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Solvation Thermodynamics of Biopolymers
1993For any biochemical process taking place in aqueous medium one can view the Gibbs energy change (or any other thermodynamic quantity) as comprising two contributions: one originating from the solutes involved in the process, and the second including all possible solvent effects. Thus, we write $$\Delta {G^\ell } = \Delta {G^g} + \delta G$$ (14.1)
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A reassessment of entropy convergence in solvation thermodynamics
Journal of Molecular Liquids, 2018Abstract Entropy convergence is a well-established phenomenon for the hydration of noble gases, hydrocarbons and n-alcohols, whose theoretical explanation has been associated with cavity creation thermodynamics in water. In the last years, computer simulation studies have cast doubts on the occurrence of entropy convergence on increasing the cavity ...
Antonio Grimaldi, Giuseppe Graziano
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Solvation Thermodynamics Revisited
Most chemical and biochemical reactions occur in solution; however, many details of the thermodynamics of solvation are not well understood, especially with regard to the role of energy and entropy in the solvation process. Currently, a prevailing view in the field is that the solvation free energy is fully determined by solute-solvent interactions ...Ward H. Thompson +3 more
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Thermodynamics of solutions of methanol and solvating components
Thermochimica Acta, 1982Abstract A model is proposed to correlate the excess Gibbs free energies and excess enthalpies of binary solutions of methanol and a solvating component. Solution nonideality from ideal solutions is given by the sum of the chemical contribution term, which is due to self-association of methanol and solvation between methanol and a nonassociating ...
Isamu Nagata, Kazuhiro Tamura
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Thermodynamics of solvation and solvophobic effect in formamide
The Journal of Chemical Thermodynamics, 2013Using semi-adiabatic calorimetry, we measured the enthalpies of solution for various low-polar compounds including alkanes, aromatic hydrocarbons and their halogenated derivatives in formamide at temperature of 298 K. For the same compounds, the values of limiting activity coefficients in formamide were determined using GC headspace analysis at 298 K ...
Sedov I., Stolov M., Solomonov B.
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Thermodynamic Nonideality and Protein Solvation
Although thermodynamic nonideality is usually regarded by physical chemists and biochemists as a complicating factor that should be avoided if possible, the biological world does not seem to share such fears of this phenomenon. Indeed, in view of the highly crowded state of most biological environments, it could be argued that nature has perfected the ...Winzor, Donald J., Wills, Peter R.
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Thermodynamic discontinuity in evaporating thin solvated nematics
The Journal of Chemical PhysicsSelf-organized patterns of nematic liquid crystals (NLCs) are indispensable in sensing and opto-electronics due to their intricate molecular sensitivities. A molecular-scale investigation of solvated thin NLC films reveals that concurrent discontinuities in NLC–NLC interaction-driven thermodynamic properties, mobility, and rheological responses ...
Prateek Chowdhury +2 more
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Thermodynamics of solvation of proteins in guanidine hydrochloride
Biopolymers, 1990AbstractThe interpretation of the thermodynamic quantities of solvation, that is, Gibbs free energy, enthalpy, and entropy changes for the transfer of proteins from water to 6M guanidine hydrochloride, in terms of the thermodynamic transfer parameters of the groups that make up the protein molecule, is unsatisfactory.
Faizan Ahmad, Charles C. Bigelow
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Solid Solvates of C60 Compositions and Thermodynamics
Journal of Thermal Analysis and Calorimetry, 1999Compositions of the solid solvates of C60 with 1,2-dichlorobenzene and 1,3,5-trimethylbenzene were determined with the help of experimental procedures developed. Possible correlations between compositions and thermodynamic properties were discussed.
N. V. Avramenko, M. V. Korobov
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Advances in Computational Solvation Thermodynamics
2009The aim of this thesis is to develop improved methods for calculating the free energy, entropy and enthalpy of solvation from molecular simulations. Solvation thermodynamics of model compounds provides quantitative measurements used to analyze the stability of protein conformations in aqueous milieus.
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