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Issue 18, 2012
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A novel high selectivity chemiluminescence sensor for fenvalerate based on double-sided hollow molecularly imprinted materials

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Abstract

Novel fenvalerate double-sided hollow molecularly imprinted microspheres (fenvalerate-DHMIMs) were fabricated by in situ polymerization with the help of mesoporous silica microspheres (MSMs) in this paper for the very first time. Scanning electron microscope was employed to characterize the surface morphology of the fenvalerate-DHMIMs. Taking advantage of the quenching effect of fenvalerate on the luminol–H2O2–NaOH chemiluminescence system, a new model was established to determine fenvalerate by a highly selective flow injection chemiluminescence method. The traditional flow-through cell was replaced by a novel Y-shaped column. The chemiluminescence intensity was linear with fenvalerate concentration over the range of 5.0 × 10−8 to 2.0 × 10−5 g mL−1 and the detection limit was 2.2 × 10−8 g mL−1. The relative standard deviation (RSD) for the determination of 2.0 × 10−6 g mL−1 fenvalerate was 1.4% (n = 11). The proposed method was applied to the determination of fenvalerate in real samples with satisfactory results.

Graphical abstract: A novel high selectivity chemiluminescence sensor for fenvalerate based on double-sided hollow molecularly imprinted materials

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Article information


Submitted
04 Jun 2012
Accepted
14 Jul 2012
First published
16 Jul 2012

Analyst, 2012,137, 4247-4253
Article type
Paper

A novel high selectivity chemiluminescence sensor for fenvalerate based on double-sided hollow molecularly imprinted materials

D. Zang, M. Yan, P. Zhao, L. Ge, S. Liu and J. Yu, Analyst, 2012, 137, 4247
DOI: 10.1039/C2AN35738K

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