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Fig. 4 | BMC Microbiology

Fig. 4

From: Antibacterial, antibiofilm, and anti-quorum sensing activities of pyocyanin against methicillin-resistant Staphylococcus aureus: in vitro and in vivo study

Fig. 4

The effect of PCN on bacterial viability (2D merged) and biofilm thickness (3D merged) of a pre-established MRSA biofilm was assessed by CLSM. A, B Untreated MRSA biofilm. PCN-treated MRSA biofilm at concentrations of 20 (C, D) and 40 µg/ml (E, F). G Biofilm thickness before and after PCN treatment. H The percentage of reduction in bacterial viability after PCN treatment. The error bars indicate standard deviations. The asterisks represent statistical significance (P < 0.05)

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