Measurement of Urinary Serotonin for Clinical Research, Using Mixed-Mode SPE and a High-Strength Silica PFP Column

Rapid and Simultaneous Analysis of Urinary Catecholamines and Metanephrines Using Mixed-Mode SPE and Hydrophilic Interaction Chromatography (HILIC) for Clinical Research Jonathan P. Danaceau, Erin E. Chambers, and Kenneth J. Fountain Waters Corporation, Milford, MA USA A P P L I…

[ TECHNOLOGY BRIEF ] Reversed-phase UPLC-MS/MS Analysis of Plasma Catecholamines and Metanephrines For Clinical Research Jonathan P. Danaceau,¹ Li Qianqian,² Stephen Balloch,³ and Lisa J. Calton³ ¹Waters Corporation, Milford, MA, USA; ²Waters Solutions Centre, Beijing, China; ³Waters Corporation, Wilmslow, UK…

[ APPLICATION NOTEBOOK ] Forensic Toxicology Application Notebook BATTLING THE PROLIFERATION OF DRUGS IS NOT EASY. IDENTIFYING THEM CAN BE. FORENSIC TOXICOLOGY PHARMACEUTICAL As new forms of “designer” drugs threaten public safety, there is an immediate need for advanced ways…

Rapid Analysis of Cocaine and Metabolites by Mixed-Mode µElution SPE Combined with UPLC-MS/MS Cheryl Boissel, Bonnie Alden, Jonathan Danaceau, and Erin Chambers Waters Corporation, Milford, MA, USA A P P L I C AT I O N B E N…