Abstract
Combining high recognition selectivity with excellent electrochemiluminescent (ECL) performance, the imprinted poly(luminol-p-aminothiophenol) was prepared by the electrochemical copolymerization of luminol and p-aminothiophenol onto the gold electrode surface in the presence of triazophos. The recognition selectivity and ECL of the imprinted poly(luminol-p-aminothiophenol) were studied using triazophos as analyte. It was found that the imprinted poly(luminol-p-aminothiophenol) presented better ECL emission to triazophos than that of the polyluminol. On this basis, a reagentless ECL sensor based on the imprinted poly(luminol-p-aminothiophenol) as recognition elements is established for the detection of ultra-trace triazophos residues in the environmental water samples under near neutral condition. The resulting reagentless ECL sensor shows wide linear ranges from \(1.0 \times 10^{-10}\) to \(1.0 \times 10^{-6}\) M with lower detection limit of \(5.8 \times 10^{-11}\) M for triazophos.
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Li, H., Wang, Y., Zha, H. et al. Reagentless Electrochemiluminescence Sensor for Triazophos Based on Molecular Imprinting Electropolymerized Poly(Luminol-p-Aminothiophenol) Composite-Modified Gold Electrode. Arab J Sci Eng 44, 145–152 (2019). https://doi.org/10.1007/s13369-018-3289-9
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DOI: https://doi.org/10.1007/s13369-018-3289-9