quinone


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Related to quinone: benzoquinone, quinine, hydroquinone

quin·one

(kwin'ōn, kwī'nōn),
1. General name for aromatic compounds bearing two oxygens in place of two hydrogens, usually in the para position; the oxidation product of a hydroquinone.
2. Synonym(s): 1, 4-benzoquinone (1)

quinone

/qui·none/ (kwi´nōn) (kwin´ōn) any of a group of highly aromatic compounds derived from benzene or from multiple ring hydrocarbons and containing two ketone group substitutions; they are subclassified on the basis of ring structure (i.e., anthraquinone, benzoquinone) and are mild oxidizing agents. Often used specifically to denote benzoquinone, particularly 1,4-benzoquinone.

quinone

(kwĭ-nōn′, kwĭn′ōn′)
n.
1. Either of two isomeric unsaturated cyclic compounds having the formula C6H4O2, found widely in plants, especially in a yellow crystalline form, and used in making dyes, tanning hides, and photography.
2. Any of various quinonoid compounds, often yellow to red in color, many of which have biological derivation or importance, such as coenzyme-Q.

quinone

(1) 1,4-Benzoquinone, see there.  
(2) An aromatic compound with two oxygens substituted for two hydrogens.

quinone

any of the various compounds derived from benzene.
References in periodicals archive ?
Pyrroloquinoline quinone is a plant growth promotion factor produced by Pseudomonas fluorescens B16.
When pyrroloquinoline quinone (PQQ) is added to an amino acid-based, but otherwise nutritionally complete basal diet, it improves growth-related variables in young mice.
Determine concentrations of quinones, carbonyls, and PAHs in ambient air samples at selected sites in the Los Angeles basin.
Chapter 7: Characterizing Quinone Methides by Spectral Global Fitting and 13C Labeling (Edward B.
Synthetic poly(isoprene) was oxidized in the presence of quinone diimines.
Stimulation of nerve growth factor production by pyrroloquinoline quinone and its derivatives in vitro and in vivo.
In the case of glioblastoma multiforme brain cancer, the focus is on finding and screening quinones that could be used in the brain to reverse the radiation-resistance of tumours, and then using those compounds in conjunction with radiation treatment.
Similar results were obtained with 1,2-naphthaquinone, whereas a nonredox-cycling quinone, AQ, was inactive (not shown).
Pyrroloquinoline quinone stimulates mitochondrial biogenesis through cAMP response elementbinding protein phosphorylation and increased PGC-lalpha expression.
Quinones was arrested nine days earlier in Puerto Rico.
This platform for the entertainment industry professional is a huge benefit to talent of all types all over the world because they will be able to create a portfolio with pictures, videos, audio and a biography for agents to review and possibly get added to the agent's network," Quinones said.
Culture shock jolted 14-year-old John Quinones when his family moved from Puerto Rico to the Orlando area in 1979 searching for a better quality of life and education opportunities.