Table 1.
Inhibition Zones (IZs). Minimum Inhibitory Concentrations (MICs), Minimum Bactericidal Concentrations (MBCs), Biofilm Elimination Concentrations (ΒΕCs) of ORLE, and AgNPs(ORLE) against P. aeruginosa, E. coli, S. epidermidis, and S. aureus.
| Material Title | P. aeuroginosa | E. coli | S. epidermidis | S. aureus |
|---|---|---|---|---|
| IZ (mm) | ||||
| AgNPs(ORLE) 2 mg/mL | 13.1 ± 1.6 | 12.3 ± 0.7 | 12.7 ± 1.7 | 14.8 ± 1.1 |
| ORLE 2 mg/mL | 10.2 ± 0.7 | 9.3 ± 0.5 | ND | ND |
| pHEMA@AgNPs(ORLE)_2 | 10.3 ± 0.7 | ND | 11.0 ± 1.9 | 10.3 ± 0.7 |
| pHEMA@ORLE_2 | ND | ND | ND | ND |
| Bacteria Viability (%) | ||||
| pHEMA@AgNPs(ORLE)_2 | 66.5 | 88.3 | 77.7 | 59.6 |
| pHEMA@ORLE_2 | 89.3 | 88.1 | 92.8 | 84.6 |
| MIC (μg/mL) | ||||
| AgNPs(ORLE) | 139.5 ± 17.4 | 124.3 ± 12.9 | 272.2 ± 14.1 | >300 |
| ORLE | >300 | >300 | >300 | >300 |
| MBC (μg/mL) | ||||
| AgNPs(ORLE) | 135.7 ± 35.2 | >300 | >300 | >300 |
| ORLE | >300 | >300 | >300 | >300 |
| BEC (μg/mL) | ||||
| AgNPs(ORLE) | 945 ± 72 | – | – | >1000 |
ND = Not Developed (IZ) was developed. ORLE = oregano leaves extract. IZ= Inhibition Zone. MIC= Minimum Inhibitory Concentration, MBC= Minimum Bactericidal Concentration, BEC= Biofilm Elimination Concentrations.