Fig. 9. SEM images of S. aureus adhered on the control TNTs sample with bacteria detail showed in the inset (A). Live/dead fluorescence staining of S. aureus performed on differently functionalized Ag-NPs decorated on TNTs nanotubes ((B) red color represents dead cells and green color represents live cells). Abbreviations: PVP (polyvinylpyrrolidone), BPEI (branched polyethyleneimine), PEG (polyethylene glycol).
