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Screening and confirmation criteria for hormone residue analysis using liquid chromatography accurate mass time-of-flight, Fourier transform ion cyclotron resonance and orbitrap mass spectrometry techniques.
Nielen MW, van Engelen MC, Zuiderent R, Ramaker R. Nielen MW, et al. Among authors: van engelen mc. Anal Chim Acta. 2007 Mar 14;586(1-2):122-9. doi: 10.1016/j.aca.2006.08.055. Epub 2006 Sep 3. Anal Chim Acta. 2007. PMID: 17386703
Desorption electrospray ionisation mass spectrometry: A rapid screening tool for veterinary drug preparations and forensic samples from hormone crime investigations.
Nielen MW, Hooijerink H, Claassen FC, van Engelen MC, van Beek TA. Nielen MW, et al. Among authors: van engelen mc. Anal Chim Acta. 2009 Apr 1;637(1-2):92-100. doi: 10.1016/j.aca.2008.08.036. Epub 2008 Sep 3. Anal Chim Acta. 2009. PMID: 19286017
Multi-detection of corticosteroids in sports doping and veterinary control using high-resolution liquid chromatography/time-of-flight mass spectrometry.
Touber ME, van Engelen MC, Georgakopoulus C, van Rhijn JA, Nielen MW. Touber ME, et al. Among authors: van engelen mc. Anal Chim Acta. 2007 Mar 14;586(1-2):137-46. doi: 10.1016/j.aca.2006.09.058. Epub 2006 Oct 5. Anal Chim Acta. 2007. PMID: 17386705
An untargeted metabolomics approach to contaminant analysis: pinpointing potential unknown compounds.
Lommen A, van der Weg G, van Engelen MC, Bor G, Hoogenboom LA, Nielen MW. Lommen A, et al. Among authors: van engelen mc. Anal Chim Acta. 2007 Feb 12;584(1):43-9. doi: 10.1016/j.aca.2006.11.018. Epub 2006 Nov 11. Anal Chim Acta. 2007. PMID: 17386583
Urine testing for designer steroids by liquid chromatography with androgen bioassay detection and electrospray quadrupole time-of-flight mass spectrometry identification.
Nielen MW, Bovee TF, van Engelen MC, Rutgers P, Hamers AR, van Rhijn JH, Hoogenboom LR. Nielen MW, et al. Among authors: van engelen mc. Anal Chem. 2006 Jan 15;78(2):424-31. doi: 10.1021/ac051317q. Anal Chem. 2006. PMID: 16408923
Searching for in silico predicted metabolites and designer modifications of (cortico)steroids in urine by high-resolution liquid chromatography/time-of-flight mass spectrometry.
Peters RJ, van Engelen MC, Touber ME, Georgakopoulus C, Nielen MW. Peters RJ, et al. Among authors: van engelen mc. Rapid Commun Mass Spectrom. 2009 Aug;23(15):2329-37. doi: 10.1002/rcm.4153. Rapid Commun Mass Spectrom. 2009. PMID: 19575408
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