Volumetric property of glycine, L-serine, L-alanine and L-proline in aqueous solutions of 1-phenylpiperazinium tetrafluoroborate

被引：28

作者：

Xie, Hujun ^{[1
]}

Zhao, Lijiang ^{[1
]}

Liu, Chengcheng ^{[1
]}

Cao, Yifan ^{[1
]}

Lu, Xiaoxing ^{[2
]}

Lei, Qunfang ^{[2
]}

Fang, Wenjun ^{[2
]}

机构：

[1] Zhejiang Gongshang Univ, Dept Appl Chem, Hangzhou 310018, Zhejiang, Peoples R China

[2] Zhejiang Univ, Dept Chem, Hangzhou 310027, Zhejiang, Peoples R China

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2016年 / 99卷

基金：

美国国家科学基金会;

关键词：

Ionic liquid; Amino acid; Apparent molar volume; Standard partial molar volume; Transfer partial molar volume; Hydration number; APPARENT MOLAR VOLUMES; SODIUM DODECYL-SULFATE; L-AMINO-ACIDS; IONIC-LIQUID; ADIABATIC COMPRESSIBILITIES; CHLORIDE SOLUTIONS; ALPHA-AMINO; 318.15; K; WATER; EXTRACTION;

D O I：

10.1016/j.jct.2016.03.045

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The densities of aqueous solutions of glycine, L-serine, L-alanine, L-proline with the ionic liquid (IL), 1-phenylpiperazinium tetrafluoroborate ([Phpi][BF4]) at the IL concentrations of (0.025, 0.055 and 0.100) mol.kg (1) have been measured at the temperatures of (298.15, 303.15 and 308.15) K. On the basis of the experimental results, the apparent molar volume (V-Phi), standard partial molar volume (V-Phi(0)), transfer partial molar volume (Delta V-tr(Phi)0) and hydration number (n(H)) have been calculated. The hydrophilic-hydrophilic, hydrophobic-hydrophilic and hydrophobic-hydrophobic interactions are involved in the studied systems of {[Phpi][BF4] + amino acids + H2O. These volumetric parameters can help to understand the mixing effects and other complex biological processes between amino acids and ionic liquid aqueous solution. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：75 / 81

页数：7

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