Abstract
Direct calorimetry is used to study the heats of dissolution of crystalline glycyl-phenylalanine in water and solutions of potassium hydroxide at 298.15 K. The standard enthalpy of formation of glutathione in the crystalline state is calculated according to additive groups, based on group systematics with fragments classified in a manner similar to Benson’s approach, which considers the influence of the primary environment for atoms. The standard enthalpies of formation are calculated for glycyl-phenylalanine and products of its dissociation in an aqueous solution.
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ACKNOWLEDGMENTS
This work was performed on equipment at the Ivanovo State Chemical Engineering University’s shared resource center with the support of the RF Ministry of Science and Higher Education, grant no. 075-15-2021-671.
Funding
This work was performed at the Research Institute of the Thermodynamics and Kinetics of Chemical Processes, Ivanovo State University of Chemistry and Technology, as part of State Task no. FZZW-2020-0009 (basic part).
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Krutova, O.N., Chernikov, V.V., Bychkova, S.A. et al. Standard Enthalpies of Formation of Glycyl-Phenylalanine and Products of Its Dissociation in an Aqueous Solution. Russ. J. Phys. Chem. 96, 1963–1967 (2022). https://doi.org/10.1134/S0036024422090187
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DOI: https://doi.org/10.1134/S0036024422090187