Table 5. MICa of Biofilm Inhibition Activity of Schiff Bases 3a–h against Biofilm-Forming Microorganisms at 24 h.
| bacteria strain | 3e | 3f | 3h |
|---|---|---|---|
| S. aureus ATCC 25923 | NA | 62.50 | NA |
| E. faecalis ATCC 29212 | 250 | 125 | 250 |
| C. tropicalis (clinical isolate) | NA | 62.50 | 250 |
μM; NA: non-active.