Apparent Molar Volumes of Proline-Leucine Dipeptide in NaCl Aqueous Solutions at 318.15 K

被引：0

作者：

Ângela F. S. S. Mendonça

Sara R. J. Magalhães

Sandra I. M. Rodrigues

Isabel M. S. Lampreia

机构：

[1] Faculdade de Ciências da Universidade de Lisboa,Departamento de Química e Bioquímica, Centro de Ciências Moleculares e de Materiais

来源：

Journal of Solution Chemistry | 2005年 / 34卷

关键词：

Density; salt effect; solute–solvent interactions; proline-leucine dipeptide; aqueous solutions; hydration;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Density measurements of pseudo-binary solutions of proline-leucine dipeptide in aqueous NaCl solutions with molality ranging from 0 to 1 mol-kg−1 have been performed at 318.15 K. Apparent molar volumes, Vϕ, 2, of proline-leucine were calculated from the measured data. Limiting partial molar volumes, V2∞, and limiting partial molar volumes of transfer from water to aqueous NaCl solutions, ΔtrV2∞, were derived and interpreted in terms of ion-dipeptide interactions and changes in the characteristics of the hydration shell around the biomolecules as well.

引用

页码：25 / 32

页数：7

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