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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.
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页数:10
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