Table 3. MIC of the Synthesized CAZ Nanocomposite and Parental Compounds [Silver Nitrate (AgNO3), Copper Nitrate (CuNO3), and ZnO] at Different Concentrations against the Gram-Positive and Gram-Negative Bacterial Strainsa.
| concentration
of CAZ nanocomposite (μg/mL) |
concentration
of AgNO3(μg/mL) |
concentration
of Cu(NO3)2·3H2O (μg/mL) |
concentration
of ZnO (μg/mL) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| strains | 7.5 | 5.0 | 2.5 | 7.5 | 5.0 | 2.5 | 7.5 | 5.0 | 2.5 | 7.5 | 5.0 | 2.5 |
| B. cereus | 13.0 ± 0.42 | 11 ± 0.41 | 10 ± 0.22 | 8.5 ± 0.12 | 6.5 ± 0.22 | 0 | 10 ± 0.22 | 8 ± 0.12 | 6 ± 0.12 | 11 ± 0.12 | 9 ± 0.22 | 8 ± 0.32 |
| E. faecalis | 12.5 ± 0.12 | 10 ± 0.42 | 7 ± 0.31 | 9.5 ± 0.11 | 0 | 0 | 10 ± 0.12 | 8 ± 0.08 | 0 | 10 ± 0.12 | 0 | 0 |
| S. aureus | 11 ± 0.22 | 10 ± 0.45 | 0 | 8 ± 0.42 | 7 ± 0.42 | 6 ± 0.08 | 0 | 0 | 0 | 0 | 0 | 0 |
| S. epidermidis | 14.5 ± 0.12 | 10 ± 0.18 | 8 ± 0.24 | 10 ± 0.32 | 8 ± 0.12 | 6 ± 0.32 | 10 ± 0.12 | 8 ± 0.32 | 6 ± 0.12 | 16 ± 0.22 | 15 ± 0.44 | 13 ± 0.41 |
| S. mutans | 14 ± 0.48 | 12 ± 0.37 | 10 ± 0.41 | 10 ± 0.32 | 8 ± 0.14 | 7 ± 0.09 | 11 ± 0.14 | 8 ± 0.13 | 0 | 10 ± 0.24 | 8 ± 0.14 | 6 ± 0.10 |
| E. coli | 14 ± 0.12 | 10 ± 0.32 | 8 ± 0.12 | 9 ± 0.17 | 7 ± 0.15 | 0 | 0 | 0 | 0 | 9 ± 0.14 | 7 ± 0.14 | 0 |
| S. enterica serovar typhimurium | 15 ± 0.24 | 11.5 ± 0.14 | 9 ± 0.24 | 9 ± 0.14 | 7.5 ± 0.32 | 0 | 10 ± 0.14 | 7 ± 0.24 | 0 | 0 | 0 | 0 |
a
The values indicate the diameter of inhibition zone (mm).