The enthalpies of dilution of some dipeptides in water at 298.15 K

被引：3
作者：
Belica-Pacha, Sylwia [1 ]
Michalska-Tezycka, Martyna [1 ]
Ciechanska, Magdalena [2 ]
Stepniak, Artur [1 ]
Palecz, Bartlomiej [1 ]
机构：
[1] Univ Lodz, Unit Biophys Chem, Dept Phys Chem, Fac Chem, Pomorska 165, PL-90236 Lodz, Poland
[2] Univ Lodz, Dept Organ Chem, Fac Chem, Tamka 12, PL-91403 Lodz, Poland
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2021年 / 154卷
关键词：
glycyl-L-alpha-alanine; glycyl-L-alpha-leucine; glycyl-L-glutamine; Enthalpic interaction coefficient; Enthalpy of dilution; ALPHA-AMINO-ACIDS; AQUEOUS-SOLUTIONS; HYDROPHOBICITY PARAMETER; MOLAR VOLUMES; UREA; PEPTIDES; AMIDES; THERMODYNAMICS; GLYCYLGLYCINE; ZWITTERIONS;
D O I：
10.1016/j.jct.2020.106338
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The enthalpies of dilution of glycyl L-alpha-alanine, glycyl-L-alpha-leucine and glycyl-L-glutamine have been measured in water at T = 298.15 K. The experimental results were used to calculate the enthalpic coefficients of the interactions between dipeptides molecules in water based on McMillan-Mayer's model. The values of the interaction parameters were interpreted in terms of the hydrophobic or hydrophilic properties of the amino acid side chins in the examined dipeptide molecules and the influence on their interactions with each other in water. (C) 2020 Elsevier Ltd.
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页数：5
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