Solvent release upon ion association from entropy data. II

Article Abstract:

The solvent is released from their solvation shells to the bulk solvent when a cation and an anion associate, the charge on the product is lower than that on the individual ions. The molar entropy is used to estimate the amount of solvent released in the association process and the release of solvent molecules from the crystalline frozen solvent to the liquid on melting is found to be analogous to the solvent release from translational immobilization in the solvation shells of the ions.

Science & research, Solvents, Entropy (Physics), Entropy (Thermodynamics)

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DNA, RNA, and DNA/RNA oligomer duplexes: a comparative study of their stability, heat, hydration, and Mg (super)2+ binding properties

Article Abstract:

Spectroscopic, calorimetric, density and ultrasonic techniques have been used for determination of hydration effects on the formation of DNA, RNA and DNA/RNA oligomer duplexes. The uptake of hydrophobic water and release of electrostricted water have been suggested.

United States, DNA, Hydration, Rehydration solutions, RNA, Chemistry, Physical and theoretical, Physical chemistry, Heat, Oligomers

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