A Rapid and Sensitive LC-MS/MS Method for the Analysis of Three Forms of Thyroid Hormones Using Raptor™ Biphenyl LC Columns

This application note demonstrates an LC-MS/MS method for the analysis of thyroid hormones at the free form levels using the highly efficient and selective Raptor™ Biphenyl LC column. Ac­curate and sensitive measurement of low pg/mL levels of free hormones is necessary to assess thyroid function for both veterinary and human diagnostics.