Enthalpies of solution of DL-α-alanyl-DL-α-asparagine in aqueous alcohols at 298.15 K

被引：9

作者：

Smirnov, Valeriy I. ^{[1
]}

Badelin, Valentin G. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solut Chem, Lab Thermodynam Nonelectrolytes Solut & Biologica, Ivanovo 153045, Russia

来源：

THERMOCHIMICA ACTA | 2011年 / 512卷 / 1-2期

关键词：

Peptides; Solutions in aqueous alcohols; Enthalpies of solution and transfer; AMINO-ACIDS; INTERACTION COEFFICIENTS; WATER; VALINE; 25-DEGREES-C; MIXTURES; UREA;

D O I：

10.1016/j.tca.2010.08.022

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The enthalpies of solution of DL-alpha-alanyl-DL-alpha-asparagine(AlaAsn)were measured in aqueous methanol, ethanol, 1-propanol and 2-propanol with an alcohol mole-fraction content x(2) (from 0 to 0.4) at 298.15 K. The experimental results were used to calculate the enthalpies of transfer of AlaAsn from water to these mixtures as well as the enthalpy coefficients of pair-wise interactions (h(xy)) between AlaAsn and alcohol molecules in water, according to the McMillan-Mayer's model. The h(xy) values were found to be positive and increasing in a series methanol < ethanol < 1-propanol < 2-propanol. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：55 / 58

页数：4

共 50 条

[1] Enthalpies of solution of DL-α-Alanyl-DL-α-Valine in aqueous solution of amides at 298.15 K
Smirnov, Valeriy I.
Badelin, Valentin G.
THERMOCHIMICA ACTA, 2009, 485 (1-2) : 72 - 75
[2] Dependence of the solution and transfer enthalpies of DL-α-alanyl-DL-α-asparagine on the composition of water-amide binary solvents at 298.15 K
V. G. Badelin
V. I. Smirnov
Russian Journal of Physical Chemistry A, 2011, 85
[3] Dependence of the solution and transfer enthalpies of DL-α-alanyl-DL-α-asparagine on the composition of water-amide binary solvents at 298.15 K
Badelin, V. G.
Smirnov, V. I.
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A, 2011, 85 (06) : 944 - 947
[4] Enthalpy parameters of molecular interactions of dl-α-alanyl-dl-α-alanine with polyhydric alcohols in the aqueous solution
Badelin, V. G.
Mezhevoi, I. N.
RUSSIAN JOURNAL OF GENERAL CHEMISTRY, 2017, 87 (08) : 1766 - 1770
[5] Enthalpy parameters of molecular interactions of dl-α-alanyl-dl-α-alanine with polyhydric alcohols in the aqueous solution
V. G. Badelin
I. N. Mezhevoi
Russian Journal of General Chemistry, 2017, 87 : 1766 - 1770
[6] The thermochemical characteristics of solution of DL-α-alanylglycine and DL-α-alanyl-DL-α-alanine in water-organic solvent mixtures at 298.15 K
Smirnov, V. I.
Mezhevoi, I. N.
Badelin, V. G.
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A, 2007, 81 (08) : 1245 - 1249
[7] The thermochemical characteristics of solution of DL-α-alanylglycine and DL-α-alanyl-DL-α-alanine in water-organic solvent mixtures at 298.15 K
V. I. Smirnov
I. N. Mezhevoi
V. G. Badelin
Russian Journal of Physical Chemistry A, 2007, 81 : 1245 - 1249
[8] Influence of the Composition of (H2O + SDS) Mixtures on the Interaction Energy of dl-α-Alanyl-dl-α-Valine and dl-α-Alanyl-dl-α-Norleucine with SDS Micelles at T = 298.15 K
V. I. Smirnov
V. G. Badelin
V. P. Barannikov
M. S. Kurbatova
Journal of Solution Chemistry, 2019, 48 : 1309 - 1317
[9] Influence of the Composition of (H2O + SDS) Mixtures on the Interaction Energy of dl-α-Alanyl-dl-α-Valine and dl-α-Alanyl-dl-α-Norleucine with SDS Micelles at T=298.15 K
Smirnov, V. I.
Badelin, V. G.
Barannikov, V. P.
Kurbatova, M. S.
JOURNAL OF SOLUTION CHEMISTRY, 2019, 48 (8-9) : 1309 - 1317
[10] The Enthalpy of Solution of DL-α-Alanyl-DL-α-Valine Depending on the Composition of Water-Alcohol Binary Solvents at 298.15 K
Smirnov, V. I.
Badelin, V. G.
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A, 2008, 82 (12) : 2069 - 2073

← 1 2 3 4 5 →