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Microcalorimetric Determination of ΔH 0 , ΔG 0 and ΔS 0 for the Interaction of the Carrier Antibiotics Nigericin and monensin with sodium and potassium ions
Author(s) -
Lutz W. K.,
Früh P. U.,
Simon W.
Publication year - 1971
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19710540840
Subject(s) - nigericin , chemistry , monensin , potassium , sodium , isothermal microcalorimetry , ion , inorganic chemistry , ionophore , methanol , nuclear chemistry , radiochemistry , organic chemistry , enthalpy , membrane , biochemistry , physics , quantum mechanics
The thermodynamic parameters Δ H 0 , Δ G 0 and Δ S 0 – and thereby the equilibrium constants – for the complexation of the carrier antibiotics nigericin and monensin with sodium and potassium ions in methanol at 25°C have been determined by microcalorimetry. The results are discussed in terms of the nature of the interaction between ligands and cations.