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Reference type: Journal
Authors: Li Y, Zhao XR, Li P, Huang YF, Wang J, Zhang JM
Article Title: Highly sensitive Fe3O4 nanobeads/graphene-based molecularly imprinted electrochemical sensor for 17β-estradiol in water.
Publication date: 2015
Journal: Analytica Chimica Acta
Volume: 884
Page numbers: 106-113.
DOI: 10.1016/j.aca.2015.05.022
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0003267015006418

Abstract: A novel molecularly imprinted electrochemical sensor based on Fe3O4 nanobeads immobilized on graphene (Fe3O4-MIP@RGO) has been developed for detecting 17β-estradiol (17β-E2) in water using reversible addition fragmentation chain transfer (RAFT) polymerization technique. 17β-E2 can be detected by this electrochemical sensor through the response current change before and after binding 17β-E2. The Fe3O4-MIP@RGO-based sensor amplifies the response current in differential pulse voltammetry measurement, allowing the detection limit reaching 0.819 nM in a wide linear range from 0.05 to 10 μM. Moreover, Fe3O4-MIP@RGO-based sensor exhibits high selectivity and sensitivity towards 17β-E2. This MIP electrochemical sensor has a promising potential in the detection of 17β-E2 in water
Template and target information: 17β-estradiol, 17β-E2, E2
Author keywords: molecularly imprinted polymer, Electrochemical sensor, Fe3O4 nanobeads, Graphene, 17β-estradiol, RAFT

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