Research Article

Multiclawed SiO2 Nano-Antibacterial Agent Based on Charge Inversed Ce6 Ionic Liquid Polymers for Combating Oral Biofilm Infection

Figure 4

(a) (A) S. mutans biofilm; (B) S. mutans biofilm treated with Ce6; (C) S. mutans biofilm treated with SiO2-PCe6-IL; (b) live (green) and dead (red) results; (A) control group; (B) treated with Ce6; (C) treated with SiO2-PCe6-IL; (c) (A–C) the morphology of S. mutans biofilm; (D, E) the morphology of S. mutans biofilm treated with Ce6; (F, G) the morphology of S. mutans biofilm treated with SiO2-PCe6-IL; (H) the morphology of S. mutans biofilm combined with SiO2-PCe6-IL; (I) the pores in the EPS.