Electrochemiluminescent system based-on novel semi-sandwich Lanthanide metal complex with 3D rod-like nanoflowers In2O3/ZnIn2S4 as co-reaction accelerator for kanamycin detection

被引：8
作者：
Duan, Xiaoyi [1 ]
Zhang, Nuo [1 ]
Huang, Jingcheng [2 ]
Xu, Rui [2 ]
Zhao, Zhe [1 ]
Yang, Lu [1 ]
Liu, Hui [1 ]
Wang, Yuebo [1 ]
Guo, Yemin [2 ]
Sun, Xia [2 ]
Jiang, Jianzhuang [3 ]
Zhang, Daopeng [1 ]
机构：
[1] Shandong Univ Technol, Coll Chem & Chem Engn, 12 Zhangzhou Rd, Zibo 255049, Peoples R China
[2] Shandong Univ Technol, Sch Agr Engn & Food Sci, 12 Zhangzhou Rd, Zibo 255049, Peoples R China
[3] Univ Sci & Technol Beijing, Dept Chem, 30 Xueyuan Rd, Beijing 100083, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2023年 / 379卷
关键词：
Electrochemiluminescence aptasensor; Lanthanum-based luminophore; Heterogeneous junction structure; Kanamycin; ORGANIC FRAMEWORK; LUMINOPHORES; EFFICIENT; MOF;
D O I：
10.1016/j.snb.2022.133259
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Based-on novel semi-sandwich phthalocyanine(Pc) gadolinium complex as luminophore and three-dimensional flower-like nanorods In2O3/ZnIn2S4 as co-reactant accelerator (CRA), an electrochemiluminescent (ECL) apta-sensor with a highly sensitive signal amplification strategy was constructed. The Pc-Gd complex exhibited excellent luminescent property enhanced by "antenna effect" of 18-electron conjugated macrocycle ligand. In addition, the proper design and configuration of In2O3/ZnIn2S4 tubular heterogeneous structure accelerated the transfer of photo-generated charges and the flower-like nanosheets formed provided more active sites, which could not only greatly increase luminophore loading but also effectively shorten transmission distance between ions and co-reactants. The constructed biosensor showed superior kanamycin (KAN) detection performance within 0.01 pg/mL-1000 ng/mL and a detection limit down to 0.003 pg/mL(S/N = 3). The current work developed a new strategy to amplify ECL using lanthanide complex as luminophore and In2O3/ZnIn2S4 as CRA, providing valuable information for the future ECL sensor design and extending the application field of lanthanide luminescent complex.
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页数：8
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