Thermodynamic investigation (volume and compressibility) of the systems beta-cyclodextrin + n-alkyltrimethylammonium bromides + water

Article Abstract:

Research is presented describing the analysis of sound velocity and density data for aqueous solutions at 298 Kelvin to calculate adiabatic compressibilities, molar apparent and partial volumes. Alkyltrimethylammonium bromides in the presence and absence of beta-cyclodextrin are analyzed.

Bromides

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Thermodynamic origin of molecular selective binding of bile salts by aminated beta-cyclodextrins

Article Abstract:

Thermodynamics and kinetics of the inclusion complexation of some bile salts with native beta-cyclodextrins (CD) by nuclear magnetic resonance (NMR) spectroscopy is described. It is concluded that the thermodynamically, the enhanced molecular recognition ability resulted from enthalpy gain with smaller entropy loss.

Usage, Nuclear magnetic resonance spectroscopy

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Two-component system cycloheptanol (C7) + cyclooctanol (C8): an extraordinary system

Article Abstract:

The two component system cycloheptanol (C7) + cyclooctanol (C8) was studied by means of thermal analysis, x-ray powder diffraction, and dielectric spectroscopy. It allows determining the excess thermodynamic properties of the mixed SC state via a compensation law.

All Other Basic Organic Chemical Manufacturing, Industrial Organic Chemicals, Octanol, Electric properties

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