Table 4. Antimicrobial activity of thorn-like ZnO nanoparticles at different stirring conditions.
| Samples | Concentration(mg/ml) |
Zone of inhibition (mm) |
||
|---|---|---|---|---|
| B. subtilis(MTCC 121) | E. coli(ATCC 25922) | C. albicans | ||
| ZnO-500 rpm | 0.50 | 16 ± 1.7 | 15 ± 2.3 | 20 ± 1.5 |
| ZnO-1000 rpm | 0.50 | 20 ± 2.4 | 17 ± 1 | 22 ± 1.8 |
| ZnO-1500 rpm | 0.50 | 22 ± 1.5 | 18 ± 2.6 | 23 ± 3 |
| ZnO-2000 rpm | 0.50 | 23 ± 2.4 | 19 ± 1.3 | 25 ± 2 |
| ZnO Powder | 0.50 | 9 ± 0.8 | 7 ± 1 | 3 ± 0.5 |
| Control | – | 0 | 0 | 0 |
| Doxycycline | 0.03 mg/disc | 30 ± 2.5 | 21 ± 1 | – |
| Nystatin | 0.03 mg/disc | – | – | 20 ± 1.6 |
The data represents mean values of three independent experiments ± SD.