Bovine Serum Albumin and Chitosan Coated Silver Nanoparticles and Its Antimicrobial Activity against Oral and Nonoral Bacteria

Figure 5

SEM micrographs of S. mutans bacteria treated with SNP. (a) Noncoated SNP (10.7 nm); (b) BSA-SNP (22.9 nm); (c) CS-SNP (29.7 nm); (d) control (S. mutans).

(a)

(b)

(c)

(d)