Table 4: Comparative antibacterial activities of L1 and L2 synthesized complexes 1 and 2, ligands, metal salt, and commercially available antibiotics.
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| Bacteria | Antibacterial activity (IZ diameter in mm) | ||||||||
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| SA | 13.12 ± 0.3 | 35.3 ± 0.32 | NA | 25 ± 0.23 | 35.0 ± 0.4 | NA | NA | 24.0 ± 0.32 | 27.3 ± 0.21 |
| SP | 17.9 ± 0.36 | 38.0 ± 0.20 | NA | 24.7 ± 0.3 | 34.0 ± 0.2 | NA | NA | 24.0 ± 0.21 | 26.7 ± 0.35 |
| MRSA | 17.8 ± 0.35 | 36.7 ± 0.13 | NA | 27.7 ± 0.2 | 31.3 ± 0.2 | NA | NA | 23.3 ± 0.22 | 26.3 ± 0.24 |
| EC | 11.8 ± 0.28 | 31.3 ± 0.24 | NA | 22.7 ± 0.2 | 28.8 ± 0.3 | NA | NA | 21.3 ± 0.31 | 28.7 ± 0.26 |
| KP | 28.4 ± 0.33 | 41.7 ± 0.3 | NA | 24.7 ± 0.4 | 40.0 ± 0.2 | NA | NA | 28.3 ± 0.32 | 32.3 ± 0.23 |
| SB | 22.56 ± 0.2 | 41.7 ± 0.3 | NA | 30.0 ± 0.2 | 27.3 ± 0.3 | NA | NA | 25.0 ± 0.41 | 27.3 ± 0.21 |
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| Note: Relative standard deviation of all data is less than 5% (acceptable). 1 = CuCl2·2H2O, 2 = 1,10-phenanthroline, 3 = thymine, 4 = [Cu(phen)2(H2O)2]Cl2, 5 = [Cu(Phen)2(thy)(H2O)]Cl, 6 = water, 7 = methanol, 8 = reference antibiotic (ciprofloxacin), 9 = reference antibiotic (chloramphenicol), and NA = no activity. | |||||||||