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Vinyl crown ether as a novel radical crosslinked sol–gel SPME fiber for determination of organophosphorus pesticides in food samples

Food ChemistryEnvironmental ChemistryResidue (Chemistry)EngineeringPesticide-residue AnalysisEnvironmental EngineeringEnvironmental Analytical ChemistrySol–gel Spme FiberOrganic ChemistryToxicologyAnalytical ChemistryFood SamplesEnvironmental ToxicologyChemistryVinyl CrownMedicineChemical ContaminantChromatography