M. Ariaeinia, E. Rahimpour, S. Mirzaeei, Anahita Fathi Azarbayjani, A. Jouyban
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引用次数: 0
Abstract
ABSTRACT Cosolvency is a widely used method employed to enhance drug solubility. There are limited data on the solubility of atorvastatin calcium (ATC). The aim of this work is to determine ATC solubility in glycerol + water and 2-propanol + water mixtures at several temperatures (293.15, 298.15, 303.15, 308.15 and 313.15 K). The apparent thermodynamic properties of the ATC dissolution process including Gibbs free energy (ΔG°sol), enthalpy (ΔH°sol) and entropy (ΔS°sol) were calculated. The ATC solubility in various concentrations of the anionic, cationic and non-ionic surfactant was explored. The drug is most efficiently dissolved in sodium lauryl sulphate (SLS). Tween 20 did not cause any increment in drug solubility. Benzalkonium chloride may form an insoluble salt with ATC anion resulting in a decrease in drug solubility. Cosolvency data were correlated by Jouyban–Acree and Jouyban–Acree–van’t Hoff equation.
期刊介绍：
Physics and Chemistry of Liquids publishes experimental and theoretical papers, letters and reviews aimed at furthering the understanding of the liquid state. The coverage embraces the whole spectrum of liquids, from simple monatomic liquids and their mixtures, through charged liquids (e.g. ionic melts, liquid metals and their alloys, ions in aqueous solution, and metal-electrolyte systems) to molecular liquids of all kinds. It also covers quantum fluids and superfluids, such as Fermi and non-Fermi liquids, superconductors, Bose-Einstein condensates, correlated electron or spin assemblies.
By publishing papers on physical aspects of the liquid state as well as those with a mainly chemical focus, Physics and Chemistry of Liquids provides a medium for the publication of interdisciplinary papers on liquids serving its broad international readership of physicists and chemists.
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