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Reference type: Journal
Authors: Duan DD, Si XJ, Ding YP, Li L, Ma GH, Zhang L, Jian BY
Article Title: A novel molecularly imprinted electrochemical sensor based on double sensitization by MOF/CNTs and Prussian blue for detection of 17β-estradiol.
Publication date: 2019
Journal: Bioelectrochemistry
Volume: 129
Page numbers: 211-217.
DOI: 10.1016/j.bioelechem.2019.04.014
Alternative URL: https://www.sciencedirect.com/science/article/pii/S156753941830567X

Abstract: In this paper, we constructed MIL-53 (AlOHbdc, bdc = benzene-1,4-dicarboxylate) /CNTs and Prussian blue (PB) as the double sensitization material of the sensing platform, in which the MIL-53/CNTs hybrid can not only increase the specific surface area but also increase the conductivity of the sensor and PB can play a role in amplifying electrical signals and accelerating electron transmission. Pyrrole was used as monomer and E2 was used as template for electropolymerization to form conductive film. Moreover, the overoxidation/dedoping elution method were used to simplify the experimental process. Under optimal conditions, the MIECS exhibited an excellent sensitivity and high selectivity with a wide linear response range between 10-14 to 10-9 mol L-1 and an estimated detection limit of 6.19 × 10-15 mol L-1
Template and target information: 17β-estradiol, E2
Author keywords: Molecularly imprinted electrochemical sensor, Metal-organic frameworks, polypyrrole, Prussian blue, 17β-estradiol


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