TABLE 2.
Antibiofilm activity of synthesized gold nanoparticles against Cutibacterium acnes adhesion and biofilm disruption.
| Synthesized gold nanoparticles | MBIC50 in% v/v | MBIC50 μg/mL based on phenolic content of each nanoparticle compared with respective extract used in synthesis |
| Inhibition of C. acnes adhesion | ||
| HO-MeOH − GA | 1.79 | 0.59 |
| HO-MeOH + GA | 0.22 | 0.05 |
| HO-Powder − GA | <0.20 | <2.23 |
| HO-Powder + GA | <0.20 | <5.22 |
| C. acnes biofilm disruption | ||
| HO-MeOH − GA | 22.01 | 67.23 |
| HO-MeOH + GA | No inhibition | No inhibition |
| HO-Powder − GA | No inhibition | No inhibition |
| HO-Powder + GA | 11.78 | 315.12 |