Mathematical Models as Tools to Predict the Release Kinetic of Fluorescein from Lyotropic Colloidal Liquid Crystals

Materials
Donatella PaolinoConstantin Mircioiu

Abstract

In this study, we investigated the release kinetic of fluorescein from colloidal liquid crystals made from monoglyceride and different non-ionic surfactants. The crystals were physicochemically characterized and the release experiments were carried out under the sink conditions, while mathematical models were described as extrapolations from solutions of the diffusion equation, in different initial and boundary conditions imposed by pharmaceutical formulations. The diffusion equation was solved using Laplace and Fourier transformed functions for release kinetics from infinite reservoirs in a semi-infinite medium. Solutions represents a general square root law and can be applied for the release kinetic of fluorescein from lyotropic colloidal liquid crystals. Akaike, Schwartz, and Imbimbo criteria were used to establish the appropriate mathematical model and the hierarchy of the performances of different models applied to the release experiments. The Fisher statistic test was applied to obtain the significance of differences among mathematical models. Differences of mathematical criteria demonstrated that small or no significant statistic differences were carried out between the various applied models and colloidal formulations. ...Continue Reading

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Citations

Mar 25, 2019·Pharmaceutics·Constantin MircioiuIon Mircioiu
Jan 15, 2021·Comprehensive Reviews in Food Science and Food Safety·Narjes Malekjani, Seid Mahdi Jafari
May 8, 2021·International Journal of Pharmaceutics·Priscila Cordeiro Lima FernandesEneida de Paula
Jun 8, 2021·Frontiers in Pharmacology·Constantin MircioiuVictor A Voicu

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