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

Engineering, Direct Analysis, Chemistry +21

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

Sample Pretreatment, Gas Chromatography, Bioanalysis +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

Biochemistry, Routine Use, Medicine +11

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

Engineering, Biochemistry, Bioanalysis +11

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

Combinatorial Chemistry, Engineering, Unknown Molecular Weight +18