Scanning Electron Microscopy (SEM) images of biofilms. Representative SEM images of biofilms established on polystyrene pegs following 48 h incubation at 37°C from a selected biofilm producing strain of each bacterial species; including A) S. epidermidis ATCC 12228 (positive control), B) E. coli, C). P. aeruginosa,
D) S. aureus (MRSA), E) S. aureus (MSSA), F) K. pneumoniae, and G) A. baumannii. SEM pictures were taken at 2000X magnification; inset white bar is representative of 10 microns.