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Fluorescence intensity vs. time: (a) ciprofloxacin, condition: flow rate: 400 μL·min−1, integration time: 600 mS, λmax: 489 nm, and concentration range: 0.5–25 μg·mL−1; (b) moxifloxacin, condition: flow rate: 400 μL·min−1, integration time: 600 mS, λmax: 512 nm, and concentration range: 0.5–40 μg·mL−1.
