Enhancement of the Antibacterial Efficiency of Silver Nanoparticles against Gram-Positive and Gram-Negative Bacteria Using Blue Laser Light

Figure 8

SEM images of (a) E. coli and (b) S. aureus bacterial cells. The images correspond to the control group without treatment and bacterial cells treated with 50, 25, and 12.5 μg/m Ag-NPs photoactivated at different exposure times of 1, 3, 5, and 10 min.

(a)

(b)