Fig. 4

The investigation of antibacterial mechanisms. A Fluorescent photographs of ROS level in MRSA with various treatments in vitro, stained by DCFH-DA, bar = 100 μm. B Crystalline violet-stained biofilm. E Images of MRSA biofilms stained with crystal violet, bar = 200 μm. C Consequential statistics of histograms indicating religious ROS activity levels. D Absorbance of biofilm in different groups