A synergistic bactericidal effect of low-frequency and low-intensity ultrasound combined with levofloxacin-loaded PLGA nanoparticles on M. smegmatis in macrophages

摘要

A schematic of the ultrasonic irradiation procedure. The cell Petri dish was placed upright over the center of the transducer (frequency: 42 kHz, diameter: 45 mm)