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Orbitrap_SciLib
Reputable Mentor II
Reputable Mentor II
Virus ED, Sobolevsky TG, Rodchenkov GM.
J Mass Spectrom. 2008 Jul;43(7):949-57.
A new doping control screening method has been developed, for the analysis of doping agents in human urine, using HPLC/orbitrap with in-source collision-induced dissociation and atmospheric pressure chemical ionization. The developed method allows the detection of 29 compounds, including agents with antiestrogenic activity, beta(2) agonists, exogenous anabolic steroids, and other anabolic agents. The mass accuracy of this method is better at 2 ppm using an external reference. The detection limit for all compounds tested was better than 100 pg/ml. The recoveries of most analytes were above 70%. The measured median repeatability values for doping agents included in the method at concentrations of 1 and 10 ng/ml were 21 and 17%, respectively. The relative standard deviation (RSD) of the intraday precision (n = 6) ranged from RSD = 16-22%, whereas the interday precision (n = 18), ranged from RSD = 17-26%, depending on the solute concentration investigated.

http://onlinelibrary.wiley.com/doi/10.1002/jms.1447/pdf
Moscow Antidoping Center, Elizavetynsky10, 105005, Moscow, Russia.
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