Validation of a screening method for corticosteroids in doping analysis by liquid chromatography/tandem mass spectrometry.


A selective and sensitive method for the screening of nine corticosteroids in human urine has been validated. Analyses were performed using an ion trap instrument equipped with an electrospray ionisation (ESI) interface. All corticosteroids were separated in less than 20 min after liquid/liquid extraction with diethyl ether. The limit of detection for all… (More)


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