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Reference type: Journal
Authors: Ruiz-Córdova GA, Khan S, Gonçalves LM, Pividori MI, Picasso G, Sotomayor MDPT
Article Title: Electrochemical sensing using magnetic molecularly imprinted polymer particles previously captured by a magneto-sensor.
Publication date: 2018
Journal: Talanta
Volume: 181
Page numbers: 19-23.
DOI: 10.1016/j.talanta.2017.12.085
Alternative URL: https://www.sciencedirect.com/science/article/pii/S003991401731295X

Abstract: The determination of 1-chloro-2,4-dinitrobenzene (CDNB) was used as a proof-of-concept to a simple analytical practical configuration applying magnetic molecularly imprinted particles (mag-MIPs). Mag-MIPs were captured from an emulsion by a home-made magneto-sensor (where a small magnet was entrapped by a graphite-epoxy composite) and then, this sensor, was transferred to the solution containing the analyte, where, after binding to the mag-MIPs, the analyte was directly analysed using differential pulse voltammetry (DPV) since the magneto-sensor acted as the working electrode. After optimization, a detection limit of 6.0 μmol L-1 with a RSD of 2.7% was achieved along with suitable recoveries and selectivity. This methodology offers a different approach for electroanalytical methodologies using mag-MIPs
Template and target information: 1-chloro-2,4-dinitrobenzene, CDNB
Author keywords: 2,4-Dinitrochlorobenzene (CDNB), Electroanalysis, Magnetic beads, Modified working electrode, nanoparticles, stripping voltammetry


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