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Solubility of Mesalazine in Polyethylene Glycol 400 + Water Mixtures at Different Temperatures Publisher



Moradi M1, 2 ; Rahimpour E2, 3 ; Hemmati S4 ; Martinez F5 ; Barzegarjalali M6 ; Jouyban A2, 7
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Authors Affiliations
  1. 1. Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
  2. 2. Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
  3. 3. Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
  4. 4. Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
  5. 5. Grupo de Investigaciones Farmaceutico-Fisicoquimicas, Departamento de Farmacia, Facultad de Ciencias, Universidad Nacional de Colombia – Sede Bogota, Cra. 30 No. 45-03, D.C., Bogota, Colombia
  6. 6. Research Center for Pharmaceutical Nanotechnology and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
  7. 7. Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Molecular Liquids Published:2020


Abstract

Temperature-dependent solubility data for mesalazine in the binary system of polyethylene glycol 400 (PEG 400)/water are determined by a shake-flask method at 293.2–313.2 K. The solubility data are validated to five different computational models including the van't Hoff, the mixture response surface, the Yalkowsky, the Jouyban-Acree, and the Jouyban-Acree-van't Hoff. All the investigated models have good correlation and validation according to obtained the mean relative deviations (MRD%) for back-calculated data. Moreover, apparent thermodynamic analysis shows an endothermic process for mesalazine in (PEG 400 + water) mixtures. Further, based on inverse Kirkwood-Buff integrals is observed that mesalazine is preferentially solvated by PEG in all the mixtures. © 2020 Elsevier B.V.
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