✦ LIBER ✦

Partial molar isentropic pressure coefficients of someN-acetyl amino acid and peptide amides at infinite dilution in aqueous solutions at the temperature 298.15 K

✍ Scribed by Gavin R. Hedwig; Harald Høiland

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 315 KB
Volume: 27
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.1995.0076

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✦ Synopsis

The partial molar isentropic pressure coefficients at infinite dilution k a S, 2 =-(1V a 2 /1p)S , where V a 2 is the partial molar volume at infinite dilution, have been determined for six N-acetyl amino acid and peptide amides in aqueous solution at the temperature 298.15 K. The results obtained have been rationalized in terms of the likely solute -water interactions. The contribution of an alanyl side-chain to the value of k a S, 2 of a peptide has been derived. The result obtained is almost in agreement with that reported in previous work.

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