Journal
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
Volume 44, Issue 1, Pages 145-152Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s13369-018-3289-9
Keywords
Poly(luminol-p-aminothiophenol); Polyluminol; Electrochemical polymerization; Electrochemiluminescence; Triazophos; Molecularly imprinted polymer
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Funding
- National Natural Science Foundation of the People's Republic of China [21705119]
- Science and Technology Project of Anhui Province [1606c08229]
- Key projects of Natural Science Research of Anhui Province [KJ2016A741, KJ2017A410]
- National Undergraduate Training Program for Innovation and Entrepreneurship [201710376009]
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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 x 10(-10) to 1.0 x 10(-6) M with lower detection limit of 5.8 x 10(-11) M for triazophos.
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