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Reference type: Journal
Authors: Xie CG, Zhou HK, Gao S, Li HF
Article Title: Molecular imprinting method for on-line enrichment and chemiluminescent detection of the organophosphate pesticide triazophos.
Publication date: 2010
Journal: Microchimica Acta
Volume: 171
Issue: (3)
Page numbers: 355-362.
DOI: 10.1007/s00604-010-0447-5

Abstract: A molecularly imprinted polymer (MIP) was synthesized by the precipitation polymerization method using triazophos (TAP) as the template. The MIP can selectively absorb TAP from sample solutions. The absorbed TAP strongly enhances the chemiluminescence (CL) of luminol-H2O2. This was applied to design a method for the on-line enrichment and detection of TAP. The change in CL intensity is linearly proportional to the concentration of TAP in the range from 1.0 μM to ~4.0 nM, and the detection limit is 2.5 nM (at an S/N of 3σ). This is about one order of magnitude lower than that of the conventional CL assay. The method was successfully applied to the determination of TAP in vegetable samples
Template and target information: triazophos , TAP
Author keywords: molecularly imprinted polymer, chemiluminescence, Triazophos, precipitation polymerization


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