Quinone - Wikipedia
网页The quinones are a class of organic compounds that are formally "derived from aromatic compounds [such as benzene or naphthalene] by conversion of an even number of –CH= groups into –C(=O)– groups with any necessary rearrangement of double bonds", resulting in "a fully conjugated cyclic dione structure".
Julián Quiñones - Wikipedia
网页Quiñones joined Liga MX club Tigres UANL from his native Colombia to play in the under-20 squad and was the top goal scorer in the Apertura 2015 season. In 2016, he was loaned out to Ascenso MX side Venados.
John Quiñones - Wikipedia
网页https://www.johnquinones.com/. Juan Manuel " John " Quiñones (born May 23, 1952) is an American journalist and host. After earning a degree from Columbia University Graduate School of Journalism, he became an ABC News correspondent for 20/20, Nightline and Good Morning America.
Quinone | Definition & Uses | Britannica
网页quinone, any member of a class of cyclic organic compounds containing two carbonyl groups, > C = O, either adjacent or separated by a vinylene group, ―CH = CH―, in a six-membered unsaturated ring. In a few quinones, the carbonyl groups are located in …
The chemical and biological activities of quinones: overview and ...
网页2011年4月20日 · Quinones are electron carriers playing a role in photosynthesis. As vitamins, they represent a class of molecules preventing and treating several illnesses such as osteoporosis and cardiovascular diseases.
26.2: Quinones - Chemistry LibreTexts
网页2021年7月31日 · Besides playing a vital role in the oxidation-reduction processes of living organisms, quinones occur widely as natural pigments found mainly in plants, fungi, lichens, marine organisms, and insects (see alizarin, Section 28-4A, as representative of a natural anthraquinone-type dye).
Quinone - an overview | ScienceDirect Topics
网页Quinone. A quinone is a class of toxicological intermediates known for their strong oxidizing properties and ability to cause skin, eye, and respiratory irritations. They are used in detecting chemical processes, producing dyes, and can lead to neurotoxic effects such as vision disturbances.
Quinones: more than electron shuttles - ScienceDirect
网页2022年7月1日 · Bacterial quinones are lipophilic redox compounds involved in important cellular roles such as electron transport in respiratory and photosynthetic chains.
Quinones History, Family Crest & Coats of Arms - HouseofNames
网页Read the Quinones surname history and see the family crest, coat of arms for the Spanish Origin. Discover the Quinones surname history. Where did the name Quinones come from?
Quinones shuffling the CARDs - Nature Plants
网页2020年9月2日 · Quinones are small secondary metabolites synthesized by a broad range of organisms. Perception of these aromatic molecules in plants involves membrane-bound LRR-RLKs to induce downstream cellular...
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