Performance of the New RapidFire System for Therapeutic Monitoring of Immunosuppressants

Background:Typical runtimes for quantitation of immunosuppressants in whole blood based on liquid chromatography−tandem mass spectrometry (LC−MS/MS) are in the order of a few minutes per sample. The Agilent RapidFire−MS/MS system uses solid phase extraction cartridges instead of chromatography colum