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

Table 2

Zone of inhibition of GNS against P. acnes in various concentrations.

Samples	Concentration (μg/mL)	Zone of inhibition (mm)
H2O	—	—
GNS	50	—
GNS	100
GNS	150
GNS	200

Zone of inhibition was measured as of at least three independent experiments. —: no activity.