Modulation of inner filter effect between persistent luminescent particles and 2, 3-diaminophenazine for ratiometric fluorescent assay of ascorbic acid and ascorbate oxidase activity

Chao Yao,Guiqun Zhang,Yan Guan,Tong Yang,Rong Hu,Yunhui Yang

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy（2022）

Cited 4|Views9

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Abstract

•A ratiometric fluorescent probe was constructed for the detection of AA and AAO activity.•The inner filter effect between persistent luminescent particles and DAP was occurred.•The probe is highly sensitive with the detection limit of 0.25 mU/mL for AAO.•The sensor was successful used to detect AA in real samples (lemon, orange, tomato, kiwi and strawberry).

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Key words

Persistent luminescent particles,O-phenylenediamine,Ascorbic acid,Ascorbate oxidase,Ratiometric fluorescent probe

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