Skip to main content
. 2021 Jan;11(1):1–8. doi: 10.21037/qims-20-549

Figure 4.

Figure 4

Representative images of ETT (Subject 1) biomaterial showing a positive Gram stain for bacteria, as well as fluorescence microscopy imaging showing bacterial cells and biofilm matrix stained positive with FM-1-43 and SYPRO Ruby Red, respectively. Scale bars represent 5 µm. ETT, endotracheal tube.