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Iridium oxide nanoparticle induced dual catalytic/inhibition based detection of phenol and pesticide compounds

AutorMayorga-Martínez, Carmen C. ; Pino, Flavio ; Kurbanoglu, Sevinc; Rivas, Lourdes; Ozkan, Sibel A.; Merkoçi, Arben
Fecha de publicación2014
EditorRoyal Society of Chemistry (Great Britain)
CitaciónJournal of Materials Chemistry B 2(16): 2233-2239 (2014)
ResumenEnvironmental pollution control technology has a great demand for detection systems, particularly for pesticides and phenolic compounds. Moreover, analytical systems are highly required for the dual detection of different pollutants using the same platform. In that direction, a new, reliable, easy to use and disposable biosensor for the detection of catechol and chlorpyrifos is proposed. The designed biosensor with synergic properties between the high conductivity of iridium oxide nanoparticles, low-cost screen printed electrodes and the efficiency of tyrosinase shows broad linearity ranges for catechol and chlorpyrifos detection. Using this biosensor, very low limits of detection for catechol (0.08 μM) and chlorpyrifos (0.003 μM) are observed and recoveries of spiked tap and river water samples have also been studied showing very good recoveries.
URIhttp://hdl.handle.net/10261/126967
DOI10.1039/C3TB21765E
Identificadoresdoi: 10.1039/C3TB21765E
issn: 2050-750X
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