Enhancement of the Antibacterial Activity of Silver Nanoparticles against Phytopathogenic Bacterium Ralstonia solanacearum by Stabilization

Figure 5

Cell membrane integrity measurements using fluorescence microscopy. Fluorescence imaging of R. solanacearum cells incubated with (a) DI water, (b) Tween 80, (c) Tween 80-stabilized (1.22 mg/L), and (d) Tween 80-stabilized Ag⁺ (2.48 mg/L) followed by staining with propidium iodide (PI) and DAPI.

(a)

(b)

(c)

(d)