Patrick Butcher

Quantitative multiresidue method for about 100 veterinary drugs in different meat matrices by sub 2-μm particulate high-performance liquid chromatography coupled to time of flight mass spectrometry

Anton Kaufmann, Patrick Butcher, Kathryn Maden et al. · Journal of Chromatography A · 2008 · 187 citations

Flight Mass Spectrometry, Quantitative Multiresidue Method, Gas Chromatography +11

Comprehensive comparison of liquid chromatography selectivity as provided by two types of liquid chromatography detectors (high resolution mass spectrometry and tandem mass spectrometry): “Where is the crossover point?”

Anton Kaufmann, Patrick Butcher, Kathryn Maden et al. · Analytica Chimica Acta · 2010 · 184 citations

Medicine, Mass Spectrometry, Liquid Chromatography Selectivity +9

Development of an improved high resolution mass spectrometry based multi-residue method for veterinary drugs in various food matrices

Anton Kaufmann, Patrick Butcher, K. Maden et al. · Analytica Chimica Acta · 2010 · 144 citations

Food Forensics, Biochemistry, Gas Chromatography +11

Ultra-performance liquid chromatography coupled to time of flight mass spectrometry (UPLC–TOF): A novel tool for multiresidue screening of veterinary drugs in urine

Anton Kaufmann, Patrick Butcher, Kathryn Maden et al. · Analytica Chimica Acta · 2006 · 138 citations

Flight Mass Spectrometry, Ultra-performance Liquid Chromatography, Gas Chromatography +11

Determination of aminoglycoside residues by liquid chromatography and tandem mass spectrometry in a variety of matrices

Anton Kaufmann, Patrick Butcher, K. Maden · Analytica Chimica Acta · 2011 · 116 citations

Biochemistry, Gas Chromatography, Medicine +9