Abstract
To combat the serious environmental menace originating from over-consumption of antibiotics in human therapy and farming industry, studies have been devoted to developing diverse technologies for antibiotics monitoring. Herein, a novel color-coded array was constructed by Ln-MOF (Ln = Eu, Tb, and Gd) fluorescent carriers for qualitative and quantitative analyses of antibiotics based on a cross-responsive mechanism. The distinct morphology identification of 10 nitro-antibiotics was obtained after processing by linear discriminant analysis (LDA) and hierarchical cluster analysis (HCA), and concentration distributions were assessed within a range of 0–12 ppm (the detection limits all as low as ppb). Aid by the proposed array, the spiked antibiotics in lake water were successfully determined with a satisfactory recovery of 90.8%−110.8%. Notably, unknown speciation and concentration of multiple antibiotics in specific water samples can be determined, which further confirmed its admirable traceability. This research opens up a possibility to monitor environmental behavior and toxicology studies of antibiotics.
Published Version
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