racemization

racemization
/ras'euh meuh zay"sheuhn, ray see"meuh-/, n. Chem.
the conversion of an optically active substance into an optically inactive mixture of equal amounts of the dextrorotatory and levorotatory forms.
[1890-95; RACEME + -IZATION]

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Universalium. 2010.

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  • racemization — [ras΄ə mi zā′shən] n. the conversion of an optically active substance into a racemic form …   English World dictionary

  • Racemization — In chemistry racemization refers to partial conversion of one enantiomer into another. Stereochemistry Chiral molecules have two forms (at each point of asymmetry) which differ in their optical characteristics: the levorotatory form (the (−) form …   Wikipedia

  • racemization — racemizacija statusas T sritis chemija apibrėžtis Racemato susidarymas vienam enantiomerui virstant kitu. atitikmenys: angl. racemization rus. рацемизация …   Chemijos terminų aiškinamasis žodynas

  • racemization — noun Date: 1895 the action or process of changing from an optically active compound into a racemic compound or mixture • racemize verb …   New Collegiate Dictionary

  • racemization — noun The formation of a racemate from a pure enantiomer. See Also: racemize …   Wiktionary

  • racemization — Partial conversion of one enantiomorph into another (as an l amino acid to the corresponding d amino acid) so that the specific optical rotation is decreased, or even reduced to zero, in the resulting mixture. * * * ra·ce·mi·za·tion also Brit… …   Medical dictionary

  • racemization — race·mi·za·tion …   English syllables

  • racemization — rac•e•mi•za•tion [[t]ˌræs ə məˈzeɪ ʃən, reɪˈsi mə , rə [/t]] n. chem. the conversion of an optically active substance into an optically inactive mixture of equal amounts of the dextrorotatory and levorotatory forms • Etymology: 1895 …   From formal English to slang

  • racemization — ˌrasəmə̇ˈzāshən; rāˌsēm , rəˌs noun ( s) Etymology: racemize + ation : the action or process of changing from an optically active compound into a racemic compound or mixture opposed to resolution …   Useful english dictionary

  • Amino acid dating — is a technique used to estimate age in a wide variety ofsituations. This technique relates changes in amino acid molecules to thetime elapsed since they were formed. This technique is used in paleobiology, archaeology, forensic science, and… …   Wikipedia

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