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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, Jorge; Roig-Navarro, Antoni F.; Sancho, Juan V; Ibáñez, Maria; Fabregat-Cabello, Neus; Pozo, Óscar J.; Ventura, Rosa; García Alonso, J. Ignacio; Rodríguez González, Pablo; González Gago, Adriana; Ereño Artabe, Amaia; Van Eenoo, Peter; Deventer, Koen; Dehnes, Yvette; Rzeppa, Sebastian Elsevier (2017-06)Three quantification methodologies, namely calibration with internal standard (Cal-IS, non-weighted), weighted calibration with internal standard (wCal-IS) and isotope pattern deconvolution (IPD) have been used for the ... -
Isotope Dilution LC-ESI-MS/MS and low resolution Selected Reaction Monitoring as a tool for the accurate quantification of urinary testosterone
Ereño Artabe, Amaia; Gonzalez-Gago, Adriana; Suarez Fernández, Amanda; Pitarch-Motellón, Jorge; Roig-Navarro, Antoni F.; Pozo, Óscar J.; Rodríguez González, Pablo; García Alonso, J. Ignacio Elsevier (2018-09)A new analytical method for the quantification of testosterone in human urine samples by isotope dilution mass spectrometry is proposed. A standard solution of 13C2-testosterone is added to the samples at the beginning of ...