Skip to main content
. 2017 Dec 8;8:2443. doi: 10.3389/fmicb.2017.02443

Table 1.

Surface area covered with biofilm after 24, 48, and 72 h of incubation of E. coli in rich growth media supplemented with glucose on glass surface or lactose on PMMA surfaces.

Biofilm covered surface (mm2)
Medium and material Rich medium with glucose, glass
Rich medium with lactose, PMMA
Time (hours) Zone I Zone II Zone III Total surface Zone I Zone II Zone III Total surfaces
24 4.09 ± 0.38 5.98 ± 0.37 2.14 ± 0.15 12.21 0 1.29 ± 0.32 6.49 ± 0.99 7.78
48 34.86 ± 2.04 11.6 ± 1.56 2.60 ± 0.28 49.06 73.71 ± 5.02 192.96 ± 10.15 0 266.67
72 36.19 ± 1.55 45.43 ± 5.09 5.33 ± 0.73 86.95 231.85 ± 1.47 221.55 ± 5.08 0 453.40

The average values and standard errors are given (n = 9).