Edmund O’Kane

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

Stephen McClean, Edmund O’Kane, J. Hillis et al. · Journal of Chromatography A · 1999 · 72 citations

Capillary Electrophoresis, Gas Chromatography, Medicine +12

Electrospray ionisation–mass spectrometric characterisation of selected anti-psychotic drugs and their detection and determination in human hair samples by liquid chromatography–tandem mass spectrometry

Stephen McClean, Edmund O’Kane, W.F. Smyth · Journal of Chromatography B Biomedical Sciences and Applications · 2000 · 53 citations

Psychiatry, Gas Chromatography, Medicine +9

The characterisation of selected antidepressant drugs using electrospray ionisation with ion trap mass spectrometry and with quadrupole time‐of‐flight mass spectrometry and their determination by high‐performance liquid chromatography/electrospray ionisation tandem mass spectrometry

W.F. Smyth, Julian C. Leslie, Stephen McClean et al. · Rapid Communications in Mass Spectrometry · 2006 · 50 citations

The identification and determination of selected 1,4-benzodiazepines by an optimised capillary electrophoresis - electrospray mass spectrometric method

Stephen McClean, Edmund O’Kane, W.F. Smyth · Electrophoresis · 2000 · 47 citations

Optimised Capillary Electrophoresis, Capillary Tip Positioning, Chemistry +19

The characterisation of selected drugs with amine-containing side chains using electrospray ionisation and ion trap mass spectrometry and their determination by HPLC–ESI-MS

Clare Joyce, W.F. Smyth, Venkataraman N. Ramachandran et al. · Journal of Pharmaceutical and Biomedical Analysis · 2004 · 45 citations

Pharmaceutical Science, Biochemistry, Gas Chromatography +14