S. P. Gabuda, A. A. Gaidash, V. A. Drebushchak, S. G. Kozlova, “Physical properties and structure of bound water in collagen-type fibrillar proteins as studied by scanning calorimetry”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2005, Volume 82, Issue 9,Pages <nobr>693

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Physical properties and structure of bound water in collagen-type fibrillar proteins as studied by scanning calorimetry

S. P. Gabuda^a, A. A. Gaidash^ab, V. A. Drebushchak^ac, S. G. Kozlova^a

^a Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences
^b Institute for Clinical and Experimental Medicine, Siberian Branch of Russian Academy of Medical Sciences
^c Institute of Mineralogy and Petrology, Siberian Branch RAS, Novosibirsk

Abstract: The first-order phase transition observed in half ($\sim50\%$) of bound water in rat-tail tendon collagen has been studied by a calorimetric technique. The latent heat of transition, the transition temperature, and the specific heat of a high-temperature phase of this subsystem is found to be close to the characteristics of free water. The properties of the other half ($\sim50\%$) of bound water in collagen are similar to the properties of zeolite water.

PACS: 87.15.By, 87.19.Pp

Received: 05.09.2005
Revised: 04.10.2005