- optically active compound
- Медицина: оптически активное соединение
Универсальный англо-русский словарь. Академик.ру. 2011.
optically active compound
Смотреть что такое "optically active compound" в других словарях:
optically active — optical activity optical activity n. (Chem.) the ability of a chemical compound to rotate the plane of plane polarized light. This is found only in chemicals whose molecular structure does not have a plane of symmetry, and is common in… … The Collaborative International Dictionary of English
optically active — adjective (of a crystal or compound) exhibiting optical activity … Wiktionary
compound — 1. In chemistry, a substance formed by the covalent or electrostatic union of two or more elements, generally differing entirely in physical characteristics from any of its components. 2. In pharmacy, denoting a preparation containing several… … Medical dictionary
organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… … Universalium
Meso compound — A meso compound or meso isomer is a non optically active member of a set of stereoisomers, at least two of which are optically active.[1][2] This means that despite containing two or more stereocenters (chiral centers) it is not chiral. A meso… … Wikipedia
racemate — /ray see mayt, reuh /, n. Chem. 1. a salt or ester of racemic acid. 2. a racemic compound. [1825 35; RACEM(IC ACID) + ATE2] * * * Mixture of equal quantities of two enantiomers, substances whose molecular structures are mirror images of one… … Universalium
walden inversion — ˈwȯldən noun Usage: usually capitalized W Etymology: after Paul Walden died 1957 Latvian organic chemist : an inversion of configuration of one optically active compound into another that may or may not lead to a change in the direction of… … Useful english dictionary
liquid crystal display — n. LCD * * * ▪ electronics Introduction electronic display device that operates by applying a varying electric voltage to a layer of liquid crystal, thereby inducing changes in its optical properties. LCDs are commonly used for portable… … Universalium
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
Pfeiffer Effect — The Pfeiffer Effect is an optical phenomenon whereby the presence of an optically active compound influences the optical rotation of a racemic mixture of a second compound. Racemic mixtures do not rotate plane polarized light, but the equilibrium … Wikipedia
rotation — 1. Turning or movement of a body around its axis. 2. A recurrence in regular order of certain events, such as the symptoms of a periodic disease. 3. In medical education, a period of time on a particular service or specialty … Medical dictionary
