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Results of XTT and LDH assays for confirming the antibiofilm potential of the biosurfactant (A). Percentage of bacterial viability within biofilms determined by XTT assay at the respective MICs. (B) Bacterial cell damage within the biofilm, based on LDH activity upon the treatment of the L. rhamnosus crude biosurfactant at the respective MICs. Values are the mean ± SD of three independent experiments.
