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isomer
isomer
isomer Either or any of 2 or more compounds that have the same molecular composition but different molecular structure. Isomers differ from each other in their physical and chemical properties.
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Isomers of Conjugated Linoleic Acid Differ in Their Effects on Angiogenesis and Survival of Mouse Mammary Adipose Vasculature1
Magazine article from: The Journal of Nutrition; 2/1/2004; ; 700+ words
; ...Independent of this isomer-specific adipose apoptotic effect, both isomers induced a rapid and...is the predominant isomer present in food...amounts of other CLA isomers are present as well...and the mixed CLA isomer preparation was shown...ability of mixed isomers of CLA in the ...
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Trans Isomers in Cosmetics Part 2.(James Brown, president of Floratech, research on trans isomers in cosmetics)(Statistical Data Included)
Magazine article from: Soap & Cosmetics; 6/1/2001; ; 700+ words
; ...containing about 50% trans isomers is offered to the trade under...determine the absence of trans isomers and/or request appropriate...certification from suppliers. TRANS ISOMER ANALYSIS It is possible to...lipid material contains trans isomers through a number of different...
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Trans Isomers in Cosmetics.(regulation information)
Magazine article from: Soap & Cosmetics; 5/1/2001; ; 700+ words
; ...food labels. This trans fatty acid isomer phenomenon is the latest "food borne...products. The good news is that trans isomers are easy to detect, there are alternative...found in lipid chains. The cis isomer is simplistically represented by both...
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Conjugated Linoleic Acid Isomers Reduce Blood Cholesterol Levels but Not Aortic Cholesterol Accumulation in Hypercholesterolemic Hamsters
Magazine article from: Lipids; 1/1/2006; ; 700+ words
; ...0.5% 10t,12c CLA isomer. Group 4 was fed the...the control, both CLA isomers and LA had significantly...whereas the 10t,12c CLA isomer diet tended to raise...observed between the CLA isomers for changes in plasma...However, the 9c,11t CLA isomer did appear to lower plasma...
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Beta-carotene isomers in human serum, breast milk and buccal mucosa cells after continuous oral doses of all-trans and 9-cis beta-carotene
Magazine article from: The Journal of Nutrition; 10/1/1997; ; 700+ words
; ...WORDS: - Beta-carotene isomers absorption * tissue uptake...several different geometric isomers, including the all-trans...13-cis, and 15-cis isomers (Chandler and Schwartz 1987). The major BC isomer in human serum is all-trans...
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Enrichment of CLA Isomers by Selective Esterification with L-Menthol Using Candida rugosa Lipase
Magazine article from: JAOCS, Journal of the American Oil Chemists' Society; 2/1/2006; ; 700+ words
; ...12c)-CLA. Each isomer was fractionated...esterification of CLA isomers was conducted with...reported that each isomer has different physiological...containing the two CLA isomers at arbitrary contents...fractionated two CLA isomers by selective esterification...recovery of each ...
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Evaluation of D-Isomers of O-^sup 11^C-Methyl Tyrosine and O-^sup 18^F-Fluoromethyl Tyrosine as Tumor-Imaging Agents in Tumor-Bearing Mice: Comparison with L- and D-^sup 11^C-Methionine
Magazine article from: The Journal of Nuclear Medicine; 4/1/2006; ; 700+ words
; ...performed. Accumulation of the D-isomers of ^sup 11^C-MET, ^sup...SUV]) levels of the D-isomers of ^sup 11^C-MET, ^sup...72%, and 95% of each L-isomer 60 min after administration...blood ratios of these D-isomers were 130%, 140%, and 182...
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Conjugated [alpha]-Linolenic Acid Isomers in Bovine Milk and Muscle
Magazine article from: Journal of Dairy Science; 11/1/2007; ; 700+ words
; ...showed that both CLnA isomers were found in the muscle...11, cis-15 18:3 isomer was identified in the...first to identify 2 CLnA isomers in bovine muscle lipid...Among the CLA, 2 major isomers, cis-9, trans-11...9, trans-ll 18:2 isomer is found in milk and...
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Halcyon Ventures Inc.: Isomer Announces Change in Ownership.
Business Wire; 11/11/2004; 672 words
; TORONTO -- Isomer Capital Corporation and Halcyon Ventures Inc. jointly announced...Inc. all of the issued and outstanding common shares of Isomer and certain indebtedness of Isomer owned to 1452174 Ontario Inc. in the amount of approximately...
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Essential fatty acid isomers-a potential health risk?
Magazine article from: International News on Fats, Oils and Related Materials : INFORM; 3/1/2006; ; 700+ words
; ...human intake of ALA isomers, proving that long chain isomers are formed and incorporated...ALA. with a trans isomer in position 15. is...acid and that this isomer is misrecognizsed by...the effect of rans isomers of linoleic acid on...
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isomer
Book article from: The Columbia Encyclopedia, Sixth Edition
isomer , in chemistry, one...General Characteristics Isomers have the same number...there are two geometric isomers of 2-butene, CH...through an optical isomer it is rotated into...polarization. Optical isomers exhibit this optical...
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Isomer
Encyclopedia entry from: The Gale Encyclopedia of Science
Isomer Isomer is the term used to describe...There are two main types of isomers. Structural isomers differ...compound is said to be a cis isomer (from the Latin “...are superimposable, the isomers are said to be geometric...
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isomers
Book article from: World Encyclopedia
isomers Chemical compounds having the same molecular formula...arrangement of atoms within the molecules. Structural isomers have atoms connected in different ways. Geometric isomers, also called cis-trans isomers, differ in their symmetry...
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optical isomers
Book article from: A Dictionary of Biology
optical isomers See optical activity .
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Tartaric Acid
Encyclopedia entry from: The Gale Encyclopedia of Science
...acid exists in four forms (isomers are molecular rearrangements...of tartaric acid is the L-isomer, which rotates light to the...biological molecules have optical isomers, only one of the isomers or forms will be active biologically...
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