Bactericides Properties of Chitosan Metal Quantum Dots Microbial Pathogenicity Against E. coli, S. aureus, and S. Typhi

Figure 3

SEM and EDX elemental analysis of gold (a) silver (b) and copper (c) nanoparticles at a concentration of 0.1 g/L supported on chitosan.

(a)

(b)

(c)