semiquinone
A free radical resulting from the removal of one hydrogen atom with its electron during the process of dehydrogenation of a hydroquinone to quinone or similar compound ( e.g., flavin mononucleotide).

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semi·quin·one (sem″e-kwinґōn) a free radical derived from quinones or quinone imines by the addition of a single H atom to a molecule.

Medical dictionary. 2011.

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  • semiquinone — semichinonas statusas T sritis chemija apibrėžtis Anijonradikalas. formulė Formulę žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. semiquinone rus. семихинон …   Chemijos terminų aiškinamasis žodynas

  • Semiquinone — An Ubisemiquinone is a free radical resulting from the removal of one hydrogen atom with its electron during the process of dehydrogenation of a hydroquinone to quinone or alternatively the addition of a single H atom to a quinone …   Wikipedia

  • semiquinone — /sem ee kwi nohn , kwin ohn, sem uy /, n. Chem. any of the class of free radicals formed as intermediates in the oxidation of a hydroquinone to a quinone. [SEMI + QUINONE] * * * …   Universalium

  • semiquinone — noun An intermediate free radical generated in the conversion of quinones to/from hydroquinones …   Wiktionary

  • Semiquinone — Семихинон (напр. семибензохинон, C6H4O2) …   Краткий толковый словарь по полиграфии

  • semiquinone — semi·quinone …   English syllables

  • semiquinone — “+ noun Etymology: semi + quinone : any of a class of free radicals derived from quinones or quinone imines by the addition of a single hydrogen atom to a molecule compare meriquinone …   Useful english dictionary

  • UQH — SemiQuinone (Medical) * Unquadhexium (element 146) (Academic & Science » Chemistry) …   Abbreviations dictionary

  • Q cycle — History The Q cycle describes a series of reactions first proposed by Peter Mitchell that describe how the sequential oxidation and reduction of the lipophilic electron carrier, ubiquinol ubiquinone (a.k.a. Coenzyme Q), can result in the net… …   Wikipedia

  • Flavin — For the town in France, see Flavin, Aveyron .Flavin (from Latin flavus , yellow ) is the common name for a group of organic compounds based on pteridine, formed by the tricyclic heteronuclear organic ring isoalloxazine. The biochemical source is… …   Wikipedia

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