Double-enzymes-mediated fluorescent assay for sensitive determination of organophosphorus pesticides based on the quenching of upconversion nanoparticles by Fe3+
Xianfeng Lin, Qianru Yu, Wei Yang, Chuxian He, You Zhou, Nuo Duan, Shijia Wu
Topics & Concepts
Choline oxidaseChemistryDetection limitFluorescenceQuenching (fluorescence)SelectivityChlorpyrifosLinear rangePhoton upconversionNuclear chemistryEnzymeChromatographyAcetylcholinesteraseCombinatorial chemistryPesticideBiochemistryOrganic chemistryCatalysisQuantum mechanicsIonPhysicsAgronomyBiologyAdvanced Nanomaterials in CatalysisCarbon and Quantum Dots ApplicationsElectrochemical sensors and biosensors