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Time-dependent killing of S. Typhimurium exposed to different antibiotics. Exponential grown S. Typhimurium ATCC 14028 was treated with 100-fold MIC of ampicillin, 80-fold MIC of ciprofloxacin, and 40-fold MIC of colistin over a 24-h period. The bacterial culture without any antibiotic treatment served as a control. The values are means of three biological replicates and error bars indicate the standard deviation
