Research Article
Synthesis, Spectral, and In Vitro Antibacterial Studies of Organosilicon(IV) Complexes with Schiff Bases Derived from Amino Acids
Table 5
Antibacterial activity of ligands and their organosilicon(IV) complexes.
| | Compounds | Inhibition zone (mm) and activity index (AI)a | | Bacillus cereus | Nocardia spp. | Staphylococcus spp. | E. coli | Klebsiella spp. | E. aerogenes | | 100 g/mL | 100 g/mL | 100 g/mL | 100 g/mL | 100 g/mL | 100 g/mL |
| | 5.6 (0.394) | 5.9 (0.450) | 6.7 (0.453) | Inact. | Inact. | Inact. | | 7.8 (0.549) | 8.4 (0.641) | 8.2 (0.554) | 3.6 (0.283) | 2.8 (0.250) | 3.5 (0.280) | | 6.6 (0.465) | 7.2 (0.550) | 7.9 (0.534) | Inact. | Inact. | Inact. | | 10.5 (0.739) | 11.9 (0.908) | 9.8 (0.662) | 3.9 (0.307) | 3.2 (0.286) | 3.5 (0.280) | | 9.6 (0.394) | 9.9 (0.556) | 9.4 (0.635) | 6.7 (0.528) | 5.4 (0.482) | 6.2 (0.496) | | 12.6 (0.887) | 12.7 (0.969) | 12.9 (0.871) | 9.5 (0.748) | 9.9 (0.884) | 8.7 (0.696) | | 8.5 (0.599) | 8.1 (0.618) | 8.7 (0.587) | 6.2 (0.488) | 7.4 (0.661) | 7.1 (0.568) | | 10.6 (0.745) | 12.4 (0.947) | 12.1 (0.818) | 9.8 (0.772) | 9.5 (0.848) | 10.8 (0.864) | | Streptomycin | 14.2 | 13.1 | 14.8 | 12.7 | 11.2 | 12.5 |
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(AI): inhibition zone of test compounds/inhibition zone of standard.
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