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Magnetic solid-phase extraction of four β-lactams using polypyrrole-coated magnetic nanoparticles from water samples by micellar electrokinetic capillary chromatography analysis

NanoparticlesSolvent ExtractionNanoparticle CharacterizationChemical EngineeringEngineeringWater SamplesPolypyrrole-coated Magnetic NanoparticlesPolymer-based MagnetMagnetic Solid-phase ExtractionAnalytical ChemistryChemistryChromatography