Heat capacity changes and partial molal heat capacities of some di- and tripeptides in water

Prasad, K. P. ; Ahluwalia, J. C. (1980) Heat capacity changes and partial molal heat capacities of some di- and tripeptides in water Biopolymers, 19 (2). pp. 263-272. ISSN 0006-3525

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Official URL: http://www3.interscience.wiley.com/journal/1075858...

Related URL: http://dx.doi.org/10.1002/bip.1980.360190205

Abstract

Integral enthalpies of solution of several dipeptides and tripeptides in water at low concentrations have been determined at 25 and 35°C. These data have been used to derive the changes in heat capacity on dissolution at infinite dilution ΔC°p at 30°C. Limiting partial molal heat capacities ΔC0p2 have been determined by combining ΔC°p with Cp2 (heat capacity of pure solid peptides). Using the data on ω-amino acids and these peptides, the partial molal heat capacity of a peptide group -CONH- was semiquantitatively estimated.

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Deposited On:21 Sep 2010 04:49
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