(Phys.org)—Electronic cigarettes have had their share of both detractors and advocates since they hit the market in 2004. Many people believe that they are healthier than cigarettes, but others say that the effects of e-cigarette ...
(Phys.org)—There are many naturally-occurring supermolecular structures. Among them are catenanes. From the Latin for "chain", a catenane is comprised of two interlocked molecules, and have been found in the mitochondrial ...
(Phys.org)—A team of researchers working in France has detected the presence of aldehydes in ice samples in their lab which were created to simulate material found in interstellar molecular clouds. In their paper published ...
(Phys.org) —A new study by chemists in Switzerland is likely to change the way many stereoisomer molecules are synthesized for industrial, agricultural, or medical uses.
(PhysOrg.com) -- The concept of converting renewable raw materials so cleverly that the same process simultaneously produces both energy and industrially desirable chemicals has been high on the wish-list for those who seek ...
Materials Science
Sep 24, 2010
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Approximately 5% of global carbon emissions are attributable to producing the chemicals that are essential to modern life. Creating a sustainable solution to one chemical reaction in particular—the autoxidation of aldehydes—has ...
Analytical Chemistry
Jan 11, 2024
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The research team of Professor Petra Beli and their collaborators have discovered that aldehydes, a type of toxic chemical produced by the body after drinking alcohol, damage cells by creating chemical crosslinks between ...
Cell & Microbiology
Nov 22, 2023
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Biologists claim that humans can perceive and distinguish a trillion different odors, but little is known about the underlying chemical processes involved. Biochemists at The City College of New York have found an unexpected ...
Biochemistry
Sep 10, 2014
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(Phys.org) -- Max Planck scientists have found out that the olfactory system in hermit crabs is still underdeveloped in comparison to that of vinegar flies. While flies have a very sensitive sense of smell and are able to ...
Plants & Animals
Jul 4, 2012
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(PhysOrg.com) -- Ethanol, often promoted as a clean-burning, renewable fuel that could help wean the nation from oil, would likely worsen health problems caused by ozone, compared with gasoline, especially in winter, according ...
Environment
Dec 14, 2009
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An aldehyde ( /ˈældɨhaɪd/) is an organic compound containing a formyl group. This functional group, with the structure R-CHO, consists of a carbonyl center bonded to hydrogen and an R group. The group without R is called the aldehyde group or formyl group. Aldehydes differ from ketones in that the carbonyl is placed at the end of a carbon skeleton rather than between two carbon atoms. Aldehydes are common in organic chemistry. Many fragrances are aldehydes.
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