Evaluating Antimicrobial Effectiveness of Gold Nanoparticles against Streptococcus oralis

Figure 7

Inhibition zones created by Au NPs against S. oralis for concentrations of (a) 3.12, 6.25, 12.5, 25, 50, and 100 ppm; and (b) 0.09, 0.19, 0.39, 0.78, and 1.56 ppm.

(a)

(b)