The inhibitory zone diameter of quaternary ammonium monomers and related polymers (10 mg mL−1).
| Strain | The diameter of bacteriostatic circle (mm) (n = 5) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
| E. coli | 0.00 | 0.00 | 0.00 | 0.00 | 23.95a | 24.57a | 26.01a | 13.45c | 9.21d | 0.00 | 0.00 |
| S. aureus | 0.00 | 0.00 | 0.00 | 8.44d | 21.44a | 24.37a | 28.54a | 12.10c | 11.42c | 0.00 | 0.00 |
| C. albicans | 0.00 | 0.00 | 0.00 | 0.00 | 21.19a | 24.31a | 25.02a | 13.34c | 9.14d | 0.00 | 0.00 |
| A. fumigates | 0.00 | 0.00 | 0.00 | 8.94d | 14.53c | 18.71b | 19.86b | 9.16d | 8.28d | 0.00 | 0.00 |
a
Bacteriostatic ring diameter (mm) ≥ 20.
b
20 > Bacteriostatic ring diameter (mm) ≥ 15.
c
15 > Bacteriostatic ring diameter (mm) ≥ 10.
d
Bacteriostatic ring diameter (mm) < 10.