Table 1: Biofilm formation after insulin addition in concentration of 2.5 U/mL for different incubation times.
Biofilm formation | |||||
E. coli Strain | 0 h | 6 h | 12 h | 18 h | 24 h |
24 h | - | +++ | +++ | +++ | +++ |
Negative control-C1 | - | + | ++ | +++ | +++ |
E. coli-C2 | - | +++ | +++ | +++ | +++ |
Negative control-C2 | - | + | ++ | ++ | +++ |
E. coli-C3 | - | +++ | +++ | +++ | +++ |
Negative control-C3 | - | + | + | ++ | +++ |
E. coli-Ref | - | + | + | + | ++ |
Negative control-Ref | - | - | - | - | - |
(-) no biofilm; (+) weak biofilm; (++) moderate biofilm; (+++) strong biofilm.