Research Article

Microbial Adhesion and Biofilm Formation on Microfiltration Membranes: A Detailed Characterization Using Model Organisms with Increasing Complexity

Figure 3

Bacterial cell density expressed in log cells cm−2 membrane after adhesion and biofilm formation of P. aeruginosa and E. coli in monospecies (a) and duospecies (b) conditions on PE, PSF, and PVDF membranes. Cells were enumerated using standard plating and log transformed before analysis. Error bars represent standard deviation ( ). P. aer = P. aeruginosa, Adh = adhesion, Bio = Biofilm, and * = significantly different.
470867.fig.003a
(a)  Monospecies condition
470867.fig.003b
(b) Duospecies condition