Fig. 4From: Near infrared II excitation nanoplatform for photothermal/chemodynamic/antibiotic synergistic therapy combating bacterial biofilm infectionsa Crystal violet staining of S. aureus biofilms after different treatments. b The corresponding quantified biomass of the biofilms of I: PBS, II: Van, III: BTFB, IV: BTFB@Fe, and V: BTFB@Fe@Van. c Three-dimensional CLSM images showing live/dead staining of S. aureus biofilms after different treatments (scale bars: 100 μm)Back to article page