Research Article

One-Pot, Surfactant-Free Synthesis of Gold Nanostars and Evaluation of Their Antibacterial Effects against Propionibacterium acnes

Figure 10

Antibacterial effect at various concentrations of GNS by the well diffusion method: (0) control (H2O), (1) 50 μg/mL, (2) 100 μg/mL, (3) 150 μg/mL, and (4) 200 μg/mL.