Reactivity differences between haemoglobins. Part IX. Thermodynamics of the reaction of azide ion with some animal methaemoglobins

作者: A. C. Anusiem , J. G. Beetlestone , D. H. Irvine

DOI: 10.1039/J19680001337

关键词: ChemistryEnthalpyAzideMethemoglobinPhysical chemistryInorganic chemistryPh rangeFree energiesStandard enthalpy of formationIsoelectric pointIonPhysical and Theoretical Chemistry

摘要: The free energies and enthalpies of formation the azide complexes pigeon, dog, guinea pig methaemoglobins have been determined as a function pH. A characteristic feature these reactions is almost exact compensation between large enthalpy entropy changes over wide pH range, bell-shaped curve describing variation ΔH with correlation shown to exist maximum isoelectric point any methaemoglobin.

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