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Fluorescein isothiocyanate-labeled bovine serum albumin (FITC-BSA) permeability across Caco-2 monolayers following application of FITC-BSA-containing methylcellulose (MC)-hyaluronic acid (HA) (MCHA) hydrogel, with or without sodium dodecyl sulfate at 0.0025% and 0.01% w/v. FITC-BSA permeability was quantified by fluorescence. Data shown as the mean ± SD (n = 4). ** indicates p < 0.01.
