Table 6.
MIC values of antimicrobial activity of ligands and their metal complexes (µg/mL).
| Compound | Bacillus subtilis | Staphylococcus aureus | Proteus vulgaris | Klebsiella pneumoniae | Candida albicans |
|---|---|---|---|---|---|
| HL1 | — | — | — | — | — |
| HL2 | 80 | 80 | 80 | 80 | 80 |
| HL3 | — | — | — | — | — |
| HL4 | — | — | — | — | — |
| [Ni(L1)2] | 35 | 40 | 32 | 41 | 75 |
| [Ni(L2)2]·H2O | 70 | 80 | 65 | 85 | — |
| [Ni(L3)2]·H2O | 45 | 45 | 50 | 33 | 33 |
| [Ni(L4)2] | 75 | 80 | — | 78 | — |
| [Zn(L1)2]·H2O | — | — | — | — | — |
| [Zn(L2)2] | 85 | 78 | 80 | 75 | 80 |
| [Zn(L3)2] | 30 | 30 | 33 | 30 | 33 |
| [Zn(L4)2]·H2O | — | 80 | — | 80 | — |
| Kanamycin | 4 | 10 | 8 | 11 | — |
| Clotrimazole | — | — | — | — | 10 |