Table 2.
In vitro Antimicrobial Assay Readings Against Various Multidrug Resistant Microbial Strains
| Name of Microbial Strains | Zone of Inhibition (in mm) Results Expressed as Mean±SEM (SD) | ||||
|---|---|---|---|---|---|
| CuO NRs | Positive Control | Negative Control | P value | ||
| Gram positive bacteria | Staphylococcus aureus | 28.66±0.66(1.15) | 17.66±0.33(0.57) | 6.66±0.33(0.57) | <0.0001 |
| Streptococcus mutans | 28.66±0.33(0.5) | 28±0.33(0.57) | 6.33±0.33(0.57) | <0.0001 | |
| Streptococcus pyogenes | 25.66±0.66(1.15) | 23±0.83(0.57) | 6.33±0.33(0.57) | <0.0001 | |
| Streptococcus viridians | 27.33±0.33(0.57) | 16.33±0.33(0.57) | 6.33±0.33(0.57) | <0.0001 | |
| Staphylococcus epidermidis | 23±2.0(3.4) | 7.33±0.03(0.57) | 6.33±0.33(0.57) | <0.0001 | |
| Corynebacterium xerosis | 28.66±5.66(9.8) | 19±0.63(0.57) | 6.33±0.33(0.57) | 0.0085 | |
| Bacillus cereus | 31.66±1.2(2.08) | 15±0.66(1.15) | 6.33±0.33(0.57) | <0.0001 | |
| Gram negative bacteria | Escherichia coli | 25.33±5.3(9.2) | 20±0.33(0.57) | 6.66±0.33(0.57) | 0.013 |
| Klebsiella pneumonia | 24.66±2.6(4.5) | 32±0.33(0.57) | 6.33±0.33(0.57) | <0.0001 | |
| Pseudomonas aeruginosa | 25.66±2.33(4.04) | 14±0.63(0.57) | 6.33±0.33(0.57) | 0.002 | |
| Proteus vulgaris | 26.33±2.18(3.78) | 16.33±0.33(0.57) | 6.33±0.33(0.57) | <0.0001 | |
| Fungus | Trichophyton rubrum | 12.54±0.33(0.57) | 6.33±0.33(0.57) | 6.33±0.33(0.57) | <0.0001 |