Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12494/41689
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Title: Preferential solvation of indomethacin in 1,4-dioxane + water mixtures according to the inverse Kirkwood–Buff integrals method
Author: Peña M.Á.
Delgado, Daniel Ricardo
Martínez F.
Email autor: danielr.delgado@campusucc.edu.co
Issue Date: 2016
Keywords: Inverse problems
Mixtures
Molecules
Solubility
Solvation
1-dioxane
Acidic behavior
Hydrogen acceptor
Hydrophobic hydration
IKBI
In-mole-fraction
Indomethacin
Preferential solvation
Binary mixtures
Abstract: ABSTRACT: The preferential solvation parameters (dx1,3) of indomethacin (IMC) in 1,4-dioxane + water binary mixtures were derived from their thermodynamic properties by means of the inverse Kirkwood–Buff integrals method. dx1,3 is negative in water-rich and 1,4-dioxane-rich mixtures but positive in cosolvent compositions from 0.17 to 0.69 in mole fraction of 1,4-dioxane at 298.15 K. It is conjecturable that in water-rich mixtures, the hydrophobic hydration around the aromatic and methyl groups of the drug plays a relevant role in the solvation. The higher solvation by 1,4-dioxane in mixtures of similar cosolvent compositions could be mainly due to polarity effects. Finally, the preference of this drug for water in 1,4-dioxane-rich mixtures could be explained in terms of the higher acidic behavior of water molecules interacting with the hydrogen-acceptor groups present in IMC. © 2015 Taylor & Francis.
Type: Artículo
Citation: Peña MÁ,Delgado DR,Martínez F. Preferential solvation of indomethacin in 1,4-dioxane + water mixtures according to the inverse Kirkwood–Buff integrals method. Phys Chem Liquids. 2016. 54. (4):p. 462-474. .
Other Identifiers: https://doi.org/10.14483/2248762X.8720
Appears in Collections:Artículos Científicos

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