Fig 4.

Effect of sub-MIC nitroxoline on preexisting biofilms. CLSM images of acridine-stained biofilm that was treated with 8 μg/ml nitroxoline for 4 h (B) and 12 h (D) in comparison to PBS with 2% TSB alone (A and C).

Effect of sub-MIC nitroxoline on preexisting biofilms. CLSM images of acridine-stained biofilm that was treated with 8 μg/ml nitroxoline for 4 h (B) and 12 h (D) in comparison to PBS with 2% TSB alone (A and C).