Dissociation constants of protolytic dissociation of glutamyl-glutamic and glycyl-glutamic acids in aqueous solution at 298 K

被引：0
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作者：
V. G. Badelin
V. P. Barannikov
A. V. Katrovtseva
G. N. Tarasova
机构：
[1] Russian Academy of Sciences,Institute of Solution Chemistry
[2] Ivanovo State University of Chemical Technology,undefined
来源：
Russian Journal of General Chemistry | 2013年 / 83卷
关键词：
Dissociation Constant; Dipeptide; Carboxy Group; Glycyl; Potentiometric Titration Curve;
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学科分类号：
摘要：
Protolytic dissociation constants of stepwise dissociation of glutamyl-glutamic and glycyl-glutamic acids in aqueous solutions at 298.15 K at ionic strengths of 0.1, 0.5, and 1.0 M on the NaCl background were measured by potentiometric titration. The thermodynamic dissociation constants were calculated. Using the obtained and published data, we discuss the effect of additional carboxy groups in the side chains of the molecule on the protolytic dissociation constants of peptides.
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页码：945 / 948
页数：3
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