Fig. 3.
In vitro antibacterial activity of CAZ NPs. (a) Infrared thermal images of PBS, ZnO, and CAZ NPs under 808 nm NIR irradiation (2.0 W cm−2). (b)Temperature changes of S. aureus solution during treatment with PBS, ZnO, and CAZ NPs under 808 nm NIR irradiation. Photographic images of bacterial colonies of (c) S. aureus and (d) P. aeruginosa under different treatments. Bacterial viability of (e) S. aureus and (f) P. aeruginosa under different treatment conditions. ∗∗∗p < 0.001.