Clinical research method for the quantitative determination of free plasma serotonin and 5-hydroxyindoleacetic acid (5-HIAA) in human plasma by UHPLC-MS/MS

APPLICATION NOTE 22053 Vitamin D biomarkers in plasma Sensitive, reproducible quantitation with SOLA HRP 30 mg SPE for clinical research Author: Matthew Franklin Thermo Fisher Scientific, Runcorn, UK Keywords: 25-hydroxyvitamin D2, 25-hydroxyvitamin D3, SPE, solid phase extraction, LC, vitamin D,…

TECHNICAL NOTE 21997 Rapid quantitative analysis of vitamins K1 and K2 with chromatographic resolution from matrix interferences for clinical research Author: Jon Bardsley Thermo Fisher Scientific, Runcorn, UK Keywords: Vitamin K, Accucore Biphenyl, fat soluble vitamins, phospholipids, protein precipitation Goal…

TECHNICAL NOTE 21965 Quantitative determination of seven synthetic cathinones (stimulants) from stabilized human urine by UHPLC-MS/MS for forensic toxicology Authors Kean Woodmansey and Matthew Franklin Thermo Fisher Scientific, Runcorn, UK Keywords Syncronis, cathinones, “bath salts”, khat, plant food, legal highs,…

APPLICATION NOTE 22061 An improved UHPLC-MS/MS assay for the determination of acrylamide from foodstuffs Author: Kean Woodmansey, Thermo Fisher Scientific, Runcorn, UK Keywords: Acrylamide, Supported Liquid Extraction (SLE), Hypercarb, TSQ Endura, Vanquish Horizon, UHPLC MS/MS, food, potato chips, coffee, baby…