Development and application of fluorescent probes for the selective and sensitive detection of F- and oxyfluorfen

被引:9
作者
Jiang, Chunyu [1 ]
Ye, Xinlu [2 ]
Wu, Nan [1 ]
Li, Ping [1 ]
Yang, Liu [1 ]
Liu, Yulong [1 ]
Fu, Ying [1 ]
Ye, Fei [1 ]
机构
[1] Northeast Agr Univ, Dept Appl Chem, Coll Arts & Sci, Harbin 150030, Peoples R China
[2] Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Hung Hom, Hong Kong, Peoples R China
关键词
Oxyfluorfen; Fluorescent sensor; Colorimetric; Ratiometric; Test kits; NAKED-EYE; FLUORIDE ANION; WATER; CHEMOSENSOR; DERIVATIVES; ELECTRODE; RESIDUE; DESIGN; SENSOR; PH;
D O I
10.1016/j.ica.2021.120362
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Oxyfluorfen is a widely used fluorine-containing pesticide for resistant weed control. It is essential to develop a method that can rapidly and efficiently detect oxyfluorfen. Herein, a novel fluorescent sensor, N-n-butyl-4-(2thiophene)-naphthalimide (TNA), was constructed used to determine oxyfluorfen based on hydrogen bond and deprotonation. TNA was applied to detect F- and oxyfluorfen, with limits of detection calculated to be 0.48 ?M and 1.21 ?M, respectively. Furthermore, 1H NMR titration was carried out to demonstrate the detection mechanism. TNA solution-coated paper strips were developed for F- detection. The present work indicated that the TNA sensor has great potential application in monitoring F- and oxyfluorfen in real samples.
引用
收藏
页数:10
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