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

Donatella Paolino; Andra Tudose; Christian Celia; Luisa Di Marzio; Felisa Cilurzo; Constantin Mircioiu

doi:10.20944/preprints201809.0292.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 15 September 2018 / Approved: 17 September 2018 / Online: 17 September 2018 (09:33:52 CEST)

The manuscript studies the release kinetic of fluorescein from colloidal liquid crystals made up from monoglyceride and different non-ionic surfactants. The release experiments were carried out under sink conditions, and mathematical models were described as extrapolations from solutions of diffusion equation in different initial and boundary conditions imposed by pharmaceutical formulations. The diffusion equation was solved, using Laplace and Fourier transformed functions for the release kinetic 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 monoglyceride colloidal liquid crystals. Akaike, Schwartz and Imbimbo criteria were used to establish the appropriate mathematical model and the hierarchy of performances of different models applied to the release experiments. The Fisher statistic test was applied to perform significance of differences among mathematical models. Differences evaluated by mathematical criteria demonstrated that small or no significant statistic differences were carried out between various applied models and colloidal formulations. Phenomenological models were preferred over to empirical and semi-empirical ones. The general square root model shows that the diffusion-controlled release of fluorescein is the mathematical models extrapolated for monoglyceride colloidal liquids, in the first part of the process.

monoglyceride colloidal liquid crystals; release profile; mathematical models; drug delivery systems; release kinetic; square root laws

LIFE SCIENCES, Other

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

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