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Quantitation of Free Thyroxine by Equilibrium Dialysis and Liquid Chromatography-Tandem Mass Spectrometry
Weijia William Wu1, Michael J McPhaul1, Zengru Wu2
1Quest Diagnostics, San Juan Capistrano, CA, USA.
Methods in Molecular Biology (Clifton, N.J.)
|September 20, 2022
Abstract:
A method for free thyroxine measurement in human serum using equilibrium dialysis followed by liquid chromatography tandem mass spectrometry (LC-MS/MS) is described. Free thyroxine in serum is first separated from protein-bound thyroxine by equilibrium dialysis and then measured by LC-MS/MS.

