Table 2 Percentages of biofilm biomass reductions after treatments with different Ag-NPs concentrations

50

34.6% ± 0.018

10.74% ± 0.019

39.08% ±0.03

34.75% ± 0.00

25

28.4 ± 0.054

10.84% ± 0.12

25.67% ± 0.062

33.93% ± 0.05

12.5

28% ± 0.075

9.34% ± 0.05

25.53% ± 0.00

33.77% ± 0.06

6.25

21.3% ± 0.19

9.28% ± 0.09

6.56% ± 0.050

10.98% ± 0.13

3.125

16.26%0.13

7.47% ± 0.013

6.56% ± 0.050

11.8% ± 0.10

1.56

14.26% ± 0.005

1.49% ± 0.001

1.1% ± 0.07

6.06% ± 0.006