Dual-mode strategy for 2,6-dipicolinic acid detection based on the fluorescence property and peroxidase-like activity inhibition of Fe-MIL-88NH2

Donglian Deng,Jingyuan Xu,Tingting Li,Dongdong Tan,Yibing Ji,Ruijun Li

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy（2023）

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摘要

•A novel fluorometric/colorimetric dual-mode sensor for DPA detection was established based on Fe-MIL-88NH2.•The inhibitory effect of DPA on the peroxidase activity of Fe-MIL-88NH2 was investigated.•The method demonstrated good sensitivity, selectivity, and visual monitoring toward DPA.

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关键词

2,6-dipicolinic acid,Metal-organic framework,Nanozyme,Fluorometric,Colorimetric

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