Publications by authors named "Graham D Carter"

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Assessment of serum total 25-hydroxyvitamin D assays for Vitamin D External Quality Assessment Scheme (DEQAS) materials distributed at ambient and frozen conditions.
Christopher T Sempos, Emma L Williams, Graham D Carter, Julia Jones, Johanna E Camara

Anal Bioanal Chem· January 2022

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Assessment of serum total 25-hydroxyvitamin D assay commutability of Standard Reference Materials and College of American Pathologists Accuracy-Based Vitamin D (ABVD) Scheme and Vitamin D External Quality Assessment Scheme (DEQAS) materials: Vitamin D Standardization Program (VDSP) Commutability Study 2.
Johanna E Camara, Stephen A Wise, Andrew N Hoofnagle, Emma L Williams, Graham D Carter

Anal Bioanal Chem· August 2021

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Toward Clarity in Clinical Vitamin D Status Assessment: 25(OH)D Assay Standardization.
Neil Binkley, Graham D Carter

Endocrinol Metab Clin North Am· December 2017

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Interlaboratory Comparison for the Determination of 24,25-Dihydroxyvitamin D₃ in Human Serum Using Liquid Chromatography with Tandem Mass Spectrometry.
Stephen A Wise, Susan S-C Tai, Michael A Nelson, Carolyn Q Burdette, Johanna E Camara, Graham D Carter

J AOAC Int· September 2017

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General Steps to Standardize the Laboratory Measurement of Serum Total 25-Hydroxyvitamin D.
Christopher T Sempos, Joseph M Betz, Johanna E Camara, Graham D Carter, Etienne Cavalier

J AOAC Int· September 2017

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Baseline Assessment of 25-Hydroxyvitamin D Reference Material and Proficiency Testing/External Quality Assurance Material Commutability: A Vitamin D Standardization Program Study.
Karen W Phinney, Christopher T Sempos, Susan S-C Tai, Johanna E Camara, Stephen A Wise, Graham D Carter

J AOAC Int· September 2017

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Baseline Assessment of 25-Hydroxyvitamin D Assay Performance: A Vitamin D Standardization Program (VDSP) Interlaboratory Comparison Study.
Stephen A Wise, Karen W Phinney, Susan S-C Tai, Johanna E Camara, Gary L Myers, Graham D Carter

J AOAC Int· September 2017

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Establishing an Accuracy Basis for the Vitamin D External Quality Assessment Scheme (DEQAS).
Carolyn Q Burdette, Johanna E Camara, Federica Nalin, Jeanita Pritchett, Lane C Sander, Graham D Carter

J AOAC Int· September 2017

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Significance of serum 24,25-dihydroxyvitamin D in the assessment of vitamin D status: a double-edged sword?
Kevin D Cashman, Aoife Hayes, Karen Galvin, Joyce Merkel, Glenville Jones, Graham D Carter

Clin Chem· April 2015

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Assessing vitamin D status: time for a rethink?
Graham D Carter, Karen W Phinney

Clin Chem· June 2014

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Studies on the analysis of 25-hydroxyvitamin D(3) by isotope-dilution liquid chromatography-tandem mass spectrometry using enzyme-assisted derivatisation.
Jonas Abdel-Khalik, Peter J Crick, Graham D Carter, Hugh L Makin, Yuqin Wang

Biochem Biophys Res Commun· April 2014

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25-hydroxyvitamin D: a difficult analyte.
Graham D Carter

Clin Chem· March 2012

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

Curr Drug Targets· January 2011

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25-Hydroxyvitamin D assays: the quest for accuracy.
Graham D Carter

Clin Chem· July 2009

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Use of a common standard improves the performance of liquid chromatography-tandem mass spectrometry methods for serum 25-hydroxyvitamin-D.
Graham D Carter, Julia C Jones

Ann Clin Biochem· January 2009

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How accurate are assays for 25-hydroxyvitamin D? Data from the international vitamin D external quality assessment scheme.
Graham D Carter, Richard Carter, Julia Jones, Jacqueline Berry

Clin Chem· November 2004

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