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Items: 1 to 50 of 110

1.

Sensitivity and specificity of detection methods for erythropoietin doping in cyclists.

Heuberger JAAC, van Eenoo P, Rotmans JI, Gal P, Stuurman FE, Post TE, Daniels JMA, Ram H, de Hon O, Burggraaf J, Cohen AF.

Drug Test Anal. 2019 Sep;11(9):1290-1301. doi: 10.1002/dta.2665. Epub 2019 Jul 17.

2.

Peptide enrichment by ion-pair solid-phase extraction.

Judák P, Polet M, Van Eenoo P, Benoit A, Buisson C, Deventer K.

J Chromatogr B Analyt Technol Biomed Life Sci. 2019 Jul 15;1121:89-95. doi: 10.1016/j.jchromb.2019.05.015. Epub 2019 May 14.

PMID:
31132734
3.

Eight weeks of static apnea training increases spleen volume but not acute spleen contraction.

Bouten J, Caen K, Stautemas J, Lefevere F, Derave W, Lootens L, Van Eenoo P, Bourgois JG, Boone J.

Respir Physiol Neurobiol. 2019 Aug;266:144-149. doi: 10.1016/j.resp.2019.04.002. Epub 2019 Apr 19.

PMID:
31009754
4.

Gas chromatography-mass spectrometry analysis of non-hydrolyzed sulfated steroids by degradation product formation.

Polet M, Van Gansbeke W, Albertsdóttir AD, Coppieters G, Deventer K, Van Eenoo P.

Drug Test Anal. 2019 Apr 22. doi: 10.1002/dta.2606. [Epub ahead of print]

PMID:
31009554
5.

Identification and confirmation of diuretics and masking agents in urine by turbulent flow online solid-phase extraction coupled with liquid chromatography-triple quadrupole mass spectrometry for doping control.

De Wilde L, Roels K, Polet M, Van Eenoo P, Deventer K.

J Chromatogr A. 2018 Dec 7;1579:31-40. doi: 10.1016/j.chroma.2018.10.032. Epub 2018 Oct 17.

PMID:
30430987
6.

Development and validation of an open screening method for doping substances in urine by gas chromatography quadrupole time-of-flight mass spectrometry.

Polet M, Van Gansbeke W, Van Eenoo P.

Anal Chim Acta. 2018 Dec 26;1042:52-59. doi: 10.1016/j.aca.2018.08.050. Epub 2018 Aug 28.

PMID:
30428988
7.

Urinary matrix effects in electrospray ionization mass spectrometry in the presence of DMSO.

Judák P, Van Eenoo P, Deventer K.

J Mass Spectrom. 2018 Oct;53(10):1018-1021. doi: 10.1002/jms.4255. Epub 2018 Aug 15. No abstract available.

PMID:
29952038
8.

Comprehensive analysis by liquid chromatography Q-Orbitrap mass spectrometry: Fast screening of peptides and organic molecules.

Sardela VF, Martucci MEP, de Araújo ALD, Leal EC, Oliveira DS, Carneiro GRA, Deventer K, Van Eenoo P, Pereira HMG, Aquino Neto FR.

J Mass Spectrom. 2018 Jun;53(6):476-503. doi: 10.1002/jms.4077. Epub 2018 Apr 18.

PMID:
29524299
9.

Utilizing ELISA-plate based immunopurification and liquid chromatography-tandem mass spectrometry for the urinary detection of short- and long acting human insulin analogues.

Judák P, Van Eenoo P, Deventer K.

J Pharm Biomed Anal. 2018 May 10;153:76-81. doi: 10.1016/j.jpba.2018.02.024. Epub 2018 Feb 12.

PMID:
29462782
10.

Potential of saliva steroid profiling for the detection of endogenous steroid abuse: Reference thresholds for oral fluid steroid concentrations and ratios.

Polet M, De Wilde L, Van Renterghem P, Van Gansbeke W, Van Eenoo P.

Anal Chim Acta. 2018 Jan 25;999:1-12. doi: 10.1016/j.aca.2017.11.015. Epub 2017 Nov 11.

PMID:
29254559
11.

Adsorption effects of the doping relevant peptides Insulin Lispro, Synachten, TB-500 and GHRP 5.

Judák P, Van Eenoo P, Deventer K.

Anal Biochem. 2017 Nov 15;537:69-71. doi: 10.1016/j.ab.2017.09.003. Epub 2017 Sep 5.

PMID:
28887173
12.

Evaluation of uncertainty sources in the determination of testosterone in urine by calibration-based and isotope dilution quantification using ultra high performance liquid chromatography tandem mass spectrometry.

Pitarch-Motellón J, Roig-Navarro AF, Sancho JV, Ibáñez M, Fabregat-Cabello N, Pozo OJ, Ventura R, García Alonso JI, Rodríguez-González P, González Gago A, Ereño Artabe A, Van Eenoo P, Deventer K, Dehnes Y, Rzeppa S.

J Chromatogr A. 2017 Jul 28;1508:73-80. doi: 10.1016/j.chroma.2017.05.072. Epub 2017 Jun 3.

PMID:
28601363
13.

DMSO Assisted Electrospray Ionization for the Detection of Small Peptide Hormones in Urine by Dilute-and-Shoot-Liquid-Chromatography-High Resolution Mass Spectrometry.

Judák P, Grainger J, Goebel C, Van Eenoo P, Deventer K.

J Am Soc Mass Spectrom. 2017 Aug;28(8):1657-1665. doi: 10.1007/s13361-017-1670-7. Epub 2017 Apr 19.

PMID:
28425052
14.

Identification and characterization of novel long-term metabolites of oxymesterone and mesterolone in human urine by application of selected reaction monitoring GC-CI-MS/MS.

Polet M, Van Gansbeke W, Geldof L, Deventer K, Van Eenoo P.

Drug Test Anal. 2017 Nov;9(11-12):1673-1684. doi: 10.1002/dta.2183. Epub 2017 May 12.

PMID:
28296258
15.

Doping control container for urine stabilization: a pilot study.

Tsivou M, Giannadaki E, Hooghe F, Roels K, Van Gansbeke W, Garribba F, Lyris E, Deventer K, Mazzarino M, Donati F, Georgakopoulos DG, Van Eenoo P, Georgakopoulos CG, de la Torre X, Botrè F.

Drug Test Anal. 2017 May;9(5):699-712. doi: 10.1002/dta.2048. Epub 2016 Sep 21.

PMID:
27497113
16.

Efficient approach for the detection and identification of new androgenic metabolites by applying SRM GC-CI-MS/MS: a methandienone case study.

Polet M, Van Gansbeke W, Van Eenoo P, Deventer K.

J Mass Spectrom. 2016 Jul;51(7):524-34. doi: 10.1002/jms.3781.

PMID:
27434811
17.

Gas chromatography/chemical ionization triple quadrupole mass spectrometry analysis of anabolic steroids: ionization and collision-induced dissociation behavior.

Polet M, Van Gansbeke W, Van Eenoo P, Deventer K.

Rapid Commun Mass Spectrom. 2016 Feb 28;30(4):511-22. doi: 10.1002/rcm.7472.

PMID:
26777682
18.

Metabolic studies of prostanozol with the uPA-SCID chimeric mouse model and human liver microsomes.

Geldof L, Lootens L, Decroix L, Botrè F, Meuleman P, Leroux-Roels G, Deventer K, Van Eenoo P.

Steroids. 2016 Mar;107:139-48. doi: 10.1016/j.steroids.2016.01.005. Epub 2016 Jan 13.

PMID:
26774429
19.

In vitro metabolism study of a black market product containing SARM LGD-4033.

Geldof L, Pozo OJ, Lootens L, Morthier W, Van Eenoo P, Deventer K.

Drug Test Anal. 2017 Feb;9(2):168-178. doi: 10.1002/dta.1930. Epub 2016 Jan 15.

PMID:
26767942
20.

Screening and confirmation of a glycerol-positive case.

Deventer K, Van Eenoo P.

Drug Test Anal. 2015 Nov-Dec;7(11-12):1009-13. doi: 10.1002/dta.1913. No abstract available.

PMID:
26695488
21.

In vitro and in vivo metabolism studies of dimethazine.

Geldof L, Tudela E, Lootens L, van Lysebeth J, Meuleman P, Leroux-Roels G, van Eenoo P, Deventer K.

Biomed Chromatogr. 2016 Aug;30(8):1202-9. doi: 10.1002/bmc.3668. Epub 2016 Jan 18.

PMID:
26663462
22.

Evaluation of longitudinal steroid profiles from male football players in UEFA competitions between 2008 and 2013.

Baume N, Geyer H, Vouillamoz M, Grisdale R, Earl M, Aguilera R, Cowan DA, Ericsson M, Gmeiner G, Kwiatkowska D, Kioukia-Fougia N, Molina A, Ruivo J, Segura J, Van Eenoo P, Jan N, Robinson N, Saugy M.

Drug Test Anal. 2016 Jul;8(7):603-12. doi: 10.1002/dta.1851. Epub 2015 Sep 3.

PMID:
26338140
23.

Improved sensitivity by use of gas chromatography-positive chemical ionization triple quadrupole mass spectrometry for the analysis of drug related substances.

Van Gansbeke W, Polet M, Hooghe F, Devos C, Van Eenoo P.

J Chromatogr B Analyt Technol Biomed Life Sci. 2015 Sep 15;1001:221-40. doi: 10.1016/j.jchromb.2015.07.052. Epub 2015 Aug 3.

PMID:
26296082
24.

Untargeted metabolomics in doping control: detection of new markers of testosterone misuse by ultrahigh performance liquid chromatography coupled to high-resolution mass spectrometry.

Raro M, Ibáñez M, Gil R, Fabregat A, Tudela E, Deventer K, Ventura R, Segura J, Marcos J, Kotronoulas A, Joglar J, Farré M, Yang S, Xing Y, Van Eenoo P, Pitarch E, Hernández F, Sancho JV, Pozo ÓJ.

Anal Chem. 2015 Aug 18;87(16):8373-80. doi: 10.1021/acs.analchem.5b02254. Epub 2015 Aug 5.

PMID:
26200763
25.

Hormone and veterinary drug residue analysis in food, feed, biological and environmental matrices.

Croubels S, Daeseleire E, De Saeger S, Van Eenoo P, Vanhaecke L.

Anal Bioanal Chem. 2015 Jun;407(15):4339-42. doi: 10.1007/s00216-015-8655-9. No abstract available.

PMID:
25893799
26.

GC-C-IRMS in routine doping control practice: 3 years of drug testing data, quality control and evolution of the method.

Polet M, Van Eenoo P.

Anal Bioanal Chem. 2015 Jun;407(15):4397-409. doi: 10.1007/s00216-014-8374-7. Epub 2014 Dec 12.

PMID:
25503937
27.

In vitro models for metabolic studies of small peptide hormones in sport drug testing.

Esposito S, Deventer K, Geldof L, Van Eenoo P.

J Pept Sci. 2015 Jan;21(1):1-9. doi: 10.1002/psc.2710. Epub 2014 Dec 3.

PMID:
25469748
28.

Identification of the growth hormone-releasing hormone analogue [Pro1, Val14]-hGHRH with an incomplete C-term amidation in a confiscated product.

Esposito S, Deventer K, Van Eenoo P.

Drug Test Anal. 2014 Nov-Dec;6(11-12):1155-9. doi: 10.1002/dta.1730. Epub 2014 Oct 6.

PMID:
25283153
29.

Investigation of urinary excretion of hydroxyethyl starch and dextran by uhplc-hrms in different acquisition modes.

Esposito S, Deventer K, Giron AJ, Roels K, Herregods L, Verstraete A, Van Eenoo P.

Biol Sport. 2014 Jun;31(2):95-104. doi: 10.5604/20831862.1096045. Epub 2014 Apr 5.

30.

Urinary detection of conjugated and unconjugated anabolic steroids by dilute-and-shoot liquid chromatography-high resolution mass spectrometry.

Tudela E, Deventer K, Geldof L, Van Eenoo P.

Drug Test Anal. 2015 Feb;7(2):95-108. doi: 10.1002/dta.1650. Epub 2014 Apr 22.

PMID:
24753397
31.

Studies on the minor metabolite 6a-hydroxy-androstenedione for doping control purposes and its contribution to the steroid profile.

Polet M, Van Renterghem P, Van Gansbeke W, Van Eenoo P.

Drug Test Anal. 2014 Oct;6(10):978-84. doi: 10.1002/dta.1618. Epub 2014 Feb 11.

PMID:
24515835
32.

Current status and bioanalytical challenges in the detection of unknown anabolic androgenic steroids in doping control analysis.

Pozo OJ, De Brabanter N, Fabregat A, Segura J, Ventura R, Van Eenoo P, Deventer K.

Bioanalysis. 2013 Nov;5(21):2661-77. doi: 10.4155/bio.13.242. Review.

PMID:
24180506
33.

In vivo and in vitro metabolism of the synthetic cannabinoid JWH-200.

De Brabanter N, Esposito S, Tudela E, Lootens L, Meuleman P, Leroux-Roels G, Deventer K, Van Eenoo P.

Rapid Commun Mass Spectrom. 2013 Sep 30;27(18):2115-26. doi: 10.1002/rcm.6673.

PMID:
23943333
34.

Profiling of urinary formestane and confirmation by isotope ratio mass spectrometry.

Polet M, Van Renterghem P, Van Gansbeke W, Van Eenoo P.

Steroids. 2013 Nov;78(11):1103-9. doi: 10.1016/j.steroids.2013.07.011. Epub 2013 Aug 7.

PMID:
23933120
35.

Identification of sympathomimetic alkylamine agents in urine using liquid chromatography-mass spectrometry and comparison of derivatization methods for confirmation analyses by gas chromatography-mass spectrometry.

Sardela VF, Sardela PD, Deventer K, Araujo AL, Cavalcante KM, Padilha MC, Pereira HM, Van Eenoo P, Aquino Neto FR.

J Chromatogr A. 2013 Jul 12;1298:76-85. doi: 10.1016/j.chroma.2013.05.016. Epub 2013 May 13.

PMID:
23746644
36.

Statistical discrimination of steroid profiles in doping control with support vector machines.

Van Renterghem P, Sottas PE, Saugy M, Van Eenoo P.

Anal Chim Acta. 2013 Mar 20;768:41-8. doi: 10.1016/j.aca.2013.01.003. Epub 2013 Jan 14.

PMID:
23473248
37.

Sensitive detection of 3'-hydroxy-stanozolol glucuronide by liquid chromatography-tandem mass spectrometry.

Tudela E, Deventer K, Van Eenoo P.

J Chromatogr A. 2013 May 31;1292:195-200. doi: 10.1016/j.chroma.2013.01.001. Epub 2013 Jan 9.

PMID:
23374366
38.

Fast quantification of 11-nor-Δ9-tetrahydrocannabinol-9-carboxylic acid (THCA) using microwave-accelerated derivatisation and gas chromatography-triple quadrupole mass spectrometry.

De Brabanter N, Van Gansbeke W, Hooghe F, Van Eenoo P.

Forensic Sci Int. 2013 Jan 10;224(1-3):90-5. doi: 10.1016/j.forsciint.2012.11.004. Epub 2012 Dec 1.

PMID:
23206547
39.

Detection and characterization of urinary metabolites of boldione by LC-MS/MS. Part I: Phase I metabolites excreted free, as glucuronide and sulfate conjugates, and released after alkaline treatment of the urine.

Gómez C, Pozo OJ, Fabregat A, Marcos J, Deventer K, Van Eenoo P, Segura J, Ventura R.

Drug Test Anal. 2012 Oct;4(10):775-85. doi: 10.1002/dta.1433. Epub 2012 Oct 22.

PMID:
23090723
40.

Synthesis and characterization of the N-terminal acetylated 17-23 fragment of thymosin beta 4 identified in TB-500, a product suspected to possess doping potential.

Esposito S, Deventer K, Goeman J, Van der Eycken J, Van Eenoo P.

Drug Test Anal. 2012 Sep;4(9):733-8. doi: 10.1002/dta.1402. Epub 2012 Sep 7.

PMID:
22962027
41.

Development and validation of a ultra high performance liquid chromatography-tandem mass spectrometric method for the direct detection of formoterol in human urine.

Sardela VF, Deventer K, Pereira HM, de Aquino Neto FR, Van Eenoo P.

J Pharm Biomed Anal. 2012 Nov;70:471-5. doi: 10.1016/j.jpba.2012.06.042. Epub 2012 Jul 7.

PMID:
22841556
42.

Development of a sensitive GC-C-IRMS method for the analysis of androgens.

Polet M, Van Gansbeke W, Deventer K, Van Eenoo P.

Biomed Chromatogr. 2013 Feb;27(2):259-66. doi: 10.1002/bmc.2785. Epub 2012 Jul 19.

PMID:
22815226
43.

Doping control analysis of desmopressin in human urine by LC-ESI-MS/MS after urine delipidation.

Esposito S, Deventer K, T'Sjoen G, Vantilborgh A, Van Eenoo P.

Biomed Chromatogr. 2013 Feb;27(2):240-5. doi: 10.1002/bmc.2782. Epub 2012 Jun 28.

PMID:
22740500
44.

Development of a GC/C/IRMS method--confirmation of a novel steroid profiling approach in doping control.

Van Renterghem P, Polet M, Brooker L, Van Gansbeke W, Van Eenoo P.

Steroids. 2012 Sep;77(11):1050-60. doi: 10.1016/j.steroids.2012.05.009. Epub 2012 Jun 20.

PMID:
22728892
45.

Quantitative detection of inhaled formoterol in human urine and relevance to doping control analysis.

Deventer K, Pozo OJ, Delbeke FT, Van Eenoo P.

Drug Test Anal. 2012 Jun;4(6):449-54. doi: 10.1002/dta.418. Epub 2012 Mar 22.

PMID:
22447497
46.

Development and validation of an open screening method for diuretics, stimulants and selected compounds in human urine by UHPLC-HRMS for doping control.

Girón AJ, Deventer K, Roels K, Van Eenoo P.

Anal Chim Acta. 2012 Apr 6;721:137-46. doi: 10.1016/j.aca.2012.02.002. Epub 2012 Feb 9.

PMID:
22405312
47.

An improved gas chromatography screening method for doping substances using triple quadrupole mass spectrometry, with an emphasis on quality assurance.

De Brabanter N, Van Gansbeke W, Geldof L, Van Eenoo P.

Biomed Chromatogr. 2012 Nov;26(11):1416-35. doi: 10.1002/bmc.2714. Epub 2012 Feb 24.

PMID:
22362568
48.

Characterization and identification of a C-terminal amidated mechano growth factor (MGF) analogue in black market products.

Esposito S, Deventer K, Van Eenoo P.

Rapid Commun Mass Spectrom. 2012 Mar 30;26(6):686-92. doi: 10.1002/rcm.6144.

PMID:
22328223
49.

Qualitative detection of desmopressin in plasma by liquid chromatography-tandem mass spectrometry.

Esposito S, Deventer K, T'Sjoen G, Vantilborgh A, Delbeke FT, Goessaert AS, Everaert K, Van Eenoo P.

Anal Bioanal Chem. 2012 Mar;402(9):2789-96. doi: 10.1007/s00216-011-5697-5. Epub 2012 Feb 10.

PMID:
22318696
50.

Detection of dihydrotestosterone gel, oral dehydroepiandrosterone, and testosterone gel misuse through the quantification of testosterone metabolites released after alkaline treatment.

Fabregat A, Pozo OJ, Van Renterghem P, Van Eenoo P, Marcos J, Segura J, Ventura R.

Drug Test Anal. 2011 Nov-Dec;3(11-12):828-35. doi: 10.1002/dta.351. Epub 2011 Oct 13.

PMID:
21998068

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