Electropolymerized molecularly imprinted polypyrrole film for dimethoate sensing: investigation on template removal after the imprinting process
Marlene Valentino, Anna Imbriano, Angelo Tricase, Flavio Della Pelle, Darío Compagnone, Eleonora Macchia, Luisa Torsi, Paolo Bollella, Nicoletta Ditaranto
Abstract
The proposed PPy-MIP modified electrode was able to detect dimethoate in the picomolar range (LOD of (8 ± 2) × 10 −12 M), which is five orders of magnitude lower than the limits set by EU legislation ( i.e. , ∼40 × 10 −9 M).
Topics & Concepts
DimethoatePolypyrroleMolecular imprintingMolecularly imprinted polymerImprinting (psychology)NanotechnologyChemistryMaterials scienceChromatographyPolymerizationPesticidePolymerCatalysisSelectivityOrganic chemistryBiochemistryBiologyGeneAgronomyAdvanced Chemical Sensor TechnologiesAnalytical chemistry methods developmentAnalytical Chemistry and Sensors