Partial Molar Heat Capacities at Chosen Temperatures in the Range (298.15 to 328.15) K and Partial Molar Volumes at 298.15 K of N-Acetyl-N′-methyl-L-α-amino Acid Amides in Aqueous Solution

被引：7

作者：

Belica, Sylwia ^{[1
]}

Ludzik, Katarzyna ^{[1
]}

Palecz, Bartlomiej ^{[1
]}

机构：

[1] Univ Lodz, Dept Phys Chem, PL-90236 Lodz, Poland

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2012年 / 57卷 / 05期

关键词：

T=298.15 K; SIDE-CHAINS; HYDROPHOBICITY PARAMETER; INTERACTION COEFFICIENTS; UREA MOLECULE; WATER; PEPTIDES; DERIVATIVES; MIXTURES; COMPRESSIBILITIES;

D O I：

10.1021/je2012555

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The heat capacities and the densities have been measured for aqueous solutions of N-acetyl-N'-methylglycinamide, N-acetyl-N'-methyl-L-alpha-alaninamide, N-acetyl-N'-methyl-L-alpha-valinamide, N-acetyl-N'-methyl-L-alpha-leucinamide, N-acetyl-N'-methyl-L-alpha-serinamide, N-acetyl-N'-methyl-L-alpha-threoninamide, and N-acetyl-N'-methyl-L-alpha-histidinamide. These results have been used to calculate the contributions of the amino acid side chains to the partial molar heat capacities and the partial molar volumes. The results were compared with literature data obtained for similar systems.

引用

页码：1423 / 1432

页数：10

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