isomer

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“
However, the trans-10 cis-12 CLA isomer alone is known to have some adverse effects, such as, fatty liver formation, insulin resistance, etc. which can be corrected by combining with the cis-9 trans-11 CLA isomer, which is known to improve insulin sensitivity as well as fatty liver formation, "wrote the researchers.

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Definitions (5)

Toggle American Heritage definitions American Heritage Dictionary (2)

  1. noun Chemistry Any of two or more substances that are composed of the same elements in the same proportions but differ in properties because of differences in the arrangement of atoms.
  2. noun Physics Any of two or more nuclei with the same mass number and atomic number that have different radioactive properties and can exist in any of several energy states for a measurable period of time.

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Examples (50)

  • Both isomers showed similar pH stability behavior, but R-isomer was more susceptible to enzymatic metabolism compared to S-isomer, when incubated with enzymes collected from various segments of GIT. —  CiteULike: Everyone's library
  • Based on the in vitro and in vivo results, use of S-isomer for development of a dosage form such as gastro-retentive dosage form can improve oral bioavailability of CP. ampc essay schiz schizophrenia CiteULike organises scholarly —  CiteULike: Everyone's library
  • TRANS FAT: An unsaturated fat containing trans-isomer fatty acids that are considered promoters of unhealthy cholesterol. —  DesMoinesRegister.com - NEWS
  • If you buy a supplement containing resveratrol, try to understand that if there is trans-E isomer or active low cis-Z. —  MyLinkVault Newest Links
  • In another commonly used chiral drug, naproxen, one isomer is analgesic; the other causes liver damage. —  Nano Tech Wire
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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. Greek īsomerēs, having equal share : īso-, iso- + meros, part, share; see (s)mer-2 in Indo-European roots.

Toggle Century etymologies Century Dictionary (1)

  1. from Greek ἰσομερής, having equal parts: see isomerous.
 

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/ˈaɪsəmər/
by American Heritage

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