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Reference type: Journal
Authors: Yamazaki T, Meng Z, Mosbach K, Sode K
Article Title: A novel amperometric sensor for organophosphotriester insecticides detection employing catalytic polymer mimicking phosphotriesterase catalytic center.
Publication date: 2001
Journal: Electrochemistry
Volume: 69
Issue: (12)
Page numbers: 969-972.

Abstract: An amperometric sensor for organophosphotriester insecticides employing polymer catalysis, as an artificial enzyme, was developed. The polymer catalysis was composed of the Co2+- imidazoles complexes which is the mimic of the catalytic center of the organophosphotriester insecticides hydrolysis enzyme, phosphotriesterase (PTE). The polymer catalysis enabled to hydrolyze paraoxon to p-nitrophenol and diethylphosphoric acid. The hydrolysate p-nitrophenol was subsequently oxidized on the anodic electrode, at the sensor system employing polymer catalysis. The lower detection limit was 100 μM for paraoxon at 40 degreesC in 4 min
Template and target information: organophosphotriester insecticides, paraoxon


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