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Evaluation of the release profile of fluorescein from lyotropic colloidal liquid crystal formulation 4, using the following mathematical models: (a) Linear regression; (b) Higuchi; (c) Siepman–Peppas; (d) Noyes–Whitney; and (e) Weibull. Data represents the average of three different measurements ± standard deviation. Error bars, if not shown, are within the symbols.
