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stereoisomer

The Columbia Encyclopedia, Sixth Edition
stereoisomer see stereochemistry ; isomer . ... Read more
stereoisomer
The Oxford Pocket Dictionary of Current English ster·e·o·i·so·mer / ˌsterēx14D;ˈīsəmər; ˌstix259;)r- / • n. Chem. each of two or more compounds differing only in the spatial arrangement of their atoms. DERIVATIVES: ster·e·o·i·so·mer·ic / Read more
beta-galactoside
A Dictionary of Zoology beta-galactoside A glycoside of the beta-stereoisomer (a stereoisomer is an isomer in which groups form a square-shaped plane around a single atom or group) of galactose . Read more

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D-tagatose, a stereoisomer of D-fructose, increases hydrogen production in humans without affecting 24-hour energy expenditure or respiratory exchange ratio
Magazine article from: The Journal of Nutrition; 9/1/1998; ; 700+ words ; D-Tagatose, a Stereoisomer of D-Fructose, Increases Hydrogen Production in Humans without...Koutsou et al. 1996). It has been suggested that D-tagatose, a stereoisomer of fructose, is absorbed to a greater extent than most other low... Read more
Covalently linked gramicidin channels: Effects of linker hydrophobicity and alkaline metals on different stereoisomers
Magazine article from: Biophysical Journal; 4/1/2001; ; 700+ words ; ...on the gating and single-channel conductance of different stereoisomers of the dioxolane-linked gramicidin A (gA) channels reconstituted...dioxolane group to covalently link two gAs. Two different stereoisomers of the dioxolane-linked gA dimers can be synthesized (the... Read more
The conduction of protons in different stereoisomers of dioxolane-linked gramicidin A channels
Magazine article from: Biophysical Journal; 11/1/1999; ; 700+ words ; ABSTRACT Two different stereoisomers of the dioxolane-linked gramicidin A (gA) channels were individually synthesized (the SS and RR dimers; Stankovic et al., 1989... Read more
The effects of two stereoisomers of N-Acetylcysteine on photochemical damage by UVA and blue light in rat retina
Magazine article from: Photochemistry and Photobiology; 9/1/1999; ; 700+ words ; ...under high irradiance conditions in the rat retina. Two stereoisomers of this thiol were tested for protection against two spectrally...protection had diminished. We observed no protection by the stereoisomer N-acetylD-cysteine. From this study we conclude that N-acetyl-Lcystei... Read more
Stereoisomers take a new twist.
Magazine article from: Chemistry and Industry; 1/4/1999; 435 words ; ...Chiral chemistry - also called stereochemistry - deals with pairs of molecules that are mirror images of one another. These 'stereoisomers' are of great interest in pharmaceutical, pesticide, liquid crystal and polymer research. Chiral molecules have a well known... Read more
Biodiscrimination of the eight alpha-tocopherol stereoisomers results in preferential accumulation of the four 2R forms in tissues and plasma of rats
Magazine article from: The Journal of Nutrition; 10/1/1996; ; 700+ words ; ...composed of equal parts of eight stereoisomers, i.e. 12.5% each of the RRR, RRS...of individual alpha-tocopherol stereoisomers were determined by Weiser and Vecchi (1982). Generally, 2R stereoisomers were found to be more active than... Read more
12-oxophytodienoate-10,11-reductase: Occurrence of two isoenzymes of different specificity against stereoisomers of 12-oxophytodienoic acid
Magazine article from: Plant Physiology; 12/1/1998; ; 700+ words ; Florian Schaller, Peter Hennig, and Elmar W. Weiler* The reduction of 12-oxophytodienoic acid (OPDA) to 3-oxo-- 2(2'[Z]-pentenyl)-cyclopentane-1-octanoic acid is catalyzed by 12-- oxophytodienoate-10,11-reductase (OPR). Analysis of the isomer preference of OPR has indicated that the activity is Read more
SYNTHESIS AND STRUCTURE ASSIGNMENT OF 2-(4-METHOXYBENZYL)CYCLOHEXYL [beta]-D-GALACTOPYRANOSIDE STEREOISOMERS
Magazine article from: Collection of Czechoslovak Chemical Communications; 8/1/2006; ; 700+ words ; Several promoters were used in the Koenigs-Knorr synthesis of the title alkyl β-D-galactopyranosides, both in their diastereoisomeric forms (5a/5b and 6a/6b), resulting from the synthesis performed with the respective racemic cis and trans isomers of 2-(4-methoxybenzyl)cyclohexan-1-ol, and in Read more
Two Stereoisomers of Spheroidene in the Rhodobacter sphaeroides R26 Reaction Center: A DFT Analysis of Resonance Raman Spectra
Magazine article from: Biophysical Journal; 8/1/2007; ; 700+ words ; ABSTRACT From a theoretical analysis of the resonance Raman spectra of 19 isotopomers of spheraidene reconstituted into the reaction center (RC) of Rhodobacter sphaeroides R26, we conclude that the carotenoid in the RC occurs in two configurations. The normal mode underlying the resonance Raman Read more
The effects of quinine and quinidine on isolated retinal horizontal cells. (Reports from the Marine Biological General Scientific Meetings)
Magazine article from: The Biological Bulletin; 10/1/1994; ; 594 words ; Quinine and its stereoisomer quinidine have long been used as medicinal tonics to treat conditions as diverse as malaria, muscle cramps, and heart arrhythmias... Read more

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Free Article Neurocrine in-licenses clinical compound valnoctamide stereoisomer for neurological and psychiatric diseases.
Newspaper article from: BIOTECH Patent News; 7/1/2007
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Magazine article from: Nutraceuticals World; 9/1/2004
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