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Hydration of biomolecules
Flimel, Karol ; Janeček, Jiří (oponent) ; Kučerík, Jiří (vedoucí práce)
The aim of this thesis was to apply methods of thermal analysis (differential scanning calorimetry and termogravimetry) to study kinetics of water evaporation from hyaluronan. This approach allowed to determine the changes of desorption energies in the course of evaporation and consequently helped to improve the understanding of the hyaluronan hydration. Thermoanalytical methods in combination with model-free kinetics previously suggested by Ozawa were used to determine kinetic parameters of studied processes. Results confirmed previous knowledge about the content of water located in primary hydration shell of hyaluronan, i.e. concentration range from 0.4 – 0.8 g of water per 1 g of hyaluronan. Further, it was found out that during the evaporation in this concentration range, the hyaluronan gel, stabilized probably by hydrogen bonds, is formed.

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