Table 4 Antibacterial activity of CoCl2.6H2O, ligands, metal complexes, and reference antibiotic
|  | Antimicrobial activity ( mean IZ diameter (mm) ± SD) | |||
|---|---|---|---|---|
Compound | Escherichia coli | Salmonella typhus | Staphylococcus aurous | Staphylococcus epidermis |
CoCl2.6H2O | 10.50 ± 0.00 | 11.33 ± 0.58 | 12.08 ± 1.01 | 13.92 ± 0.14 |
L1 | 27.33 ± 0.57 | 35.33 ± 0.28 | 34.83 ± 0.29 | 27.28 ± 0.29 |
L2 | 0 | 0 | 0 | 0 |
L3 | 40.00 ± 0.00 | 50.17 ± 0.29 | 54.50 ± 0.50 | 43.92 ± 0.14 |
[Co2(L1)4(L2)2(L3)]Cl4 | 23.76 ± 0.57 | 23.92 ± 0.14 | 23.25 ± 0.66 | 22.50 ± 1.32 |
[Co(L1)2(L2)(H2O)]Cl2 | 21.33 ± 0.57 | 20.50 ± 0.00 | 19.53 ± 0.50 | 20.17 ± 0.29 |
[Co(L1)2(H2O)2]Cl2 | 20.67 ± 0.57 | 19.50 ± 0.50 | 18.67 ± 0.58 | 19.25 ± 0.43 |
Methanol | 42.75 ± 0.25 | 42.67 ± 0.58 | 44.83 ± 0.29 | 40.83 ± 0.29 |
Water | 0 | 0 | 0 | 0 |
Ciprofloxacin | 35.25 ± 0.25 | 40.50 ± 0.50 | 29.92 ± 0.38 | 36.08 ± 1.01 |