On-line coupling of solid-phase extraction and capillary electrophoresis for the determination of cefoperazone and ceftiofur in plasma

We present a method for determining two cephalosporins (cefoperazone and ceftiofur) in plasma by on-line solid-phase extraction (SPE)—capillary zone electrophoresis (CZE) with a T-split interface. Using this interface, a part of the SPE elution plug containing the cephalosporins is injected while th...

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Veröffentlicht in:	Journal of chromatography. B, Analytical technologies in the biomedical and life sciences Analytical technologies in the biomedical and life sciences, 2007-09, Vol.856 (1), p.365-370
Hauptverfasser:	Puig, Patricia, Tempels, F.W. Alexander, Borrull, Francesc, Calull, Marta, Aguilar, Carme, Somsen, Govert W., de Jong, Gerhardus J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Analytical, structural and metabolic biochemistry Animals Anti-Bacterial Agents - blood Biological and medical sciences Capillary electrophoresis Cattle Cefoperazone - blood Cephalosporins Cephalosporins - blood Electrophoresis, Capillary - methods Fundamental and applied biological sciences. Psychology General pharmacology Humans Medical sciences On-line Pharmacology. Drug treatments Plasma samples Reproducibility of Results Solid-phase extraction Spectrophotometry, Ultraviolet
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