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On-line sample preconcentration by sweeping and poly(ethylene oxide)-mediated stacking for simultaneous analysis of nine pairs of amino acid enantiomers in capillary electrophoresis

EngineeringCapillary ElectrophoresisBiochemistryMedicineAmino Acid EnantiomersMass SpectrometryEthylene OxideAnalytical ChemistryLiquid ChromatographyChromatographyOn-line Sample PreconcentrationChromatographic AnalysisIsotachophoresisBiomolecular EngineeringDrug Analysis