Determination of 1,4-benzodiazepines and their metabolites by capillary electrophoresis and high-performance liquid chromatography using ultraviolet and electrospray ionisation mass spectrometry

1999 ◽  
Vol 838 (1-2) ◽  
pp. 273-291 ◽  
Author(s):  
S McClean ◽  
E O’Kane ◽  
J Hillis ◽  
W.F Smyth
Keyword(s):  
Mass Spectrometry ◽  
High Performance Liquid Chromatography ◽  
Capillary Electrophoresis ◽  
Liquid Chromatography ◽  
High Performance ◽  
Electrospray Ionisation ◽  
Electrospray Ionisation Mass Spectrometry ◽  
Ionisation Mass Spectrometry ◽  
Ionisation Mass

Measurement of 4-Hydroxy-2,2,6,6-Tetramethyl-Piperidine-N-Oxyl by high Performance Liquid Chromatography–Electrospray Ionisation Mass Spectrometry

2002 ◽  
Vol 2002 (11) ◽  
pp. 574-575 ◽  
Author(s):  
Ian D. Podmore
Keyword(s):  
Mass Spectrometry ◽  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
High Sensitivity ◽  
Electrospray Ionisation ◽  
Electrospray Ionisation Mass Spectrometry ◽  
Ionisation Mass Spectrometry ◽  
Ionisation Mass ◽  
Stable Nitroxide

Reverse phase high performance liquid chromatography coupled to electrospray ionisation mass spectrometry and tandem mass spectrometry has allowed quantitative measurement of a stable nitroxide, 4-hydroxy-2,2,6,6-tetramethyl-piperidine-N-oxyl (4-hydroxy-tempo), the latter with high sensitivity.

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