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Biomass (OD570 nm) (a), metabolic activity (OD490 nm) (b) and number of cultivable cells (c) of P. aeruginosa ATCC (light grey) and P. aeruginosa isolated strain (black) biofilms. Biofilms where grown in TSB and characterized at 24, 48, 72 and 96 h. Bars represent the average of 3 independent repeats ± SD.
