ON-LINE PRECONCENTRATION IN CAPILLARY ELECTROSEPARATIONS USING SEGMENTED CAPILLARIES

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ON-LINE PRECONCENTRATION IN CAPILLARY ELECTROSEPARATIONS USING SEGMENTED CAPILLARIES. This project aims to develop new on-line methods for trace enrichment of analytes in capillary electrophoresis and capillary electrochromatography. The capillaries to be used will comprise a preconcentration zone and a separation zone with the research focusing predominantly on the chemistry of the preconcentration zone. Preconcentrators formed from wall-coatings and solid stationary phases will be used. The project will result in new, highly sensitive analytical methods for inorganic ions, low molecular weight acids and bases, and proteins and peptides. These methods will have application in a wide range of important areas including environmental analysis and biotechnology.