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单词 stereospecific
释义

Definition of stereospecific in English:

stereospecific

adjective ˌstɛrɪəʊspɪˈsɪfɪkˌstɪərɪəʊspɪˈsɪfɪkˌstɛriəspəˈsɪfɪk
Chemistry
  • another term for stereoselective
    Example sentencesExamples
    • This behavior is consistent with the idea that a small amount of rigorlike, stereospecific actomyosin complexes are formed as a result of normal contractile activity.
    • Third, the reactions are ordinarily very stereospecific.
    • Enzymes have been widely praised for their specificity and efficiency in stereospecific catalysis.
    • This observation seems inconsistent with the hypothesis that myosin heads bind to actin in a stereospecific conformation in low ionic strength relaxing conditions.
    • In order for both cross-bridges to make identical, stereospecific contacts with actin, a much larger amount of angular distortion would be required than has previously been observed in actin cross-bridges.

Derivatives

  • stereospecifically

  • adverb
    Chemistry
    • It appears that only one of the heads in the pair stereospecifically interacts with the thin filament at any one time.
      Example sentencesExamples
      • Nevertheless, the data presented here are consistent with the idea that during isometric contraction a large fraction of cross-bridges is stereospecifically attached to actin in a nonrigor-like conformation.
      • When spin labels are rigidly and stereospecifically bound to sites within the muscle fiber, experimentalists can take advantage of the highly ordered, oriented system to study rigid-body motion of protein structures.
      • The result is that the hydration of fumarate proceeds stereospecifically with the production of L-malate.
      • Acid-catalyzed hydrolysis of the C - 6 methyl enol ether affords codeinone, which may be stereospecifically reduced with sodium borohydride to codeine.
  • stereospecificity

  • nounˌstɛrɪəʊspɛsɪˈfɪsɪtiˌstɪərɪəʊspɛsɪˈfɪsɪti
    Chemistry
    • However, further experimental verification of label stereospecificity will be provided by bifunctional spin probes whose orientation and mobility are restricted by two attachment sites.
      Example sentencesExamples
      • While this lack of stereospecificity does not establish that the oxidation is artefactual (the chiral centre is five bonds away from the aldehyde group) it was, nevertheless, cause for disquiet.
      • For the first time, we observe that the acyl binding site of cholesterol esterase shows stereospecificity for diastereomeric inhibitors.

Definition of stereospecific in US English:

stereospecific

adjectiveˌsterēəspəˈsifikˌstɛriəspəˈsɪfɪk
Chemistry
  • (of a reaction) preferentially producing a particular stereoisomeric form of the product, irrespective of the configuration of the reactant.

    Example sentencesExamples
    • This observation seems inconsistent with the hypothesis that myosin heads bind to actin in a stereospecific conformation in low ionic strength relaxing conditions.
    • Enzymes have been widely praised for their specificity and efficiency in stereospecific catalysis.
    • In order for both cross-bridges to make identical, stereospecific contacts with actin, a much larger amount of angular distortion would be required than has previously been observed in actin cross-bridges.
    • Third, the reactions are ordinarily very stereospecific.
    • This behavior is consistent with the idea that a small amount of rigorlike, stereospecific actomyosin complexes are formed as a result of normal contractile activity.
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更新时间:2024/12/27 21:21:59