Restek has produced an application note introducing a simple solid-phase extraction procedure for the simultaneous analysis of catecholamines and metanephrines in urine that is suitable for high-throughput clinical diagnostics.
Biotage has produced an application note describing the extraction of a panel of steroid hormones from human serum using ISOLUTE® SLE+ Supported Liquid Extraction plates prior to LC/MS-MS analysis.
Biotage has produced an application note describing the extraction of the peptides oxytocin and vasopressin from serum using a fast, simple EVOLUTE EXPRESS load-wash-elute SPE procedure and achieving high reproducible extraction recoveries.
Biotage has produced an application note describing a mixed-mode weak cation exchange SPE protocol for extraction of three catecholamines and three metanephrine metabolites from plasma prior to LC-MS/MS detection.
Thermo Fisher Scientific has produced an application note to demonstrate the robustness of the Thermo Scientific™ TSQ Quantis™ triple quadrupole mass spectrometer by analysis of immunosuppressant drugs in whole blood for clinical research.
Thermo Fisher Scientific has produced an application note describing a sensitive and simple LC-MS/MS method for quantitative analysis of THC and THCCOOH in oral fluid for forensic toxicology laboratories.