Interlaboratory comparison of 25-hydroxyvitamin D assays: Vitamin D Standardization Program (VDSP) Intercomparison Study 2-Part 1 liquid chromatography - tandem mass spectrometry (LC-MS/MS) assays - impact of 3-epi-25-hydroxyvitamin D-3 on assay performance

Wise, SA; Camara, JE; Burdette, CQ; Hahm, G; Nalin, F; Kuszak, AJ; Merkel, J; Durazo-Arvizu, RA; Williams, EL; Hoofnagle, AN; Ivison, F; Fischer, R; van den Ouweland, JMW; Ho, CS; Law, EWK; Simard, JN; Gonthier, R; Holmquist, B; Meadows, S; Cox, L; Robyak, K; Creer, MH; Fitzgerald, R; Clarke, MW; Breen, N; Lukas, P; Cavalier, E; Sempos, CT

Wise, SA (通讯作者),NIH, Off Dietary Supplements ODS, Bldg 10, Bethesda, MD 20892 USA.;Wise, SA (通讯作者),NIST, Gaithersburg, MD 20899 USA.

ANALYTICAL AND BIOANALYTICAL CHEMISTRY, 2022; 414 (1): 333

Abstract

An interlaboratory comparison study was conducted by the Vitamin D Standardization Program (VDSP) to assess the performance of liquid chromatography -......

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