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. 2018 Sep 10;3(9):10877–10885. doi: 10.1021/acsomega.8b00716

Figure 6.

Figure 6

(a) Antibiofilm effects of ZnO-SQ on the S. aureus biofilm in the presence and absence of red light illumination monitored by the adhesion efficiency of biomass through the crystal violet staining assay. The upper panel shows images of crystal violet-stained plates. Microscopic images of (b) S. aureus biofilms and (c) biofilms after red light illumination on ZnO-SQ-treated samples. Scale bar is 20 μm. Field emission gun SEM images of (d) S. aureus biofilms and (e) biofilms after red light illumination on ZnO-SQ-treated samples. Scale bar is 5 μm.