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isomer

 [i´so-mer]
any compound exhibiting, or capable of exhibiting, isomerism. adj., adj isomer´ic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

i·so·mer

(ī'sō-mĕr),
1. One of two or more substances displaying isomerism, for example, l-glucose and d-glucose or citrate and isocitrate. Compare: stereoisomer.
2. One of two or more nuclides having the same atomic and mass numbers but differing in energy states for a finite period of time, for example, 99mTc and 99Tc.
[iso- + G. meros, part]
Farlex Partner Medical Dictionary © Farlex 2012

i·so·mer

(ī'sō-mĕr)
1. One of two or more substances displaying isomerism.
Compare: stereoisomer
2. One of two or more nuclides having the same atomic and mass numbers but differing in energy states for a finite period of time.
[iso- + G. meros, part]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

isomer

A chemical compound having the same number of each type of atom (same percentage composition and molecular weight) as another compound, but having different chemical or physical properties.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

iso·mer

(ī'sō-mĕr)
1. One of two or more substances displaying isomerism.
2. One of two or more nuclides having the same atomic and mass numbers but differing in energy states for a finite period of time.
[iso- + G. meros, part]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
5f) if the ternary complex isomerizes with increasing concentration of B.
Disilene 39 isomerizes to cyclopentasilene 40 quantitatively at room temperature (eq [17]).
When the same condition was used to isomerize LSD to iso-LSD, no detectable peak was observed at the retention time of iso-LSD.
Fukuda S, Suzuki Y, Murai M, Asanuma N, Hino T (2006) Isolation of a novel strain of Butyrivibrio fibrisolvens that isomerizes linoleic acid to conjugated linoleic acid without hydrogenation, and its utilization as a probiotic for animals.
Subsequently, peroxynitrite isomerizes to nitrate (N[O.sub.3.sup.-]), a terminal electron acceptor that can promote the luminal growth of S.
Finally, a four-carbon compound known as succinate is formed, isomerizes to malate, and then eventually regenerates into oxaloacetate, ready to start the cycle again.
When light enters the eye, cisretinal isomerizes to all its all-trans isomer, causing disassociation of itself from its protein carrier.
When 1 is heated under reflux in benzene in the presence of the corresponding phenoxymagnesium bromide, it isomerizes to 2.
Under these conditions, some of the fatty acids dimerize, a lesser amount trimerizes, and some isomerizes to monomer.
Bixin occurs in nature as 16-Z (cis), but during the extraction process it isomerizes resulting in the 16-E form (trans), which is called isobixin (Figure 1).
1982), which thermally isomerizes to vitamin [D.sub.3] (Holick et al.
The so formed pre-[D.sub.3] isomerizes to [D.sub.3] in a thermosensitive but noncatalytic process [5].