Direct Analysis of Opioids and Metabolites in Oral Fluid by Mixed-mode µElution SPE Combined with UPLC-MS/MS for Forensic Toxicology Jonathan P. Danaceau, Erin E. Chambers, and Kenneth J. Fountain Waters Corporation, Milford, MA, USA A P P L I C…
Key words
oral, µelution, opioids, metabolites, fluid, glucuronide, mixed, spe, norbuprenorphine, buprenorphine, tramadol, direct, bias, uplc, hydrocodone