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Interlaboratory comparison of 25-hydroxyvitamin D assays: Vitamin D Standardization Program (VDSP) Intercomparison Study 2 - Part 2 ligand binding assays - impact of 25-hydroxyvitamin D2 and 24R,25-dihydroxyvitamin D3 on assay performance.
Wise SA, Camara JE, Burdette CQ, Hahm G, Nalin F, Kuszak AJ, Merkel J, Durazo-Arvizu RA, Williams EL, Popp C, Beckert C, Schultess J, Van Slooten G, Tourneur C, Pease C, Kaul R, Villarreal A, Batista MC, Pham H, Bennett A, Jansen E, Khan DA, Kilbane M, Twomey PJ, Freeman J, Parker N, Mushtaq S, Simpson C, Lukas P, Cavalier É, Sempos CT. Wise SA, et al. Among authors: merkel j. Anal Bioanal Chem. 2022 Jan;414(1):351-366. doi: 10.1007/s00216-021-03577-0. Epub 2021 Aug 25. Anal Bioanal Chem. 2022. PMID: 34435207 Free PMC article.
Standardizing 25-hydroxyvitamin D values from the Canadian Health Measures Survey.
Sarafin K, Durazo-Arvizu R, Tian L, Phinney KW, Tai S, Camara JE, Merkel J, Green E, Sempos CT, Brooks SP. Sarafin K, et al. Among authors: merkel j. Am J Clin Nutr. 2015 Nov;102(5):1044-50. doi: 10.3945/ajcn.114.103689. Epub 2015 Sep 30. Am J Clin Nutr. 2015. PMID: 26423385 Free PMC article.
Vitamin D measurement standardization: The way out of the chaos.
Binkley N, Dawson-Hughes B, Durazo-Arvizu R, Thamm M, Tian L, Merkel JM, Jones JC, Carter GD, Sempos CT. Binkley N, et al. Among authors: merkel jm. J Steroid Biochem Mol Biol. 2017 Oct;173:117-121. doi: 10.1016/j.jsbmb.2016.12.002. Epub 2016 Dec 12. J Steroid Biochem Mol Biol. 2017. PMID: 27979577 Review.
Development of an Improved Standard Reference Material for Vitamin D Metabolites in Human Serum.
Phinney KW, Tai SS, Bedner M, Camara JE, Chia RRC, Sander LC, Sharpless KE, Wise SA, Yen JH, Schleicher RL, Chaudhary-Webb M, Maw KL, Rahmani Y, Betz JM, Merkel J, Sempos CT, Coates PM, Durazo-Arvizu RA, Sarafin K, Brooks SPJ. Phinney KW, et al. Among authors: merkel j. Anal Chem. 2017 May 2;89(9):4907-4913. doi: 10.1021/acs.analchem.6b05168. Epub 2017 Apr 13. Anal Chem. 2017. PMID: 28375002 Free PMC article.
Baseline Assessment of 25-Hydroxyvitamin D Reference Material and Proficiency Testing/External Quality Assurance Material Commutability: A Vitamin D Standardization Program Study.
Phinney KW, Sempos CT, Tai SS, Camara JE, Wise SA, Eckfeldt JH, Hoofnagle AN, Carter GD, Jones J, Myers GL, Durazo-Arvizu R, Miller WG, Bachmann LM, Young IS, Pettit J, Caldwell G, Liu A, Brooks SPJ, Sarafin K, Thamm M, Mensink GBM, Busch M, Rabenberg M, Cashman KD, Kiely M, Galvin K, Zhang JY, Kinsella M, Oh K, Lee SW, Jung CL, Cox L, Goldberg G, Guberg K, Meadows S, Prentice A, Tian L, Brannon PM, Lucas RM, Crump PM, Cavalier E, Merkel J, Betz JM. Phinney KW, et al. Among authors: merkel j. J AOAC Int. 2017 Sep 1;100(5):1288-1293. doi: 10.5740/jaoacint.17-0291. Epub 2017 Aug 10. J AOAC Int. 2017. PMID: 28797319
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