Works by Kaufmann, Anton

Results: 32

Untitled.

Published in:

European Food Research & Technology, 2001, v. 213, n. 4/5, p. 377, doi. 10.1007/s002170100372

By:

Kaufmann, Anton;
Ryser, Bianca;
Suter, Bea

Publication type:

Article

Untitled.

Published in:

European Food Research & Technology, 2001, v. 213, n. 4/5, p. 372, doi. 10.1007/s002170100373

By:

Kaufmann, Anton;
Ryser, Bianca;
Suter, Bea

Publication type:

Article

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

Published in:

Food Additives & Contaminants. Part A: Chemistry, Analysis, Control, Exposure & Risk Assessment, 2023, v. 40, n. 3, p. 356, doi. 10.1080/19440049.2023.2171142

By:

Kaufmann, Anton;
Butcher, Patrick;
Maden, Kathryn;
Walker, Stephan;
Widmer, Mirjam

Publication type:

Article

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

Published in:

Food Additives & Contaminants. Part A: Chemistry, Analysis, Control, Exposure & Risk Assessment, 2021, v. 38, n. 8, p. 1350, doi. 10.1080/19440049.2021.1922759

By:

Kaufmann, Anton;
Widmer, Mirjam;
Maden, Kathryn;
Butcher, Patrick;
Walker, Stephan

Publication type:

Article

High throughput-screening of animal urine samples: It is fast but is it also reliable?

Published in:

Drug Testing & Analysis, 2016, v. 8, n. 5/6, p. 491, doi. 10.1002/dta.2022

By:

Kaufmann, Anton

Publication type:

Article

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.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2020, v. 34, n. 7, p. 1, doi. 10.1002/rcm.8638

By:

Kaufmann, Anton;
Maden, Kathryn;
Walker, Stephan

Publication type:

Article

Coalescence and self-bunching observed in commercial high-resolution mass spectrometry instrumentation.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2018, v. 32, n. 6, p. 503, doi. 10.1002/rcm.8054

By:

Kaufmann, Anton;
Walker, Stephan

Publication type:

Article

Comparison of linear intrascan and interscan dynamic ranges of Orbitrap and ion-mobility time-of-flight mass spectrometers.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2017, v. 31, n. 22, p. 1915, doi. 10.1002/rcm.7981

By:

Kaufmann, Anton;
Walker, Stephan

Publication type:

Article

Practical application of in silico fragmentation based residue screening with ion mobility high-resolution mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2017, v. 31, n. 13, p. 1147, doi. 10.1002/rcm.7890

By:

Kaufmann, Anton;
Butcher, Patrick;
Maden, Kathry;
Walker, Stephan;
Widme, Mirjam

Publication type:

Article

Improved performance of multiplexed targeted tandem mass spectrometry scans using customized Q Orbitrap data acquisition.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2016, v. 30, n. 9, p. 1131, doi. 10.1002/rcm.7532

By:

Kaufmann, Anton;
Walker, Stephan

Publication type:

Article

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

Published in:

Analytical & Bioanalytical Chemistry, 2018, v. 410, n. 22, p. 5629, doi. 10.1007/s00216-018-0904-2

By:

Kaufmann, Anton;
Widmer, Mirjam;
Maden, Kathryn;
Butcher, Patrick;
Walker, Stephan

Publication type:

Article

Nested data independent MS/MS acquisition.

Published in:

Analytical & Bioanalytical Chemistry, 2016, v. 408, n. 18, p. 5031, doi. 10.1007/s00216-016-9607-8

By:

Kaufmann, Anton;
Walker, Stephan

Publication type:

Article

The current role of high-resolution mass spectrometry in food analysis.

Published in:

Analytical & Bioanalytical Chemistry, 2012, v. 403, n. 5, p. 1233, doi. 10.1007/s00216-011-5629-4

By:

Kaufmann, Anton

Publication type:

Article

High‐resolution mass spectrometry for bioanalytical applications: Is this the new gold standard?

Published in:

Journal of Mass Spectrometry, 2020, v. 55, n. 9, p. ii, doi. 10.1002/jms.4533

By:

Kaufmann, Anton

Publication type:

Article

High-resolution mass spectrometry for bioanalytical applications: Is this the new gold standard?

Published in:

Journal of Mass Spectrometry, 2020, v. 55, n. 9, p. 1, doi. 10.1002/jms.4412

By:

Kaufmann, Anton

Publication type:

Article

Simplifying Nontargeted Analysis of PFAS in Complex Food Matrixes.

Published in:

Journal of AOAC International, 2022, v. 105, n. 5, p. 1280, doi. 10.1093/jaoacint/qsac071

By:

Kaufmann, Anton;
Butcher, Patrick;
Maden, Kathryn;
Walker, Stephan;
Widmer, Mirjam

Publication type:

Article

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

Published in:

Journal of AOAC International, 2022, v. 105, n. 4, p. 1030, doi. 10.1093/jaoacint/qsac013

By:

Kaufmann, Anton;
Butcher, Patrick;
Maden, Kathryn;
Walker, Stephan;
Widmer, Mirjam

Publication type:

Article

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

Published in:

Journal of AOAC International, 2018, v. 101, n. 2, p. 336, doi. 10.5740/jaoacint.17-0407

By:

KAUFMANN, ANTON;
MADEN, KATHRYN

Publication type:

Article

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

Published in:

Journal of AOAC International, 2014, v. 97, n. 1, p. 263, doi. 10.5740/jaoacint.13-067

By:

KAUFMANN, ANTON;
BUTCHER, PATRICK;
MADEN, KATHRYN;
WALKER, STEPHAN;
WIDMER, MIRJAM

Publication type:

Article

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

Published in:

Journal of AOAC International, 2012, v. 95, n. 2, p. 528, doi. 10.5740/jaoacint.11-074

By:

Kaufmann, Anton;
Dvorak, Veronika;
Crüzer, Claudio;
Butcher, Patrick;
Maden, Kathryn;
Walker, Stephan;
Widmer, Mirjam;
Schürmann, Andreas

Publication type:

Article

Multiresidue analysis of tranquilizers and the beta-blocker Carazolol in meat by liquid chromatography/tandem mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2001, v. 15, n. 18, p. 1747, doi. 10.1002/rcm.393

By:

Kaufmann, Anton;
Ryser, Bianca

Publication type:

Article

Evolutionarily unique mechanistic framework of clathrin-mediated endocytosis in plants.

Published in:

eLife, 2020, p. 1, doi. 10.7554/eLife.52067

By:

Narasimhan, Madhumitha;
Johnson, Alexander;
Prizak, Roshan;
Kaufmann, Walter Anton;
Shutang Tan;
Casillas-Pérez, Barbara;
Friml, Jiří

Publication type:

Article

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

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2014, v. 28, n. 8, p. 899, doi. 10.1002/rcm.6862

By:

Kaufmann, Anton;
Widmer, Miryam;
Maden, Kathryn

Publication type:

Article

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

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2011, v. 25, n. 7, p. 979, doi. 10.1002/rcm.4952

By:

Kaufmann, Anton;
Butcher, Patrick;
Maden, Kathryn;
Walker, Stephan;
Widmer, Miryam

Publication type:

Article

Strategy for the elucidation of elemental compositions of trace analytes based on a mass resolution of 100 000 full width at half maximum.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2010, v. 24, n. 14, p. 2035, doi. 10.1002/rcm.4612

By:

Kaufmann, Anton

Publication type:

Article

False-positive liquid chromatography/tandem mass spectrometric confirmation of sebuthylazine residues using the identification points system according to EU directive 2002/657/EC due to a biogenic insecticide in tarragon.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2009, v. 23, n. 8, p. 1196, doi. 10.1002/rcm.3982

By:

Schürmann, Andreas;
Dvorak, Veronika;
Crüzer, Claudio;
Butcher, Patrick;
Kaufmann, Anton

Publication type:

Article

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

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2009, v. 23, n. 7, p. 985, doi. 10.1002/rcm.3959

By:

Kaufmann, Anton;
Butcher, Patrick;
Maden, Kathryn;
Widmer, Mirjam;
Giles, Kevin;
Uría, Diana

Publication type:

Article

Determination of the elemental composition of trace analytes in complex matrices using exact masses of product ions and corresponding neutral losses.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2007, v. 21, n. 13, p. 2003, doi. 10.1002/rcm.3035

By:

Kaufmann, Anton

Publication type:

Article

Strategies to avoid false negative findings in residue analysis using liquid chromatography coupled to time-of-flight mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2006, v. 20, n. 23, p. 3566, doi. 10.1002/rcm.2762

By:

Kaufmann, Anton;
Butcher, Patrick

Publication type:

Article

Quantitative liquid chromatography/tandem mass spectrometry determination of chloramphenicol residues in food using sub-2 µm particulate high-performance liquid chromatography columns for sensitivity and speed.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2005, v. 19, n. 24, p. 3694, doi. 10.1002/rcm.2240

By:

Kaufmann, Anton;
Butcher, Patrick

Publication type:

Article

Segmented post-column analyte addition; a concept for continuous response control of liquid chromatography/mass spectrometry peaks affected by signal suppression/enhancement.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2005, v. 19, n. 5, p. 611, doi. 10.1002/rcm.1832

By:

Kaufmann, Anton;
Butcher, Patrick

Publication type:

Article

Trace level quantification of streptomycin in honey with liquid chromatography/tandem mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2003, v. 17, n. 22, p. 2575, doi. 10.1002/rcm.1237

By:

Anton Kaufmann;
Patrick Butcher;
Pius Kölbener

Publication type:

Article