Xu, Hao published the artcileCharacterization of the Partition Rate of Ibuprofen Across the Water-Octanol Interface and the Influence of Common Pharmaceutical Excipients, Product Details of C8H18O, the main research area is ibuprofen bolus injection interfacial partition excipient dissolution; 2-phase dissolution; biomimetic; biorelevant; diffusion; dissolution test; interface; in vitro; partition; polymer; surfactant.
This work reports the measurement of the partition rate of a model drug, ibuprofen (IBU), from aqueous solutions into octanol in the absence and presence of common pharmaceutical excipients including glucose, lactose, maltoheptaose, hydroxypropyl methylcellulose, polyvinylpyrrolidone, polyvinylpyrrolidone-vinyl acetate, hydroxypropyl methylcellulose AS, sodium dodecyl sulfate, Tween 80, and sodium taurocholate at varying concentrations This attempts to assess the kinetic aspect of IBU partitioning across the water-octanol interface by applying a mechanistic model and to characterize the interfacial resistance. A significant reduction in Pi across the water-octanol interface was observed with extremely low concentration of the selected excipients in the aqueous media. These results reveal the presence of a surface excess of adsorbed excipients at the water-octanol interface. The retardation of the Pi of IBU was found to be sensitive to (1) the mol. weight or the d.p. of these excipients, (2) the hydrodynamic condition of the exptl. method, and (3) the pH of the aqueous media. Retardation of the Pi of IBU in the presence of excipients observed in this study is proposed by a steric obstruction mechanism through the adsorbed surface excess layer of excipients located at the water-octanol interface.
Journal of Pharmaceutical Sciences (Philadelphia, PA, United States) published new progress about Dissolution. 111-87-5 belongs to class alcohols-buliding-blocks, name is n-Octanol, and the molecular formula is C8H18O, Product Details of C8H18O.
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts