Table 3 Antibacterial activity of Cr/ZnO nanocomb
Inhibition zone diameter in mm | Cr/ZnO (Mean ± SE) | Positive control | |
|---|---|---|---|
Tested bacteria | 10 µg | 30 µg | |
Gram positive bacteria | Â | Â | Gentamycin |
 Staphylococcus aureus | Non sensitive | 16 ± 0.45 | 24 ± 1.07 |
 Bacillus subtilis | 18.13 ± 0.41 | 21.9 ± 0.85 | 26 ± 0.64 |
 Bacillus cereus | 11 ± 1.oo | 16.93 ± 0.60 | 25 ± 1.04 |
Gram negative bacteria | |||
 Escherichia coli | 16.96 ± 0.25 | 17.93 ± 0.60 | 30 ± 0.20 |
 Proteus vulgaris | 15.96 ± 0.45 | 19 ± 1.00 | 25 ± 1.09 |
 Pseudomonas aeruginosa | Non sensitive | Non sensitive | 27 ± 0.86 |