Archives of Acoustics, 15, 3-4, pp. 349-354, 1990

Ultrasonic studies of the hydration of amino acids and oligopeptides

A. Juszkiewicz
Faculty of Chemistry, Jagiellonian University, 30-060 Kraków, ul. Karasia 3

Hydration number of selected amino acids, their hydrochlorides and their oligopeptides with glycine were determined by the ultrasonic method. Assuming additivity of cont¬ributions of ionic and non-ionic groups to the total hydration of the studied substances, the hydration numbers of the free amino acids were calculated. The results obtained are interpreted on the basis of the pseudocrystalline model of water structure.
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