Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 887, Issue 1-2, Pages 379-391Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(00)00427-1
Keywords
electrochromatography; monolithic columns; steroids
Funding
- NIGMS NIH HHS [GM24349] Funding Source: Medline
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Macroporous, monolithic capillary electrochromatography (CEC) columns, featuring a hydrophobic stationary phase, have been applied to the separations of steroids with good column efficiency. Using isocratic and gradient elution runs, mixtures of neutral or conjugated steroids could be resolved. While dansylated ketosteroids were detectable through laser-induced fluorescence at attomole levels, the CEC columns coupled to electrospray-ion-trap mass spectrometry featured femtomole detection limits. (C) 2000 Elsevier Science B.V. All rights reserved.
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