Figure 7

Inhibitory effects of TiO₂ and C₇₀-TiO₂ thin films on the formation of E. coli O157:H7 biofilm in the dark and under visible light irradiation.

Where the square piece is TiO₂ or C₇₀-TiO₂ thin film, CK refers to control experiment without TiO₂ and C₇₀-TiO₂ thin film.