zwitterion

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'Others have searched for such zwitterion [electrically neutral compound that carries positive and negative charges on different atoms] formation in molecular clusters unsuccessfully, but theoreticians had predicted the possibility that only four water molecules might suffice for the reaction to proceed spontaneously,' adds Zwier.

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Examples (8)

  • 'Others have searched for such zwitterion [electrically neutral compound that carries positive and negative charges on different atoms] formation in molecular clusters unsuccessfully, but theoreticians had predicted the possibility that only four water molecules might suffice for the reaction to proceed spontaneously,' adds Zwier. —  Latest Articles
  • Control of pH in human long-term bone marrow cultures with low-glucose medium containing zwitterion buffer lengthens the period of haemopoietic activity. —  The World's Healthiest Foods
  • With six water molecules the neutral and zwitterion are nearly isoenergetic. —  CiteULike: Everyone's library
  • These findings, and the striking difference from phenacylpyridine, are ascribed to differences in thermodynamic driving force arising from stronger binding of the proton to the more basic pyridine than pyrazine nitrogen atom in both the reactant keto tautomer and in the enaminone or zwitterion product of the rate-determining (proton transfer) step of the enolization. sole_kwasow_tluszczowych tautomeria CiteULike organises scholarly (or academic) papers or literature and provides bibliographic (which means it makes bibliographies) for universities and higher education establishments. —  CiteULike: Everyone's library
  • Microsolvation of the neutral, zwitterion, and unconventional zwitterion (formed by the proton transfer from the thiol to the amine group) was performed using PBE1PBE / 6-311+G (d, p) calculations. —  CiteULike: Everyone's library
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Etymologies (1)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. German : Zwitter, hybrid (from Middle High German zwitarn, from Old High German, from zwi-, twice; see dwo- in Indo-European roots) + Ion, ion (from Greek; see ion).
 

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