A Direct LC/MS/MS Method for Quantitative Determination of 25-Hydroxyvitamin D2 and D3 in Human Plasma

Application Note Food Testing & Agriculture Determination of Fat-Soluble Vitamins in Foods Using Agilent Chem Elut S Extraction with LC/DAD and LC/MS/MS Triple-Quadrupole Authors Abstract Hui Zhao and Limian Zhao Agilent Technologies, Inc. This application note describes a method for…

Application Note Food Determination of Fat-Soluble Vitamins in Infant Formula Using Agilent Bond Elut Plexa Polymeric SPE with HPLC and LC/MS/MS Authors Xia Yang and Limian Zhao Agilent Technologies, Inc. Abstract An efficient and robust method was developed and validated…

TECHNICAL NOTE No. 73234 Quantification of 25-hydroxyvitamin D2 and D3 in human plasma by liquid chromatography coupled to high-resolution Orbitrap mass spectrometry for clinical research Authors: Claudio De Nardi1, Katharina Kern2, Steffen Peters2 Thermo Fisher Scientific GmbH, Dreieich, Germany; 2…

Application Note Clinical Research Sensitive and Robust Measurement of Vitamin D Hydroxy Metabolites and Epimers in Serum Using the Agilent Ultivo Triple Quadrupole LC/MS Abstract Authors Suet Ying Lee , Amaury Cazenave Gassiot1,2, Markus R. Wenk1,2, and Anne K. Bendt2…