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The National Institutes of Health (NIH) Office of Dietary Supplements (ODS) established the Vitamin D Standardization Program (VDSP) in November 2010.
EDI's VDSP certification confirms the quality and reliability in the EDI[TM] Total 25-OH Vitamin D EIA Kit.
To overcome the problem of variability between different 25-OH Vitamin D methods, the VDSP was established in 2010.
In addition, the Vitamin D Research Group is a participant in the VDSP (13) and is certified by the CDC's Vitamin D Standardization Certification Program (19).
We support the view of the VDSP that further priority research is needed to gain a better understanding of the contribution of 24,25[(OH).sub.2][D.sub.3] to 25(OH)D measurement (14), but also believe this additional research should explore the additional benefit, if any, of 24,25[(OH).sub.2][D.sub.3] and its molar ratios with 25(OH)D in terms of informing vitamin D status.
(14.) Binkley N, Sempos CT; for the Vitamin D Standardization Program (VDSP).
(This version of the assay is not currently available commercially in all regions, including the USA.) The Ghent University is a reference laboratory for the Vitamin D Standardization Program (VDSP).
The ADVIA Centaur Vitamin D Total assay in the present study differed from the assay in the previous study in that it has a different standardization; this version is standardized with internal standards traceable to the NIST-Ghent VDSP RMP.
Standardized abalone recruitment modules (ARMs) were deployed at Van Damme State Park (VDSP) (lat.
VDSP is a popular and productive recreational abalone diving site dominated by rocky reef with seasonally abundant Nereocystis kelp canopy, a subcanopy of Pterogophora and numerous subtidal red algae including Cryptopleura, Gigartina, and Iridaea.
The ADVIA Centaur Vitamin D Total Assay from Siemens Healthcare Diagnostics is a fully equimolar, automated total 25(OH) vitamin D (~100% D2 and D3) assay employing a proprietary monoclonal with minimal 1.1% 3-epi-25(OH) vitamin D3 cross-reactivity aligned to the ID-LC/MS/MS 25(OH) vitamin D Reference Measurement Procedure (RMP), the reference procedure for the Vitamin D Standardization Program (VDSP).
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- VDSL Overhead Control Channel
- VDSL Transceiver Unit
- VDSL Transceiver Unit - Central
- VDSL Transceiver Unit - Remote Terminal
- VDSL Transceiver Unit at the Optical Network Unit
- VDT radiation