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D. Courtheyn · SciRah

Researcher profile · Semantic Scholar

D. Courtheyn

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D. Courtheyn — researcher profile on SciRah

h-index: 22
Works: 73
Citations: 1,453

Most-cited papers

Recent developments in the use and abuse of growth promoters
D. Courtheyn, B. Le Bizec, G. Brambilla, H. D. De Brabander +4 more
2002247 citations
Semantic Scholar
Presence and metabolism of the anabolic steroid boldenone in various animal species: a review
H. D. De Brabander, S. Poelmans, R. Schilt, R. Stephany +8 more
2004Food Additives and Contaminants102 citations
Semantic Scholar
Past, present and future of mass spectrometry in the analysis of residues of banned substances in meat-producing animals.
H. D. De Brabander, B. Le Bizec, Gaud Pinel, J. Antignac +4 more
2007Journal of Mass Spectrometry85 citations Open access
Semantic Scholar
Trends in the identification of organic residues and contaminants: EC regulations under revision
F. André, K. D. De Wasch, H. D. De Brabander, S. Impens +12 more
200176 citations
Semantic Scholar
Determination of mercaptobenzimidazol and other thyreostat residues in thyroid tissue and meat using high-performance liquid chromatography-mass spectrometry.
K. De Wasch, H. F. Be Brabander, S. Impens, M. Vandewiele +1 more
2001Journal of Chromatography A68 citations
Semantic Scholar
Multi-residue liquid chromatography/tandem mass spectrometric analysis of beta-agonists in urine using molecular imprinted polymers.
N. Van Hoof, D. Courtheyn, J. Antignac, M. Van de Wiele +3 more
2005Rapid Communications in Mass Spectrometry53 citations
Semantic Scholar
LC-MS-MS to detect and identify four beta-agonists and quantify clenbuterol in liver.
K. D. De Wasch, H. D. De Brabander, D. Courtheyn
1998In Analysis52 citations
Semantic Scholar
Identification of an unknown beta-agonist in feed by liquid chromatography/bioassay/quadrupole time-of-flight tandem mass spectrometry with accurate mass measurement.
M. Nielen, C. Elliott, S. Boyd, D. Courtheyn +4 more
2003Rapid Communications in Mass Spectrometry46 citations Open access
Semantic Scholar
Detection of corticosteroids in injection sites and cocktails by MSn.
K. D. De Wasch, H. D. De Brabander, D. Courtheyn, C. V. van Peteghem
1998In Analysis46 citations
Semantic Scholar
Analytical possibilities for the detection of stanozolol and its metabolites
S. Poelmans, K. D. De Wasch, H. D. De Brabander, M. Van de Wiele +14 more
200241 citations Open access
Semantic Scholar
Determination of betamethasone and triamcinolone acetonide by GC-NCI-MS in excreta of treated animals and development of a fast oxidation procedure for derivatisation of corticosteroids.
D. Courtheyn, J. Vercammen, Maureen Logghe, Hilde Seghers +2 more
1998In Analysis41 citations
Semantic Scholar
Multi-analyte approach for the determination of ng L(-1) levels of steroid hormones in unidentified aqueous samples.
H. Noppe, K. Verheyden, W. Gillis, D. Courtheyn +2 more
2007Analytica Chimica Acta40 citations
Semantic Scholar
Differentiation between dexamethasone and betamethasone in a mixture using multiple mass spectrometry.
K. De Wasch, H. D. De Brabander, M. Van de Wiele, J. Vercammen +2 more
2001Journal of Chromatography A38 citations
Semantic Scholar
Application of gas chromatography-mass spectrometry/combustion/isotope ratio mass spectrometry (GC-MS/C/IRMS) to detect the abuse of 17β-estradiol in cattle.
G. Janssens, Sven Mangelinckx, D. Courtheyn, S. Prévost +3 more
2013Journal of Agricultural and Food Chemistry35 citations
Semantic Scholar
Faster analysis of anabolic steroids in kidney fat by downscaling the sample size and using gas chromatography-tandem mass spectrometry
S. Impens, D. Courtheyn, K. D. De Wasch, H. D. De Brabander
200332 citations
Semantic Scholar
Multi-laboratory study of the analysis and kinetics of stanozolol and its metabolites in treated calves.
H. D. de Brabander, K. De Wasch, L. Van Ginkel, S. Sterk +12 more
1998In Analysis32 citations Open access
Semantic Scholar
Determination of 16beta-hydroxystanozolol in urine and faeces by liquid chromatography-multiple mass spectrometry.
M. Van de Wiele, K. D. De Wasch, J. Vercammen, D. Courtheyn +2 more
2000Journal of Chromatography A30 citations
Semantic Scholar
Use of isotope ratio mass spectrometry to differentiate between endogenous steroids and synthetic homologues in cattle: a review.
G. Janssens, D. Courtheyn, Sven Mangelinckx, S. Prévost +5 more
2013Analytica Chimica Acta27 citations Open access
Semantic Scholar
Simultaneous Detection of Androgen and Estrogen Abuse in Breeding Animals by Gas Chromatography-Mass Spectrometry/Combustion/Isotope Ratio Mass Spectrometry (GC-MS/C/IRMS) Evaluated against Alternative Methods.
G. Janssens, Sven Mangelinckx, D. Courtheyn, N. De Kimpe +2 more
2015Journal of Agricultural and Food Chemistry26 citations Open access
Semantic Scholar
Detection of zilpaterol (Zilmax®) in calf urine and faeces with liquid chromatography–tandem mass spectrometry
N. Van Hoof, R. Schilt, E. van der Vlis, P. Boshuis +7 more
200525 citations
Semantic Scholar
Acid catalyzed ring closure reactions of electrophilic alkenes
R. Verhé, N. De Kimpe, D. Courtheyn, L. D. De Buyck +1 more
198223 citations
Semantic Scholar
Comparison of the possibilities of gas chromatography-mass spectrometry and tandem mass spectrometry systems for the analysis of anabolics in biological material.
H. D. De Brabander, P. Batjoens, D. Courtheyn, J. Vercammen +1 more
1996Journal of Chromatography A22 citations
Semantic Scholar
Clenbuterol residue analysis by HPLC-HPTLC in urine and animal tissues
J. Degroodt, B. W. Bukanski, H. Beernaert, D. Courtheyn
1989Zeitschrift fur Lebensmittel-Untersuchung und -Forschung22 citations
Semantic Scholar
Phytosterols and anabolic agents versus designer drugs.
H. D. De Brabander, K. Verheyden, V. Mortier, B. Le Bizec +3 more
2007Analytica Chimica Acta18 citations
Semantic Scholar
2,2-dichloroaldehydes from aldehydes and alcohols by chlorination in dimethylformamide
L. D. De Buyck, R. Verhé, N. De Kimpe, D. Courtheyn +1 more
198017 citations
Semantic Scholar
Elimination kinetics of dexamethasone in bovine urine, hair and feces following single administration of dexamethasone acetate and phosphate esters.
L. Vanhaecke, J. Antignac, D. Courtheyn, B. Le Bizec +1 more
2011Steroids16 citations
Semantic Scholar
Mass spectrometric detection of and similarities between 1-androgens.
K. Verheyden, B. Le Bizec, D. Courtheyn, V. Mortier +5 more
2007Analytica Chimica Acta15 citations
Semantic Scholar
QUALITATIVE OR QUANTITATIVE METHODS FOR RESIDUE ANALYSIS
H. D. De Brabander, P. Batjoens, K. D. De Wasch, D. Courtheyn +2 more
199712 citations
Semantic Scholar
Multi‐residue enzyme immunoassays for screening for β‐agonists in faeces and feeds
D. Courtheyn, Veronique Bakeroot, Frans De Volder, J. Vercammen
199412 citations
Semantic Scholar
Synthesis of electrophilic allyl dichlorides
D. Courtheyn, R. Verhé, N. De Kimpe, L. D. De Buyck +1 more
198112 citations
Semantic Scholar
Androstadienetrione, a boldenone-like component, detected in cattle faeces with GC-MSn and LC-MSn
S. Poelmans, K. D. De Wasch, H. Noppe, N. Van Hoof +6 more
2005Food Additives and Contaminants10 citations
Semantic Scholar
Identification of "unknown analytes" in injection sites: a semi-quantitative interpretation
K. D. De Wasch, N. Van Hoof, S. Poelmans, L. Okerman +4 more
200310 citations
Semantic Scholar
Comparison of purification procedures for the isolation and detection of anabolic residues in faeces using gas chromatography-mass spectrometry.
T. Hamoir, G. Pottie, D. Courtheyn, H. D. De Brabander +2 more
1998In Analysis10 citations
Semantic Scholar
Preparation of 2,2-Dialkylcyclopropanes Geminally Substituted with Electron-Withdrawing Groups
R. Verhé, N. De Kimpe, L. D. De Buyck, D. Courtheyn +1 more
197810 citations
Semantic Scholar
Nucleophilic Substitution Reactions of Brominated Dimethyl Alkylidene Malonates
R. Verhé, N. De Kimpe, L. D. De Buyck, D. Courtheyn +1 more
20109 citations
Semantic Scholar
Residues in Meat and Meat Products, Feed and drug residues
S. Croubels, E. Daeseleire, S. De Baere, P. de Backer +1 more
20049 citations
Semantic Scholar
Alternative Syntheses of 3,3,5-Trimethyl-1,2,4-Cyclopentanetrione
L. D. De Buyck, R. Verhé, N. De Kimpe, D. Courtheyn +1 more
19818 citations
Semantic Scholar
The use of gas chromatography-mass spectrometry/combustion/isotope ratio mass spectrometry to demonstrate progesterone treatment in bovines.
G. Janssens, Sven Mangelinckx, D. Courtheyn, N. De Kimpe +2 more
2016Journal of Chromatography A7 citations
Semantic Scholar
New anabolic steroid illegally used in cattle-structure elucidation of 19-norchlorotestosterone acetate metabolites in bovine urine.
B. Le Bizec, N. Van Hoof, D. Courtheyn, I. Gaudin +4 more
2006Journal of Steroid Biochemistry and Molecular Biology7 citations
Semantic Scholar
Norchlorotestosterone Acetate: An Alternative Metabolism Study and GC–MS2 Analysis in Kidney Fat, Urine, and Faeces
N. Van Hoof, K. D. De Wasch, S. Poelmans, D. Bruneel +5 more
20047 citations
Semantic Scholar
Feed and drug residues
S. Croubels, E. Daeseleire, S. De Baere, P. de Backer +1 more
20047 citations
Semantic Scholar
Preliminary study on the presence of prednisolone in porcine urine and liver - How to distinguish endogenous from therapeutically administered prednisolone.
Philippe Delahaut, L. Demoulin, N. Gillard, E. Fichant +1 more
2014Drug Testing and Analysis5 citations
Semantic Scholar
The study of some new anabolic drugs by metabolisation experiments with Neomysis integer
S. Poelmans, K. Wash, D. Courtheyn, N. V. Hoof +3 more
20055 citations
Semantic Scholar
Detection of Stanozolol metabolites in bovine urine after intramuscular injection.
P. Delahaut, X. Taillieu, M. Dubois, K. De Wasch +2 more
19985 citations
Semantic Scholar
Beta-agonists in animal feed. I: First intercomparison of methods of analysis for clenbuterol in animal feed materials.
R. Schilt, H. Hooijerink, D. Courtheyn, A. Boenke
1996Food Additives and Contaminants5 citations
Semantic Scholar
Reactivity of Electrophilic Allyl Halides
R. Verhé, N. De Kimpe, L. D. De Buyck, D. Courtheyn +2 more
20104 citations
Semantic Scholar
Comparison of two mass-selective detectors with special reference to the analysis of residues of anabolics.
A. Vermoesen, J. Vercammen, C. Sanders, D. Courtheyn +1 more
1991Journal of Chromatography A4 citations
Semantic Scholar
Metabolism of Methenolone Acetate in a Veal Calf
N. Van Hoof, D. Courtheyn, W. Gillis, J. V. Van Hende +8 more
2007Veterinary research communications3 citations
Semantic Scholar
Use of an Immunomagnetic Separation-ELIS A Technique for the fast Detection of Growth Promotors in Cattle Urine
K. Vanoosthuyze, C. V. van Peteghem, D. Courtheyn, J. Vercammen
19943 citations
Semantic Scholar
SYNTHESIS OF 1,1-BIS(HYDROXYMETHYL) CYCLOPROPANES
R. Verhé, D. Courtheyn, N. De Kimpe, L. D. De Buyck +3 more
19813 citations
Semantic Scholar

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