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Cytotoxicity profile containing a protamine/FITC-BSA core (□) after a 72-hour incubation with Caco-2 cell, as determined by WST-1 assay. Percent viability of fibroblasts is expressed relative to control cells (n = 6).
Abbreviation: FITC-BSA, fluorescein isothiocyanate-conjugated bovine serum albumin.
