Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

132 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Assessment of serum total 25-hydroxyvitamin D assays for Vitamin D External Quality Assessment Scheme (DEQAS) materials distributed at ambient and frozen conditions.
Sempos CT, Williams EL, Carter GD, Jones J, Camara JE, Burdette CQ, Hahm G, Nalin F, Duewer DL, Kuszak AJ, Merkel J, Hoofnagle AN, Lukas P, Cavalier É, Durazo-Arvizu RA, Crump PM, Popp C, Beckert C, Schultess J, Van Slooten G, Tourneur C, Pease C, Kaul R, Villarreal A, Ivison F, Fischer R, van den Ouweland JMW, Ho CS, Law EWK, Simard JN, Gonthier R, Holmquist B, Batista MC, Meadows S, Cox L, Jansen E, Khan DA, Robyak K, Creer MH, Kilbane M, Twomey PJ, Freeman J, Parker N, Yuan J, Fitzgerald R, Mushtaq S, Clarke MW, Breen N, Simpson C, Wise SA. Sempos CT, et al. Among authors: twomey pj. Anal Bioanal Chem. 2022 Jan;414(2):1015-1028. doi: 10.1007/s00216-021-03742-5. Epub 2021 Nov 9. Anal Bioanal Chem. 2022. PMID: 34750644
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. Carter GD, et al. J Steroid Biochem Mol Biol. 2018 Mar;177:30-35. doi: 10.1016/j.jsbmb.2017.07.018. Epub 2017 Jul 20. J Steroid Biochem Mol Biol. 2018. PMID: 28734989 Review.
External Quality Assessment of 24,25-dihydroxyvitamin D3 (24,25(OH)2D3) assays.
Carter GD, Ahmed F, Berry J, Cavalier E, Durazo-Arvizu R, Gunter E, Jones G, Jones J, Phinney K, Sempos CT, Twomey PJ, Williams EL, Wise SA. Carter GD, et al. Among authors: twomey pj. J Steroid Biochem Mol Biol. 2019 Mar;187:130-133. doi: 10.1016/j.jsbmb.2018.11.010. Epub 2018 Nov 23. J Steroid Biochem Mol Biol. 2019. PMID: 30476591
Estimating uncertainty of target values for DEQAS serum materials.
Durazo-Arvizu RA, Ahmed F, Berry J, Cavalier E, Gunter E, Jones G, Jones J, Sempos CT, Twomey PJ, Williams EL, Carter GD. Durazo-Arvizu RA, et al. Among authors: twomey pj. J Steroid Biochem Mol Biol. 2019 Apr;188:90-94. doi: 10.1016/j.jsbmb.2018.12.011. Epub 2019 Jan 9. J Steroid Biochem Mol Biol. 2019. PMID: 30639316 Free PMC article.
132 results