Abstract
Rutin (RU) is a common flavonoid compound that has attracted widespread attention. Accurately and quickly detecting RU is crucial. Herein, a novel electrochemical RU sensor based on in-situ salt template two-dimension ZIF-derived ultra-thin zinc/cobalt@ nitrogen doped carbon nanosheets composites modified glassy carbon electrode (Zn/Co@NCNSs/GCE) was constructed. Zn/Co-ZIF was synthesized by in-situ salt template method and the ultra-thin sheet structure Zn/Co@NCNSs were obtained by directly pyrolysis Zn/Co-ZIF and template removal showing good electrochemical performance for rutin detection, which benefited from the sheet structure with larger surface. For the detection of rutin, the Zn/Co@NCNSs/GCE showed wider linear range (10 nM - 1000 nM) and lower detection limit (LOD, 2.7 nM). In addition, the sensor achieved good recovery and accuracy in detecting RU in actual samples (RU tablets and orange juice).
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