Abstract
Direct calorimetry is used to measure the heats of dissolution of crystalline alanyl-phenylalanine in water and solutions of potassium hydroxide at 298.15 K. The standard enthalpy of formation of glutathione in the crystalline state is determined using the additive group approach. The technique is based on group systematics with fragments classified according to Benson in order to consider the influence of the primary environment for atoms. Standard enthalpies of formation are calculated for alanyl-phenylalanine and products of its dissociation in aqueous solutions.
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ACKNOWLEDGMENTS
This work was performed on equipment at the shared resource center of the Ivanovo State University of Chemistry and Technology.
Funding
This work was supported by the RF Ministry of Science and Higher Education, grant no. 075-15-2021-671. It was performed at the Ivanovo State University of Chemistry and Technology’s Research Institute of Thermodynamics and Kinetics of Chemical Processes as part of State Task no. FZZW-2020-0009.
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Lytkin, A.I., Chernikov, V.V., Krutova, O.N. et al. Standard Enthalpies of Formation of Alanyl-Phenylalanine and Products of Its Dissociation in Aqueous Solutions. Russ. J. Phys. Chem. 96, 1238–1242 (2022). https://doi.org/10.1134/S0036024422060152
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DOI: https://doi.org/10.1134/S0036024422060152