Biocompatible Silver Nanoparticle-Modified Natural Diatomite with Anti-Infective Property

Figure 7

Antibacterial effect of different samples against E. coli (a) and S. aureus (b). Images show agar plates inoculated with 1 mL of PBS (A), bacterial suspension in PBS (B), nanosilica solutions (C), bacterial suspension in nanosilica solutions (D), and bacterial suspension in nAgDT solutions at concentration of 0.1 (E), 0.5 (F), 1 (G), 2.5 (H), and 5 (I) mg/mL, respectively.

(a)

(b)