|
|||||
|
|
Enthalpies of solution of glycylglycine and diglycylglycine in aqueous alcohols at 298.15 K |
|
| Authors: | Valeriy I. Smirnov Valentin G. Badelin |
| Affiliation: | aLaboratory of Thermodynamics of Solutions of Non-electrolytes and Biologically Active Substances, Institute of Solution Chemistry, Russian Academy of Sciences, 1 Akademicheskaya Street, 153045 Ivanovo Russia |
| Abstract: | The integral enthalpies of solution of glycylglycine and diglycylglycine in water–ethanol, water–n-propanol and water–i-propanol mixtures were measured at 298.15 K and alcohol mole fraction concentrations (x2) ranging up to 0.3 by calorimetry. The ΔsolH° and ΔtrH° vs. x2 were found to have extrema. Enthalpic coefficients of pairwise interactions (hxy) between peptide and alcohol molecules were positive and increased in the series ethanol, n-propanol, i-propanol. |
| Keywords: | Peptides Aqueous and alcoholic solutions Enthalpies of solution and transfer |
| 本文献已被 ScienceDirect 等数据库收录！ | |