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Alcohols in Medical News

Report finds extensive use of illicit alcohol

...d alcohol poses a serious threat to public health, particularly in developing and transition countries. Also included in the report are nonbeverage alcohols derived from medicinal compounds, automobile products, and cosmetics. Nonbeverage alcohols, often used to increase alcohol concentration, are a relati...

Smoking Hampers Alcoholics' Neurocognitive Recovery During Abstinence

...sco, and corresponding author for the study. Nicotine and alcohol may enhance each others rewarding properties; nicotine may decrease some of alcohols negative effects on cognition and motor incoordination; paired use of nicotine and alcohol may produce a strong association between the two substances...

Binge Drinking Leads to Neurocognitive Deficits Among College Students

... know that alcoholics tend to have poorer neurocognitive functioning, including decision making, than non-alcoholics do. Less is known, however, about alcohols effects on decision-making capabilities among people who drink heavily but are not considered alcoholics. A new study has found that binge drinking ca...

Study Shows No Difference between Policosanol and Placebo

... Journal of the American Medical Association. The study was conducted by Heiner Berthold of the University of Cologne, Germany. The drug contains alcohols which act on cholesterol metabolism in the liver in a different way than statins. The study analysed 143 patients with high cholesterol for a period o...

PFCAs Detected in the Artic

...e slowly and release fluorotelomer alcohols. These alcohols can be transported by the wind over long distances...sher fluid, they found levels of the fluorotelomer alcohols as high as 4 per cent. Hence the researchers...ons of at least 100,000 kilograms of fluorotelomer alcohols resulted in substantial amount of the PFCAs being ...
Alcohols in Medical Dictionary

Propyl alcohol

...ing from swallowing propyl alcohol . ... Britannica online encyclopedia article on propyl alcohol (chemical compound), one of two isomeric alcohols used as solvents and intermediates in chemical ... Determine the following information:The patients age, weight, and conditionThe name of the prod...
Alcohols in Biological News

Russian 'surrogate' alcohols are a killer

Heavy alcohol consumption contributes to numerous problems in Russia, not the least of which is a very high death rate. In an ongoing study of 25- to 54-year-old Russian men living in an industrial city, researchers have discovered that a significant proportion consume "surrogate" alcohols, otherw...

Commercial yeasts upgraded with an enzyme for biofuel production

...s: "We have successfully demonstrated the conversion of waste sugars into ethanol. However, ethanol is not the best renewable biofuel. There are other alcohols with many more promising properties." Together with his company, Butalco GmbH, Boles is now constructing yeast strains to convert plant waste material...

Researchers push nature beyond its limits to create higher-density biofuels

...th food poisoning, to produce unusually long-chain alcohols essential in the creation of biofuels. "Previously, we were able to synthesize long-chain alcohols containing five carbon atoms," said James Liao, UC...because that was what could be naturally achieved. alcohols were never synthesized beyond five carbons. Now, w...

Acrylic glass made of sugar

...eipzig. In future, polymethyl methacrylate (PMMA for short) - better known as acrylic glass - could be made from natural raw materials such as sugars, alcohols or fatty acids. PMMA is manufactured by polymerising methyl methacrylate (MMA). In a bacterial strain, scientists at the University of Duisburg-Essen ...

Bacteria manage perfume oil production from grass

...il, which is made up of chemicals called sesquiterpenes. These are used in plants as pheromones and juvenile hormones. The essential oils also contain alcohols and hydrocarbons, which, together with the sesquiterpenes are primarily used in perfumery and cosmetics. The perfumery and flavouring industry could b...

Future for clean energy lies in 'big bang' of evolution

...r humans now there is the tantalising possibility of tweaking the photosynthetic reactions of cyanobacteria to produce fuels we want such as hydrogen, alcohols or even hydrocarbons, rather than carbohydrates. Progress at the research level has been rapid, boosting prospects of harnessing photosynthesis no...

More efficient fuel-cells, thanks to a new catalyst

...esearch. But the PhD thesis of Mr Barranco is not limited to describing and producing the new catalyst. His work falls within the remit of the overall alcohols Oxidation Fuel Cell Research being undertaken at the Industrial Chemistry and Electrochemical Engineering Laboratory of the Polytechnic University Sch...

How what and how much we eat (and drink) affects our risk of cancer

...ent of other breast cancer tumor types. But we have enough numbers to study alcohols influence on ER+/PR+ breast cancer, she said. Epidemiologic studies have... a fuel for hormone-sensitive breast cancer. But few studies have looked at alcohols effect on tumor type. In this study, the researchers reviewed data from ...

If corn is biofuels king, tropical maize may be emperor

...cellulose in switchgrass, corn stover and other biofuel crops must be treated with enzymes to convert them into sugars that can be then fermented into alcohols such as ethanol. Storing simple sugars also is more cost-effective for the plant, because it takes a lot of energy to make the complex starches, ...

Story tips from the US Department of Energy's Oak Ridge National Laboratory, September 2007

...ontact: Fred Strohl, (865) 574-4165; strohlhf@ornl.gov ] GENETICS -- Tastes great . . . Different zests for beer might reveal more about alcohols effect on the brain reward system than inherent differences in taste sensitivity, according to findings by a group of researchers led by Judy Grisel o...
Alcohols in Biological Technology

Gold-palladium nanoparticles achieve greener, smarter production of hydrogen peroxide

...rs in the past four years on the topic for Science and Nature. In 2006, they reported the potential of gold-palladium nanoparticles to oxidize primary alcohols to aldehydes in a more environmentally friendly manner. That reaction is important to the production of spices and perfumes. In 2008, they reported th...

Semiconducting nanotubes produced in quantity at Duke

...for the growing nanotubes. In the new work they tried various ratios of two alcohols -- ethanol and methanol -- combined with two other gases they also used pre...n and hydrogen. "We found that by using the right combination of the two alcohols with the argon and hydrogen we could grow exclusively semiconducting nanotu...

Scientists peel away the mystery behind gold's catalytic prowess

...ed by Science in the past two years. The first, published in 2006, reported on the use of gold-palladium nanoparticles to catalyze the conversion of alcohols into aldehydes, the chemical process that is important in the synthesis of some spices and perfumes. In 2005, the group reported in Nature that t...

DOE JGI Director Eddy Rubin highlights the genomics of plant-based biofuels in the journal Nature

...nomics previously applied to sequencing the human genome are being exploited by bioenergy researchers to design next-generation biofuels, higher-chain alcohols and alkanes, with higher energy content than petroleum and more adaptable to existing infrastructure." ...

GreenField Ethanol and Enerkem Announce Plans to Make Cellulosic Ethanol a Commercial Reality

...more information, visit http://www.enerkem.com . About GreenField Ethanol ------------------------ GreenField Ethanol Inc., formerly Commercial alcohols Inc., is Canada's leading ethanol producer. The company produces 250 million litres a year of fuel ethanol at its plants in Chatham and Tiverton, Onta...

Laser Capture Microdissection (LCM) and Expression Profiling of Long-Range Projection Neurons

...ely 30 seconds). Slides were immediately placed in 75% ethanol for 30 seconds for fixation, followed by a 15 second distilled water rinse. NOTE: All alcohols and xylenes should be prepared fresh. Steps using 100% EtOH are particularly sensitive, as small amounts of water at this stage may interfere with mic...

Laser Capture Microdissection (LCM) for the Analysis of Macrophage Gene Expression from Atherosclerotic Lesions

... alka- line phophatase enzyme completely inhibits the reaction and does not produce any visible staining.
  • It is important that the alcohols and the xylenes be prepared fresh and not be reused since insufficient dehydra- tion will dramatically affect the ability to perform successful LCM. ...
  • Alcohols in Biological Definition

    Alcohol

    ...ucture 1.1 Primary, Secondary, and Tertiary alcohols 1.2 Methanol and ethanol 2 Other common alcohols 3 Uses 4 Sources 5 Nomenclature ...cal properties 7 Toxicity 8 Chemistry of alcohols 8.1 Preparation 8.1.1 Laboratory ...

    Enzyme

    ... of enzyme Adenylate cyclase : participate in signal transduction by converting ATP into cyclic AMP Alcohol dehydrogenase : breaks down alcohols to aldehydes in human liver; creates alcohol in yeast fermentation Alkaline phosphatase Amylase : breaks starch into maltose , present ...

    Ethyl alcohol

    ...aimer and references Ethyl alcohol , also known as ethanol or grain alcohol , is a flammable, colorless chemical compound , one of the alcohols that is most often found in alcoholic beverages . In common parlance, it is often referred to simply as alcohol . Its chemical formula is C 2 ...

    Redox

    ...de transfer reagents (NaBH 4 , LiAlH 4 ), these reagents are widely used in organic chemistry, primarily in the reduction of carbonyl compounds to alcohols . Another useful method is reductions involving hydrogen gas (H 2 ) with a palladium, platinium or nickel catalyst. These catalytic reductions are p...

    Redox

    ...de transfer reagents (NaBH 4 , LiAlH 4 ), these reagents are widely used in organic chemistry, primarily in the reduction of carbonyl compounds to alcohols . Another useful method is reductions involving hydrogen gas (H 2 ) with a palladium, platinium or nickel catalyst. These catalytic reductions are p...
    Alcohols in Biological Dictionary

    Transesterification

    ...ither transesterification or alcoholysis. The process involves reacting vegetable oils or animal fats catalytically with a short-chain aliphatic alcohols . transesterification ( ¦transe¦sterəfə′kāshən ) ( organic chemistry ) Conversion of an organic acid ester into another ester of that same BIO...

    Oxidation

    ...Reduction occurs when the oxidation number of an atom decreases. ... Britannica online encyclopedia article on oxidation (chemical reaction), alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional ... Information about oxidation in the free online English dic...

    Hydrolysis

    ...a.com. ... hydrolysis , chemical reaction of a compound with water, usually resulting in ... Splitting esters into acids (or their salts) and alcohols using water, dilute acid or dilute alkali, including splitting of large esters to make soap. Britannica online encyclopedia article on hydrolysis ...
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