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Updated: Aug 15, 2026

Sheathless Capillary Electrophoresis–Mass Spectrometry for Metabolic Profiling of Biological Samples
Published on: October 1, 2016
Pharmaceutical analysis using micellar electrokinetic capillary chromatography
D F Swaile1, D E Burton, A T Balchunas
1Department of Chemistry, University of Tennessee, Knoxville 37996-1600.
Abstract:
The potential utility in pharmaceutical analysis of a capillary electrokinetic separation technique that employs a micellar "pseudo-stationary phase" is discussed and illustrated. Chromatograms of separations of vitamin metabolites and derivatized amino acids are presented to illustrate the high efficiency of the technique and the ability to simultaneously separate the charged and neutral components of pharmaceutical samples. The analytical characteristics of the technique and the importance of optimizing experimental parameters, such as surfactant concentration and capillary column diameter, are discussed and demonstrated with the aid of chromatograms.
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