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Solubility in Amide–Water Cosolvent Systems II: Cosolvent Excess at Solute Surface
Journal of Pharmaceutical Sciences, 1979The solubility of methylparaben was determined at 25 degrees in a series of amide-water cosolvent systems. The data were used to demonstrate the possibility of an amide excess at or near the ester solute over that in the bulk solvent. The analysis, stemming from an interfacial tension-solute area solubility model proposed by earlier workers, involved ...
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Cosolvency of Dimethyl Isosorbide for Steroid Solubility
Pharmaceutical Research, 1991Dimethyl isosorbide (DMI), which is currently under investigation for its potential use as a pharmaceutical vehicle and drug permeation enhancer, is a water-miscible liquid with relatively low viscosity. The solubilization behavior of DMI as a cosolvent for nonpolar drugs was characterized via dielectric constant measurements of binary solvent systems ...
H, Zia +3 more
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Simplifying the Electrolyte Systems with the Functional Cosolvent
ACS Applied Materials & Interfaces, 2019The state-of-the-art electrolytes utilized in lithium-ion batteries are based on liquid carbonates combining a number of additives to fulfill the practical requirements including safety and low temperature. The plenty of components result in the quadruple times of probable radical groups involved into the interfacial reactions, rendering it too ...
Yinping Qin +7 more
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Effects of Cosolvents on the Hydration of Carbon Nanotubes
Journal of the American Chemical Society, 2009Molecular dynamics simulations of a nonpolar single-walled carbon nanotube (SWNT) solvated in aqueous solutions of urea, methanol, and trimethylamine N-oxide (TMAO) show clearly the effects of cosolvents on the hydration of the interior of the SWNT.
Lijiang, Yang, Yi Qin, Gao
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Solubilization of Fluasterone in cosolvent/cyclodextrin combinations
International Journal of Pharmaceutics, 2003The combined effect of cosolvent (methanol (MeOH), ethanol (EtOH), or n-propanol (n-PrOH)) and complexant hydroxypropyl-beta-cyclodextrin (HP beta CD) on the solubility of Fluasterone is evaluated and explained with a simple equation. The calculated constants in the equation not only quantitatively describe the dependence of drug solubility on ...
Yan, He, Ping, Li, Samuel H, Yalkowsky
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Effect of cosolvents on the solubility of hydrocarbons in water
Environmental Science & Technology, 1988Cas de la solubilite du n-hexane en solution aqueuse en presence de cosolvant methanol ou methyl-ter-butyl ether et du benzene, en presence de methyl-ter-butyl ...
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Cosolvent effects on sorption isotherm linearity
Journal of Contaminant Hydrology, 2002Sorption-desorption hysteresis, slow desorption kinetics, and other nonideal phenomena have been attributed to the differing sorptive characteristics of the natural organic polymers associated with soils and sediments. In this study, aqueous and mixed solvent systems were used to investigate the effects of a cosolvent, methanol, on sorption isotherm ...
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Protein volume changes on cosolvent denaturation
Biophysical Chemistry, 2005A thermodynamic relationship is obtained which links the effect of a cosolvent on the denaturation equilibrium of a protein to the effect of the cosolvent on the change in partial molar volume (pmv) of a protein on denaturation. The relationship uses the concept of preferential interactions and is exact for an infinitely dilute protein. Analysis of the
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