Dilute-and-shoot-liquid chromatography-mass spectrometry for urine analysis in doping control and analytical toxicology

K Deventer, OJ Pozo, AG Verstraete… - TrAC Trends in Analytical …, 2014 - Elsevier
In the past 20 years, liquid chromatography-mass spectrometry (LC-MS) has become a
standard analytical technique in doping control and toxicology laboratories. Research groups …

Prevalence of legal and illegal stimulating agents in sports

K Deventer, K Roels, FT Delbeke… - Analytical and …, 2011 - Springer
This paper reviews the prevalence of legal and illegal stimulants in relation to doping-control
analysis. Stimulants are among the oldest classes of doping agents, having been used …

Detection and characterization of anabolic steroids in doping analysis by LC-MS

OJ Pozo, P Van Eenoo, K Deventer… - TrAC Trends in Analytical …, 2008 - Elsevier
The detection of target anabolic steroids in doping analysis has generally been performed
by gas chromatography combined with mass spectrometry (GC-MS). However, liquid …

A fast, comprehensive screening method for doping agents in urine by gas chromatography–triple quadrupole mass spectrometry

…, W Van Gansbeke, N De Brabanter, K Deventer… - … of Chromatography A, 2011 - Elsevier
… The carbonate buffer (pH = 9.5) was prepared by dissolving 135 g K 2 CO 3 and 111 g …
1 ml of a liquid mixture NaHCO 3 /K 2 CO 3 (pH = 9.5) and 5 ml of diethyl ether were added to …

Screening for 18 diuretics and probenecid in doping analysis by liquid chromatography–tandem mass spectrometry

K Deventer, FT Delbeke, K Roels… - Biomedical …, 2002 - Wiley Online Library
A fast and selective liquid chromatography–tandem mass spectrometric (LC/MS/MS) method
for the screening of 18 diuretics and probenecid in human urine is presented. Analyses …

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

AJ Girón, K Deventer, K Roels, P Van Eenoo - Analytica Chimica Acta, 2012 - Elsevier
A new doping control screening method for the analysis of diuretics and stimulants using
ultra high pressure liquid chromatography–high resolution Orbitrap mass spectrometry has …

No effect of caffeine on exercise performance in high ambient temperature

…, L Buyse, F Pauwels, F Delbeke, K Deventer… - European journal of …, 2011 - Springer
… Samples for plasma adrenocorticotropic hormone (ACTH) and beta-endorphins (B-end)
were collected into 4.5 ml tubes containing K 3 EDTA. An additional 7.5 ml was added to lithium …

Ionization of anabolic steroids by adduct formation in liquid chromatography electrospray mass spectrometry

OJ Pozo, P Van Eenoo, K Deventer… - Journal of Mass …, 2007 - Wiley Online Library
The ionization of 46 anabolic steroids has been studied. The absence of basic or acidic
moieties in most of these analytes makes their direct ionization as [M + H] + by atmospheric …

TiO2 functionalized nanofibrous membranes for removal of organic (micro) pollutants from water

…, H Teixido, M Meire, T Van Acker, K Deventer… - Separation and …, 2017 - Elsevier
… C is the concentration of MB or isoproturon after a specific UV irradiation time t, C 0 is the
initial concentration and k is the rate constant of the reaction.(1) ln C C 0 = - kt …

Efficient approach for the comprehensive detection of unknown anabolic steroids and metabolites in human urine by liquid chromatography− electrospray-tandem …

OJ Pozo, K Deventer, P Van Eenoo… - Analytical …, 2008 - ACS Publications
The detection of new anabolic steroid metabolites and new designer steroids in urine is a
challenge in doping analysis. An approach based on precursor ion scanning for the detection …