testing Services

...d air/gas testing , including nonviable air particulate testing; compressed air testing for aerobic, anaerobic and fungal organisms; and testing for hydrocarbons and water vapors. For more information about Microtest Laboratories' complete offering of contamination and clean room testing s...

The EntreTech Forum Presents... Greening Of America - The Conversion of Bio-Agriculture, Bio-Energy, and Bio-Products to Eco-Sustainable Businesses

...le Bio" play of bio-agriculture, bio-energy, and bio- products. Last summer we saw the impact of peaking global production of fossil hydrocarbons in the massive price increase for our fuels. Even more devastating was the impact to the agriculture sector for food production, processing and transp...

SRNL's microbes useful for for environmental cleanup and oil recovery

...ore energy than standard oil recovery. Current methods require multiple steps including heating, mechanical mixing, and chemical additions to extract hydrocarbons from the oil sands. There have been concerns about the environmental impact of these operations, including concerns about the amount of water used...

Mission critical for carbon management

... the Dalian Institute of Chemical Physics and V. Ramanathan, from the University of California San Diego. Globally, 85 percent of energy comes from hydrocarbons coal, oil, natural gas and biomass. As demand for energy continues to rise, carbon emissions will increase. PNNL organized the symposium to provide a...

Making gas out of crude oil

... Using a combination of microbiological studies, laboratory experiments and oilfield case studies, the team demonstrated the anaerobic degradation of hydrocarbons to produce methane. The findings offer the potential of feeding the microbes and rapidly accelerating the breaking down of the oil into methane. ...

Exclusive WTN Interview with Don Williamson

...t come from? DW: One of the founding partners was investigating the biology of salmonella-free chicken eggs and the other was cleaning up leaky hydrocarbons in a marina. Neither knew of the others research. After a referral by a third party, the two came together and combined their research into sewer micr...

UW engineers clear bottleneck in hydrogen production

... carbon monoxide's energy. To be useful in a power-generating fuel cell, hydrocarbons such as gasoline, natural gas or ethanol must be reformed into a hydrogen-r...g for producing electrical energy from renewable biomass-derived oxygenated hydrocarbons - such as ethylene glycol derived from corn - because these fuels generate ...

Wisconsin can lead the nation to energy independence

...t becoming a major exporter of biofuels. Air quality and climate benefits: Brazils conversion to ethanol has reduced the levels of lead, sulfur, hydrocarbons and carbon monoxide while dramatically reducing its global climate change impact. Smog forming emissions like nitrogen oxide (NOx) have remained abou...
Hydrocarbons in Biological Products

Bio-Beads SM-2 Macroporous Beads, 100 g from Bio-Rad

Description:...orption of nonpolar substances or surface active agents; for example, the removal of detergents such as Triton X-100 and organics such as polyaromatic hydrocarbons from water. Bead size is 300-1,180 micrometers. Supplied as 100 g....
Company:Bio-Rad
Hydrocarbons in Biological Definition

Alcohol

...insoluble because of the hydrocarbon chain's dominance. Because of hydrogen bonding , alcohols tend to have higher boiling points than comparable hydrocarbons and ethers . All simple alcohols are miscible in organic solvents. This hydrogen bonding means that alcohols can be used as protic solvents . Alc...

Bacterium

...the genus Cytophaga . This ability has also been utilized by humans for industrial uses and for bioremediation . Bacteria capable of digesting the hydrocarbons in petroleum are often used to clean up oil spills . Some beaches in Prince William Sound were fertilized in an attempt to facilitate the growth...

Bacterium

...the genus Cytophaga . This ability has also been utilized by humans for industrial uses and for bioremediation . Bacteria capable of digesting the hydrocarbons in petroleum are often used to clean up oil spills . Some beaches in Prince William Sound were fertilized in an attempt to facilitate the growth...

Magnetic resonance imaging

... used form of medical imaging . MRI has also found many niche applications outside of the medical and biological fields such as rock permeability to hydrocarbons and certain non-destructive testing methods such as produce and timber quality characterization [1] . Contents showTocToggle("show","h...

Origin of life

...from spectral analyses, organic molecules are known to be present in comets and meteorites. In 2004 , a team detected traces of polycyclic aromatic hydrocarbons ( PAH 's) in a nebula , the most complex molecule, to that date, found in space. It can be argued that the most crucial challenge unanswered by thi...

Redox

...oxidizes to and oxygen reduces to iron(III) oxide (commonly known as rusting or tarnishing ): 4Fe + 3O 2 → 2 Fe 2 O 3 . Burning of hydrocarbons to produce water , carbon dioxide , some partially oxidized forms, and heat energy . Complete oxidation of materials containing carbon produces ...

Photolysis

...the hydrogen binds with the coenzyme NADP to form NADPH . Photolysis is also a process in the atmosphere by which primary pollutants such as hydrocarbons and nitrogen dioxide are combined by sunlight to form secondary pollutants such as peroxyacyl nitrates . See photochemical smog . ...

Redox

...oxidizes to and oxygen reduces to iron(III) oxide (commonly known as rusting or tarnishing ): 4Fe + 3O 2 → 2 Fe 2 O 3 . Burning of hydrocarbons to produce water , carbon dioxide , some partially oxidized forms, and heat energy . Complete oxidation of materials containing carbon produces ...
Hydrocarbons in Biological Dictionary

Peroxisome

...roliferator carcinogenesis remains a controversial subject among the ... Activation of Peroxisome Proliferator-Activated Receptors by Chlorinated hydrocarbons and Endogenous Steroids, chlorinated hydrocarbons, trichloroethylene, ... Definition of peroxisome from the Merriam-Webster Online Dictionary wit...

Negative interference

... interference to gene therapy in a classic ... Data on how various gases may interfere with the measurement of a ... Negative interference = hydrocarbons = Rejection ratio can be improved electronically ... eliminate and/or minimize the negative effects of the interference on ORiNOCO ... does not...
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