| Samples | Staphylococcus aureus | Escherichia coli | ||
| Initial diameter (mm) | Final inhibition zone diameter (mm) | Initial diameter (mm) | Final inhibition zone diameter (mm) | |
| AgTiO2/Clay[1:1] | 8 | 18 ± 1 | 8 | 16 ± 1 |
| AgTiO2/Clay[1:0.5] | 8 | 20 ± 1 | 8 | 16 ± 1 |
| AgTiO2/Clay[1:0.1] | 8 | 18 ± 1 | 8 | 16 ± 1 |
| AgTiO2/Clay[1:0.05] | 8 | 20 ± 1 | 8 | 16 ± 1 |
| AgTiO2/Clay[1:0.01] | 8 | 18 ± 1 | 8 | 14 ± 1 |
| AgTiO2 | 8 | 16 ± 1 | 8 | 14 ± 1 |