Martien L. Essers

Multiresidue analysis of beta-agonists in bovine and porcine urine, feed and hair using liquid chromatography electrospray ionisation tandem mass spectrometry

Michel W. F. Nielen, J.J.P. Lasaroms, Martien L. Essers et al. · Analytical and Bioanalytical Chemistry · 2008 · 113 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +16

Metabolomics Approach to Anabolic Steroid Urine Profiling of Bovines Treated with Prohormones

Jeroen C.W. Rijk, Arjen Lommen, Martien L. Essers et al. · Analytical Chemistry · 2009 · 70 citations

Life Sciences, Biochemistry, Mass Spectrometric Analysis +16

Assessment of two complementary liquid chromatography coupled to high resolution mass spectrometry metabolomics strategies for the screening of anabolic steroid treatment in calves

Gaud Dervilly, Stefan Weigel, Arjen Lommen et al. · Analytica Chimica Acta · 2011 · 64 citations

Life Sciences, Animal Sciences, Biochemistry +14

Quantitative trace analysis of a broad range of antiviral drugs in poultry muscle using column-switch liquid chromatography coupled to tandem mass spectrometry

B.J.A. Berendsen, Robin S. Wegh, Martien L. Essers et al. · Analytical and Bioanalytical Chemistry · 2011 · 59 citations · Full text

Pharmacy, Pharmaceutical Analysis, Poultry Science +14

Identification of an unknown <i>β</i> ‐agonist in feed by liquid chromatography/bioassay/quadrupole time‐of‐flight tandem mass spectrometry with accurate mass measurement

Michel W. F. Nielen, Christopher T. Elliott, Scott Boyd et al. · Rapid Communications in Mass Spectrometry · 2003 · 47 citations

Life Sciences, Biochemistry, Pharmacology +17