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Reference type: Journal
Authors: Iacob BC, Bodoki E, Farcau C, Barbu-Tudoran L, Oprean R
Article Title: Study of the Molecular Recognition Mechanism of an Ultrathin MIP Film-Based Chiral Electrochemical Sensor.
Publication date: 2016
Journal: Electrochimica Acta
Volume: 217
Page numbers: 195-202.
DOI: 10.1016/j.electacta.2016.09.079
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0013468616319806

Abstract: This study is focused on the molecular recognition mechanism of a methacrylate-based R(+)-atenolol molecularly imprinted polymer (MIP), employed as a chiral sensing interface in the construction of a novel electrochemical sensor. The MIP was electrogenerated as an ultrathin-film onto the surface of a carbon paste working electrode under potentiodynamic conditions in a non-aqueous media. Differential pulse voltammetry served as signal transduction method for the direct and indirect (by means of two redox probes, [Fe(CN)6]3-/4- and 1,1'-ferrocene dimethanol, respectively) detection of the underlying molecular recognition process. The rebinding of the template enantiomer led to changes in solute permeability of the MIP-layer, indicating the presence of a "gate effect" as part of the molecular recognition process
Template and target information: atenolol
Author keywords: molecularly imprinted polymer, molecular recognition, chiral electrochemical sensor, β-Blocker, ultra-thin film


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