Controllable Enhanced Ru(bpy)32+Electrochemiluminescence Detection Systems Based on Eu@MOF253@AuNPs/GCE for the Sensitive Detection of Carbaryl in Food

被引：9

作者：

Liu, Chang ^{[1
]}

Cai, Lin ^{[1
]}

Wang, Yuwei ^{[1
]}

Wang, Haiyang ^{[1
]}

Fang, Guozhen ^{[1
]}

Wang, Shuo ^{[1
,2
]}

机构：

[1] Tianjin Univ Sci & Technol, State Key Lab Food Nutr & Safety, Tianjin 300457, Peoples R China

[2] Nankai Univ, Sch Med, Tianjin Key Lab Food Sci & Hlth, Tianjin 300071, Peoples R China

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2022年 / 70卷 / 20期

关键词：

electrochemiluminescence; controllable detection range; Eu@MOF253; Ru(bpy)(3)(2+); S2O(8)(2-); METAL-ORGANIC FRAMEWORKS; ELECTROGENERATED CHEMILUMINESCENCE; ELECTROCHEMILUMINESCENCE; PESTICIDES; CARBAMATE; SORPTION;

D O I：

10.1021/acs.jafc.2c01932

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

In this study, an electrochemiluminescence detection system for the sensitive detection of carbaryl was constructedbased on the dual identification of Eu@MOF253, which has a recognition effect on carbaryl, and the electrochemiluminescencesystem of Ru(bpy)32+/S2O82-, which can react with carbaryl in a redox reaction. This method not only overcame the weakness of theelectrochemiluminescence instability of the Ru(bpy)32+/S2O82-system but also changed the sensitivity of the sensing detectionsystem to the target by adjusting the concentration of Ru(bpy)32+and then proposed a detection strategy with a controllabledetection range. After analyzing the electrochemiluminescence signal change mechanism of this system and optimizing the detectionconditions, it was concluded that the strategy has good linear detection of carbaryl in the range of 1-1000 and 0.02-0.3 mu gL-1, andthe detection limits were 0.058 and 0.014 mu gL-1. Finally, the strategy was also successfully applied to the detection of actual samples

引用

页码：6264 / 6271

页数：8

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