Semi-automated liquid–liquid back-extraction in a 96-well format to decrease sample preparation time for the determination of dextromethorphan and dextrorphan in human plasma

Liquid−Liquid Extraction in the 96-Well Plate Format with SRM LC/MS Quantitative Determination of Methotrexate and Its Major Metabolite in Human Plasma

Simon T. Steinborner, Jack D. Henion · Analytical Chemistry · 1999 · 132 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +17

High-Throughput Bioanalytical LC/MS/MS Determination of Benzodiazepines in Human Urine:  1000 Samples per 12 Hours

Jerry Zweigenbaum, Katja Heinig, Simon T. Steinborner et al. · Analytical Chemistry · 1999 · 122 citations

Natural Sciences, Chemistry, Pharmacology +17

The Use of Automated Solid Phase Extraction in the '96 well' Format for High Throughput Bioanalysis using Liquid Chromatography Coupled to Tandem Mass Spectrometry

John P. Allanson, Robert Biddlecombe, Anne E. Jones et al. · Rapid Communications in Mass Spectrometry · 1996 · 116 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +17

Rapid, Solid Phase Extraction Technique for the High-Throughput Assay of Darifenacin in Human Plasma

Barry Kaye, William J. Herron, P. V. Macrae et al. · Analytical Chemistry · 1996 · 98 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +13

Automated sample preparation using membrane microtiter extraction for bioanalytical mass spectrometry

John Janiszewski, Richard Schneider, Keith Hoffmaster et al. · Rapid Communications in Mass Spectrometry · 1997 · 87 citations

Pharmacy, Chemistry, Pharmaceutical Analysis +17