Fig. 3

SEM images show the in vitro activity of relevant substances against S. aureus biofilms in nonantibiotic-impregnated (MRSA( −), MRSA-NAC ( −), MRSA-DAPT ( −), MSA-VAN ( −), and MRSA-LIN ( −)) catheters. Arrows indicate S. aureus colonies (original magnification: × 10.000)