Application Note 20709 SPE-LC-MS/MS Method for the Determination of Nicotine, Cotinine, and Trans-3-hydroxycotinine in Urine

J. Jones, Thermo Fisher Scientific, Runcorn, Cheshire, UK Key Words SPE, SOLA CX, Syncronis C18, nicotine, cotinine, trans-3-hydroxycotinine Abstract A liquid chromatography tandem mass spectrometry method for nicotine, cotinine, and trans-3-hydroxycotinine in urine has been developed. Using Thermo Scientific™ SOLA™…

Joanne Jones, Thermo Fisher Scientific, Runcorn, UK Appli cat i on N ote 2 0 9 3 6 SPE and LC-MS/MS Method for the Determination of 25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3 from Human Plasma Key Words Solid phase extraction, SPE,…

APPLICATION NOTE No. 20936 SPE and LC-MS/MS method for the determination of 25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3 from human plasma Authors: Jon Bardsley, Ken Meadows, Joanne Jones, Thermo Fisher Scientific, Runcorn, UK Keywords: Solid phase extraction, SPE, SOLA HRP, LC-MS/MS,…

Kimberly Phipps, Thermo Fisher Scientific, Runcorn, Cheshire, UK Key Words Accucore C18, dextromethorphan, dextrorphan, SOLA CX Abstract A liquid chromatography–tandem mass spectrometry method for the analysis of dextromethorphan and dextrorphan from rat plasma has been developed. A limit of quantification…