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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Rus Eng


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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2010, 3, 64—73.

Effects of Specific and Non-Specific Interactions on Solvation Enthalpy Parameters of Amino Acids in Aqueous Organic Solvents

E. Yu. Tyunina, V. G. Badelin

Author affiliations
Institute of Solution Chemistry, Russian Academy of Sciences
153045 Ivanovo, Akademicheskaya Str., 1. 

The enthalpy coefficients of pair-wise interactions hxy for the amino acid – co-solvent pair has been evaluated at infinitive dilution concentration using the McMillan-Mayer theory in the ternary aqueous systems. It was showed that the enthalpy coefficients of pair-wise intermolecular interaction of amino acids with organic co-solvents depend on the properties of these solvents and can be quantitatively expressed in the form of the multi-parameter equations (by the LSER principle). The estimation of specific (predominantly electron donor type) and non-specific solvation effects in studied the systems was carried out.

Keywords: amino acids, aqueous organic solutions, enthalpy, multi-parameter equations

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