Antimicrobial activity of curcumin capped ZnO NPs against pathogenic bacterial isolatesa.
| Microorganism | Mean of zone inhibition in mm (mean ± SD) | |||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | ||
| +ve Gram bacterial strains | Staphylococcus aureus (MSSA) | 7.7 ± 1.53 | 10.3 ± 0.58 | 12.0 ± 1.0 | 14.0 ± 1.0 | 16.0 ± 1.0 |
| Staphylococcus aureus (MRSA) | 7.0 ± 1.0 | 9.7 ± 0.58 | 11.7 ± 0.58 | 13.3 ± 1.15 | 15.3 ± 0.58 | |
| Enterococcus faecalis | 11.0 ± 1.0 | 13.3 ± 1.15 | 15.3 ± 0.58 | 18.0 ± 2.0 | 20.3 ± 2.08 | |
| −ve Gram bacterial strains | Pseudomonas aeruginosa | 7.3 ± 0.58 | 9.0 ± 1.0 | 10.7 ± 0.58 | 12.3 ± 1.15 | 14.7 ± 0.58 |
| Klebsiella pneumoniae | 7.7 ± 0.58 | 9.0 ± 1.0 | 11.0 ± 1.0 | 13.0 ± 1.0 | 14.7 ± 1.15 | |
| Acinetobacter baumannii | 7.0 ± 1.0 | 9.0 ± 1.0 | 11.0 ± 1.0 | 13.3 ± 1.15 | 15.0 ± 1.0 | |
| Proteus vulgaris | 7.0 ± 1.0 | 9.3 ± 1.15 | 12.0 ± 1.0 | 14.0 ± 1.0 | 16.0 ± 1.0 | |
| Escherichia coli | 8.0 ± 1.0 | 10.3 ± 0.58 | 12.0 ± 1.0 | 14.0 ± 1.0 | 16.0 ± 1.0 | |
a
A: 10 μl ∼5 ppm; B: 20 μl ∼10 ppm; C: 30 μl ∼15 ppm; D: 40 μl ∼20 ppm; E: 50 μl ∼25 ppm of curcumin capped-ZnO NPs. (−): no inhibition.