KFU. Card publication. The interaction enthalpies of the dried and hydrated lysozyme with neat organic solvents (DMSO, formamide, ethylene glycol, and methanol) were obtained at 25oC. These organic solvents represent a series of liquids in which the water solvation enthalpy is gradually changed over a wide range. The interaction enthalpies of the dried lysozyme with neat organic solvents are exothermic. At high water content, the interaction enthalpies are endothermic for formamide and exothermic for DMSO, methanol, and ethylene glycol. The dehydration enthalpies of lysozyme in organic liquids may be endothermic or exothermic depending on the initial water content and the water solvation enthalpy.

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THE INTERACTION ENTHALPIES OF THE DRIED AND HYDRATED LYSOZYME WITH NEAT ORGANIC SOLVENTS (DMSO, FORMAMIDE, ETHYLENE GLYCOL, AND METHANOL) WERE OBTAINED AT 25OC. THESE ORGANIC SOLVENTS REPRESENT A SERIES OF LIQUIDS IN WHICH THE WATER SOLVATION ENTHALPY IS GRADUALLY CHANGED OVER A WIDE RANGE. THE INTERACTION ENTHALPIES OF THE DRIED LYSOZYME WITH NEAT ORGANIC SOLVENTS ARE EXOTHERMIC. AT HIGH WATER CONTENT, THE INTERACTION ENTHALPIES ARE ENDOTHERMIC FOR FORMAMIDE AND EXOTHERMIC FOR DMSO, METHANOL, AND ETHYLENE GLYCOL. THE DEHYDRATION ENTHALPIES OF LYSOZYME IN ORGANIC LIQUIDS MAY BE ENDOTHERMIC OR EXOTHERMIC DEPENDING ON THE INITIAL WATER CONTENT AND THE WATER SOLVATION ENTHALPY.

Form of presentation

Articles in international journals and collections

Year of publication

2015

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Authors, employees of KFU

Sirotkin Vladimir Aleksandrovich, author

Bibliographic description in the original language

Sirotkin V.A. A study of the hydration of lysozyme in neat organic solvents using isothermal calorimetry: Effect of water solvation/ V.A. Sirotkin, E.V. Dudkina // Chem. Phys. Lett. - V. 634. - P. 160-165.

Keywords

Protein hydration, water solvation, enthalpy, calorimetry, organic solvents

The name of the journal

Chemical Physics Letters

URL

http://www.scopus.com/record/display.url?eid=2-s2.0-84934985048&origin=resultslist&sort=plf-f&src=s&sid=7E69E92035B0F27E12FD6A761B3EC271.zQKnzAySRvJOZYcdfIziQ%3a20&sot=autdocs&sdt=autdocs&sl=17&s=AU-ID%287005229492%29&relpos=0&relpos=0&citeCnt=0&searchTerm

Please use this ID to quote from or refer to the card

https://repository.kpfu.ru/eng/?p_id=111904&p_lang=2

Resource files

File name	Size (MB)	Format
Vladimir_Sirotkin_CPLett_2015.pdf	0,89	pdf	show / download

Full metadata record

Field DC	Value	Language
dc.contributor.author	Sirotkin Vladimir Aleksandrovich	ru_RU
dc.date.accessioned	2015-01-01T00:00:00Z	ru_RU
dc.date.available	2015-01-01T00:00:00Z	ru_RU
dc.date.issued	2015	ru_RU
dc.identifier.citation	Sirotkin V.A. A study of the hydration of lysozyme in neat organic solvents using isothermal calorimetry: Effect of water solvation/ V.A. Sirotkin, E.V. Dudkina // Chem. Phys. Lett. - V. 634. - P. 160-165.	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/eng/?p_id=111904&p_lang=2	ru_RU
dc.description.abstract	Chemical Physics Letters	ru_RU
dc.language.iso	ru	ru_RU
dc.subject	Protein hydration	ru_RU
dc.subject	water solvation	ru_RU
dc.subject	enthalpy	ru_RU
dc.subject	calorimetry	ru_RU
dc.subject	organic solvents	ru_RU
dc.title	The interaction enthalpies of the dried and hydrated lysozyme with neat organic solvents (DMSO, formamide, ethylene glycol, and methanol) were obtained at 25oC. These organic solvents represent a series of liquids in which the water solvation enthalpy is gradually changed over a wide range. The interaction enthalpies of the dried lysozyme with neat organic solvents are exothermic. At high water content, the interaction enthalpies are endothermic for formamide and exothermic for DMSO, methanol, and ethylene glycol. The dehydration enthalpies of lysozyme in organic liquids may be endothermic or exothermic depending on the initial water content and the water solvation enthalpy.	ru_RU
dc.type	Articles in international journals and collections	ru_RU