Author

Kathryn Maden

Observed names: K. Maden, Maden, Kathryn

Observed institution: Kanton Zürich

ORCID: 0000-0001-5917-7810

Observed ORCID: 0000-0001-5917-7810

OpenAlex ID: A5019964514

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

2008 · Anton Kaufmann, Patrick Butcher, et al. · Journal of Chromatography A · 193

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?”

2010 · A. Kaufmann, P. Butcher, et al. · Analytica Chimica Acta · 188

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

2006 · Anton Kaufmann, Patrick Butcher, et al. · Analytica Chimica Acta · 137

Quantitative and confirmative performance of liquid chromatography coupled to high‐resolution mass spectrometry compared to tandem mass spectrometry

2011 · Anton Kaufmann, Patrick Butcher, et al. · Rapid Communications in Mass Spectrometry · 100

Are liquid chromatography/electrospray tandem quadrupole fragmentation ratios unequivocal confirmation criteria?

2009 · Anton Kaufmann, Patrick Butcher, et al. · Rapid Communications in Mass Spectrometry · 86

Quantification of anthelmintic drug residues in milk and muscle tissues by liquid chromatography coupled to Orbitrap and liquid chromatography coupled to tandem mass spectrometry

2011 · A. Kaufmann, P. Butcher, et al. · Talanta · 71

Determination of 11 Aminoglycosides in Meat and Liver by Liquid Chromatography with Tandem Mass Spectrometry

2005 · Anton Kaufmann, Kathryn Maden · Journal of AOAC International · 64

Multi-residue quantification of veterinary drugs in milk with a novel extraction and cleanup technique: Salting out supported liquid extraction (SOSLE)

2014 · A. Kaufmann, P. Butcher, et al. · Analytica Chimica Acta · 61

Post‐interface signal suppression, a phenomenon observed in a single‐stage Orbitrap mass spectrometer coupled to an electrospray interfaced liquid chromatograph

2010 · A. Kaufmann, M. Widmer, et al. · Rapid Communications in Mass Spectrometry · 58

Semi-targeted residue screening in complex matrices with liquid chromatography coupled to high resolution mass spectrometry: current possibilities and limitations

2011 · Anton Kaufmann, Patrick Butcher, et al. · The Analyst · 52

Simplifying Nontargeted Analysis of PFAS in Complex Food Matrixes

2022 · Anton Kaufmann, Patrick Butcher, et al. · Journal of AOAC International · 43

Study of High-Resolution Mass Spectrometry Technology as a Replacement for Tandem Mass Spectrometry in the Field of Quantitative Pesticide Residue Analysis

2012 · Anton Kaufmann, Veronika Dvorak, et al. · Journal of AOAC International · 42

Easy and Fast Method for the Determination of Biogenic Amines in Fish and Fish Products with Liquid Chromatography Coupled to Orbitrap Tandem Mass Spectrometry

2017 · Anton Kaufmann, Kathryn Maden · Journal of AOAC International · 30

Improving the QuEChERS Liquid/Liquid Extraction of Analytes With Widely Varying Physicochemical Properties: Example of 201 Veterinary Drugs in Milk

2022 · Anton Kaufmann, Patrick Butcher, et al. · Journal of AOAC International · 27

Using In Silico Fragmentation to Improve Routine Residue Screening in Complex Matrices

2017 · Anton Kaufmann, Patrick Butcher, et al. · Journal of the American Society for Mass Spectrometry · 27

Analysis of polyphosphates in fish and shrimps tissues by two different ion chromatography methods: Implications on false-negative and -positive findings

2005 · A. Kaufmann, K. Maden, et al. · Food Additives & Contaminants · 27

Analysis of a variety of inorganic and organic additives in food products by ion-pairing liquid chromatography coupled to high-resolution mass spectrometry

2018 · Anton Kaufmann, Mirjam Widmer, et al. · Analytical and Bioanalytical Chemistry · 18

Assessment and validation of the p-QuEChERS sample preparation methodology for the analysis of >200 veterinary drugs in various animal-based food matrices

2023 · Anton Kaufmann, Patrick Butcher, et al. · Food Additives & Contaminants Part A · 17

Improved method robustness and ruggedness in liquid chromatography–mass spectrometry by increasing the acid content of the mobile phase

2024 · Anton Kaufmann, Patrick Butcher, et al. · Journal of Chromatography A · 12

High resolution mass spectrometry-based detection and quantification of β-agonists at relevant trace levels in a variety of animal-based food matrices

2021 · Anton Kaufmann, Mirjam Widmer, et al. · Food Additives & Contaminants Part A · 12

Determination of Corticosteroids, Anabolic Steroids, and Basic Nonsteroidal Anti-Inflammatory Drugs in Milk and Animal Tissues

2014 · Anton Kaufmann, Patrick Butcher, et al. · Journal of AOAC International · 12

Signal suppression can bias selected reaction monitoring ratios. Implications for the confirmation of positive findings in residue testing

2014 · Anton Kaufmann, Miryam Widmer, et al. · Rapid Communications in Mass Spectrometry · 9

LC-MS-MS method for determining nifursol and other nitrofuran residues in meat

2004 · Kaufmann, Anton, Butcher, Patrick, et al. · E-Periodica · 4

Partially overlapping sequential window acquisition of all theoretical mass spectra: A methodology to improve the spectra quality of veterinary drugs present at low concentrations in highly complex biological matrices

2019 · Anton Kaufmann, Kathryn Maden, et al. · Rapid Communications in Mass Spectrometry · 3

Optimized multimatrix calibration concept for liquid chromatography mass spectrometry-based bioanalysis methods

2020 · A. Kaufmann, P. Butcher, et al. · Journal of Chromatography B · 2

Works count: 27

Citation count: 1,295

H-index: 17

I10-index: 21