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. 2021 Nov 25;26(23):7133. doi: 10.3390/molecules26237133

Figure 4.

Figure 4

(A) Viability of S. aureus, P. aeruginosa bacterial cells and their mix culture when cultured on the surfaces of plasma polymer-modified PET substrata, normalised against colony forming units (CFU) for the “control biofilm” for each culture type. Inset: SEM images of S. aureus attachment after 24 h of incubation, scale bar 50 µm. Data shown for polymer coatings fabricated at 10 W, incubation time of 24 h. Blue bars: inoculum cells harvested from a mature biofilm (grown on the surface of culture plate for 72 h), red bars: from a planktonic culture. (B) Average biofilm thickness and biovolume of P. aeruginosa cells grown for 24 h from for polymer coatings fabricated at different RF power.