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单词 protonate
释义

Definition of protonate in English:

protonate

verb ˈprəʊt(ə)neɪtˈprōtnˌāt
[with object]Chemistry
  • Transfer a proton to (a molecule, group, or atom) which forms a coordinate bond to the proton.

    the acid environment favours conversion of these anions to their protonated uncharged form
    Example sentencesExamples
    • All aspartic acid and glutamic acid residues as well as C-terminal groups were deprotonated; arginine, lysine, and N-terminal groups were protonated.
    • Once all contacts are established and the ligand is protonated, the interaction is quite strong and the dissociation reaction is much slower than with similar amidine compounds.
    • Ionizable groups were protonated to represent pH = 7.0.
    • In the second basic photocycle step, the chromophore is protonated and structural changes take place in the protein.
    • We postulate that this pathway is blocked when both groups are protonated (state A) or deprotonated (state C).

Derivatives

  • protonation

  • noun
    Chemistry
    • This implies that chromophore protonation precedes the exposure of hydrophobic surface.
      Example sentencesExamples
      • This reaction is initiated by the electrophilic protonation of isobutylene.
      • The protonation of amino acid side chains was supposed to cause the reorganization of the native state into the so-called A-state.
      • The rate constants of protonation of these reactants had been measured previously by manual analysis and their pK values are directly measured.
      • These reactions, some of which are run on a large scale in the petroleum industry, are initiated by the protonation of saturated hydrocarbons.
 
 

Definition of protonate in US English:

protonate

verbˈprōtnˌāt
[with object]Chemistry
  • Transfer a proton to (a molecule, group, or atom), so that a coordinate bond to the proton is formed.

    the acid environment favors conversion of these anions to their protonated uncharged form
    Example sentencesExamples
    • In the second basic photocycle step, the chromophore is protonated and structural changes take place in the protein.
    • All aspartic acid and glutamic acid residues as well as C-terminal groups were deprotonated; arginine, lysine, and N-terminal groups were protonated.
    • Once all contacts are established and the ligand is protonated, the interaction is quite strong and the dissociation reaction is much slower than with similar amidine compounds.
    • Ionizable groups were protonated to represent pH = 7.0.
    • We postulate that this pathway is blocked when both groups are protonated (state A) or deprotonated (state C).
 
 
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更新时间:2024/12/23 23:39:55