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Changes of ROS production in multidrug-resistant Pseudomonas aeruginosa exposed to different concentrations of AgNPs under fluorescence microscopy with ×400 magnification.
Notes: (A) The untreated P. aeruginosa without observable fluorescence. (B–E) Fluorescence observation of the bacteria exposed to 5.625, 11.25, 22.5, and 45 µg/mL AgNPs, respectively.
Abbreviations: AgNP, silver nanoparticle; ROS, reactive oxygen species.
