[Thermodynamic and spectroscopic study of intermolecular association in aqueous dipeptide solutions]

Peculiarities of the concentration dependences of apparent molar heat capacities and volumes of aqueous solutions of dipeptides were considered. Possible interpretation of the character of these dependences on the basis of Gibson and Sheraga's model of solvation shell were shown. Three concentration regions corresponding to the existence of various molecular forms of dipeptides in solution were marked out.