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Items: 1 to 20 of 59

1.

Toward Clarity in Clinical Vitamin D Status Assessment: 25(OH)D Assay Standardization.

Binkley N, Carter GD.

Endocrinol Metab Clin North Am. 2017 Dec;46(4):885-899. doi: 10.1016/j.ecl.2017.07.012. Epub 2017 Sep 29. Review.

PMID:
29080641
2.

Establishing an Accuracy Basis for the Vitamin D External Quality Assessment Scheme (DEQAS).

Burdette CQ, Camara JE, Nalin F, Pritchett J, Sander LC, Carter GD, Jones J, Betz JM, Sempos CT, Wise SA.

J AOAC Int. 2017 Sep 1;100(5):1277-1287. doi: 10.5740/jaoacint.17-0306. Epub 2017 Aug 29.

PMID:
28847346
3.

Baseline Assessment of 25-Hydroxyvitamin D Assay Performance: A Vitamin D Standardization Program (VDSP) Interlaboratory Comparison Study.

Wise SA, Phinney KW, Tai SS, Camara JE, Myers GL, Durazo-Arvizu R, Tian L, Hoofnagle AN, 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, Kinsella M, Galvin K, Zhang JY, Oh K, Lee SW, Jung CL, Cox L, Goldberg G, Guberg K, Prentice A, Carter GD, Jones J, Brannon PM, Lucas RM, Crump PM, Cavalier E, Merkel J, Betz JM, Sempos CT.

J AOAC Int. 2017 Sep 1;100(5):1244-1252. doi: 10.5740/jaoacint.17-0258. Epub 2017 Aug 19.

PMID:
28822355
4.

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.

J AOAC Int. 2017 Sep 1;100(5):1288-1293. doi: 10.5740/jaoacint.17-0291. Epub 2017 Aug 10.

PMID:
28797319
5.

General Steps to Standardize the Laboratory Measurement of Serum Total 25-Hydroxyvitamin D.

Sempos CT, Betz JM, Camara JE, Carter GD, Cavalier E, Clarke MW, Dowling KG, Durazo-Arvizu RA, Hoofnagle AN, Liu A, Phinney KW, Sarafin K, Wise SA, Coates PM.

J AOAC Int. 2017 Sep 1;100(5):1230-1233. doi: 10.5740/jaoacint.17-0259. Epub 2017 Aug 1.

PMID:
28766476
6.

Interlaboratory Comparison for the Determination of 24,25-Dihydroxyvitamin D₃ in Human Serum Using Liquid Chromatography with Tandem Mass Spectrometry.

Wise SA, Tai SS, Nelson MA, Burdette CQ, Camara JE, Hoofnagle AN, Laha TJ, Carter GD, Jones J, Williams EL, Barclay ZJ, Jones G, Kaufmann M, Binkley N, Kapoor A, Ziegler T, Cashman KD, Dowling KG, Sempos CT.

J AOAC Int. 2017 Sep 1;100(5):1308-1317. doi: 10.5740/jaoacint.17-0183. Epub 2017 Jul 24.

PMID:
28741469
7.

Hydroxyvitamin D assays: An historical perspective from DEQAS.

Carter GD, Berry J, Durazo-Arvizu R, Gunter E, Jones G, Jones J, Makin HLJ, Pattni P, Sempos CT, Twomey P, Williams EL, Wise SA.

J Steroid Biochem Mol Biol. 2017 Jul 20. pii: S0960-0760(17)30183-8. doi: 10.1016/j.jsbmb.2017.07.018. [Epub ahead of print] Review.

PMID:
28734989
8.

Cost effective measures to standardize serum 25(OH)D values from completed studies.

Sempos CT, Durazo-Arvizu RA, Carter GD.

Osteoporos Int. 2017 May;28(5):1503-1505. doi: 10.1007/s00198-017-3978-3. Epub 2017 Mar 20. No abstract available.

PMID:
28321505
9.

Quality assessment of vitamin D metabolite assays used by clinical and research laboratories.

Carter GD, Berry J, Durazo-Arvizu R, Gunter E, Jones G, Jones J, Makin HLJ, Pattni P, Phinney KW, Sempos CT, Williams EL.

J Steroid Biochem Mol Biol. 2017 Oct;173:100-104. doi: 10.1016/j.jsbmb.2017.03.010. Epub 2017 Mar 15.

PMID:
28315391
10.

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.

J Steroid Biochem Mol Biol. 2017 Oct;173:117-121. doi: 10.1016/j.jsbmb.2016.12.002. Epub 2016 Dec 12. Review.

PMID:
27979577
11.

25-Hydroxyvitamin D assays: Potential interference from other circulating vitamin D metabolites.

Carter GD, Jones JC, Shannon J, Williams EL, Jones G, Kaufmann M, Sempos C.

J Steroid Biochem Mol Biol. 2016 Nov;164:134-138. doi: 10.1016/j.jsbmb.2015.12.018. Epub 2015 Dec 21.

PMID:
26718874
12.

Developing vitamin D dietary guidelines and the lack of 25-hydroxyvitamin D assay standardization: The ever-present past.

Sempos CT, Durazo-Arvizu RA, Binkley N, Jones J, Merkel JM, Carter GD.

J Steroid Biochem Mol Biol. 2016 Nov;164:115-119. doi: 10.1016/j.jsbmb.2015.08.027. Epub 2015 Aug 28. Review.

PMID:
26321386
13.

Significance of serum 24,25-dihydroxyvitamin D in the assessment of vitamin D status: a double-edged sword?

Cashman KD, Hayes A, Galvin K, Merkel J, Jones G, Kaufmann M, Hoofnagle AN, Carter GD, Durazo-Arvizu RA, Sempos CT.

Clin Chem. 2015 Apr;61(4):636-45. doi: 10.1373/clinchem.2014.234955. Epub 2015 Feb 20.

14.

Automated immunoassays for 25-hydroxyvitamin D (25-OHD): do plasticisers interfere?

Carter GD, Jones J, Ketheeswaran M, Shannon J, Singh B, Kearney E, Berry JL.

J Steroid Biochem Mol Biol. 2015 Apr;148:38-40. doi: 10.1016/j.jsbmb.2014.11.008. Epub 2014 Nov 13. Review.

PMID:
25448742
15.

Assessing vitamin D status: time for a rethink?

Carter GD, Phinney KW.

Clin Chem. 2014 Jun;60(6):809-11. doi: 10.1373/clinchem.2013.219386. Epub 2014 Feb 19. No abstract available.

16.

Studies on the analysis of 25-hydroxyvitamin D(3) by isotope-dilution liquid chromatography-tandem mass spectrometry using enzyme-assisted derivatisation.

Abdel-Khalik J, Crick PJ, Carter GD, Makin HL, Wang Y, Griffiths WJ.

Biochem Biophys Res Commun. 2014 Apr 11;446(3):745-50. doi: 10.1016/j.bbrc.2014.01.088. Epub 2014 Jan 30.

17.

Vitamin D status as an international issue: national surveys and the problem of standardization.

Sempos CT, Vesper HW, Phinney KW, Thienpont LM, Coates PM; Vitamin D Standardization Program (VDSP).

Scand J Clin Lab Invest Suppl. 2012;243:32-40. doi: 10.3109/00365513.2012.681935.

PMID:
22536760
18.

25-hydroxyvitamin D: a difficult analyte.

Carter GD.

Clin Chem. 2012 Mar;58(3):486-8. doi: 10.1373/clinchem.2011.180562. Epub 2012 Jan 11. No abstract available.

19.

Accuracy of 25-hydroxyvitamin D assays: confronting the issues.

Carter GD.

Curr Drug Targets. 2011 Jan;12(1):19-28. Review.

PMID:
20795940
20.

Proficiency testing of 25-hydroxyvitamin D (25-OHD) assays.

Carter GD, Berry JL, Gunter E, Jones G, Jones JC, Makin HL, Sufi S, Wheeler MJ.

J Steroid Biochem Mol Biol. 2010 Jul;121(1-2):176-9. doi: 10.1016/j.jsbmb.2010.03.033. Epub 2010 Mar 17.

PMID:
20302938

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