William J. Leavens

The use of turbulent flow chromatography/mass spectrometry for the rapid, direct analysis of a novel pharmaceutical compound in plasma

John Ayrton, Gordon J. Dear, William J. Leavens et al. · Rapid Communications in Mass Spectrometry · 1997 · 166 citations

Pharmacy, Chemistry, Pharmaceutical Analysis +17

Application of a generic fast gradient liquid chromatography tandem mass spectrometry method for the analysis of cytochrome P450 probe substrates

John Ayrton, Robert S. Plumb, William J. Leavens et al. · Rapid Communications in Mass Spectrometry · 1998 · 104 citations

Medicine, Pharmacokinetics, Pharmacology +17

Optimisation and routine use of generic ultra-high flow-rate liquid chromatography with mass spectrometric detection for the direct on-line analysis of pharmaceuticals in plasma

John Ayrton, Gordon J. Dear, William J. Leavens et al. · Journal of Chromatography A · 1998 · 80 citations

Pharmacy, Chemistry, Pharmaceutical Analysis +17

Use of generic fast gradient liquid chromatography–tandem mass spectroscopy in quantitative bioanalysis

John Ayrton, Gordon J. Dear, William J. Leavens et al. · Journal of Chromatography B Biomedical Sciences and Applications · 1998 · 71 citations

Natural Sciences, Biochemistry, Chemistry +12

Derivatization for liquid chromatography/electrospray mass spectrometry: synthesis of tris(trimethoxyphenyl)phosphonium compounds and their derivatives of amine and carboxylic acids

William J. Leavens, S. J. Lane, Richard M. Carr et al. · Rapid Communications in Mass Spectrometry · 2002 · 62 citations

Natural Sciences, Chemistry, Analytical Chemistry +14