Research Article
Comparative Study on the Synergistic Action of Differentially Synthesized Silver Nanoparticles with β-Cephem Antibiotics and Chloramphenicol
Table 2
Synergistic activity of cephalothin against different pathogens.
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Microorganisms |
Cephalothin zone (mm) | Ag NPs + cephalothin | Ag NPs (AS) 30 µg/disc | Fold increase (%) | Ag NPs (CS) 20 µg/disc | Fold increase (%) |
| Escherichia coli | 0 | 0 | 0 | 0 | 0 | Pseudomonas aeruginosa | 14 | 10 | −28.5 | 15 | 7.1 | Staphylococcus aureus | 11 | 12 | 9 | 10 | −9 | Lactococcus lactis | 12 | 11 | −8.3 | 12 | 0 | Micrococcus luteus | 11 | 13 | 18.18 | 10 | −9 | Bacillus subtilis | 10 | 13 | 30 | 13 | 30 | Proteus vulgaris | 34 | 22 | −35.2 | 24 | −29.4 | Klebsiella pneumoniae | 0 | 0 | 0 | 0 | 0 | Salmonella typhi | 13 | 13 | 0 | 14 | 7.6 | Proteus mirabilis | 34 | 36 | 5.8 | 35 | 2.9 |
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