Table 4.
Zones of inhibition (mm) of different antibiotics against test strains (in presence of silver nanoparticles, pyocyanine and mixture of pyocyanine-colloidal silver nanoparticles at 100 ppm, 100 µg/mL, and mixture of both, respectively
| Bacterial isolates | Colloidal silver nanoparticles | Pyocyanin | Mixture |
|---|---|---|---|
| S. aureus | 19/22.5/27 | 14/15.5/21 | 26/28/38.5 |
| E. coli | 15.5/17/23.5 | 12/14/19 | 21.5/23/29.5 |
| P. aeruginosa | 13.5/15/19.5 | R/R/R | 11/13/14.5 |
| C. albicans | 12.5/13.5/16 | 10.5/12/14.5 | 15.5/16.5/19.5 |
R: Resistant.