{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Camara JE"],"funding":["Intramural NIH HHS","National Institutes of Health"],"pagination":["5067-5084"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8431775"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["413(20)"],"pubmed_abstract":["An interlaboratory study was conducted through the Vitamin D Standardization Program (VDSP) to assess commutability of Standard Reference Materials® (SRMs) and proficiency testing/external quality assessment (PT/EQA) samples for determination of serum total 25-hydroxyvitamin D [25(OH)D] using ligand binding assays and liquid chromatography-tandem mass spectrometry (LC-MS/MS). A set of 50 single-donor serum samples were assigned target values for 25-hydroxyvitamin D<sub>2</sub> [25(OH)D<sub>2</sub>] and 25-hydroxyvitamin D<sub>3</sub> [25(OH)D<sub>3</sub>] using reference measurement procedures (RMPs). SRM and PT/EQA samples evaluated included SRM 972a (four levels), SRM 2973, six College of American Pathologists (CAP) Accuracy-Based Vitamin D (ABVD) samples, and nine Vitamin D External Qua"],"journal":["Analytical and bioanalytical chemistry"],"pubmed_title":["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."],"pmcid":["PMC8431775"],"funding_grant_id":["Z99 OD999999"],"pubmed_authors":["Pham H","Simpson C","Carter GD","Khan DA","Cavalier E","Batista MC","Holmquist B","Parker N","Popp C","Kuszak AJ","Tourneur C","Ho CS","Freeman J","Meadows S","Fischer R","Simard JN","Fitzgerald R","Merkel J","Mushtaq S","Yuan J","Breen N","Villarreal A","Jones J","Pease C","Beckert C","Camara JE","Hoofnagle AN","Sempos CT","Wise SA","Law EWK","Williams EL","Clarke MW","Nalin F","Robyak K","Schultess J","Lukas P","Kilbane M","Bennett A","Hahm G","Gonthier R","Jansen E","Burdette CQ","Creer MH","Van Slooten G","van den Ouweland JMW","Durazo-Arvizu RA","Kaul R","Ivison F","Cox L","Twomey PJ"],"additional_accession":[]},"is_claimable":false,"name":"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.","description":"An interlaboratory study was conducted through the Vitamin D Standardization Program (VDSP) to assess commutability of Standard Reference Materials® (SRMs) and proficiency testing/external quality assessment (PT/EQA) samples for determination of serum total 25-hydroxyvitamin D [25(OH)D] using ligand binding assays and liquid chromatography-tandem mass spectrometry (LC-MS/MS). A set of 50 single-donor serum samples were assigned target values for 25-hydroxyvitamin D<sub>2</sub> [25(OH)D<sub>2</sub>] and 25-hydroxyvitamin D<sub>3</sub> [25(OH)D<sub>3</sub>] using reference measurement procedures (RMPs). SRM and PT/EQA samples evaluated included SRM 972a (four levels), SRM 2973, six College of American Pathologists (CAP) Accuracy-Based Vitamin D (ABVD) samples, and nine Vitamin D External Qua","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Aug","modification":"2025-04-04T09:37:02.955Z","creation":"2025-04-04T09:37:02.955Z"},"accession":"S-EPMC8431775","cross_references":{"pubmed":["34184102"],"doi":["10.1007/s00216-021-03470-w"]}}