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http://dx.doi.org/10.1515/cclm-2020-0412 | DOI Listing |
Clin Chem Lab Med
October 2020
Department of Clinical Chemistry and Department of Internal Medicine, Erasmus Medical Centre, Room Na408, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands.
Public Health Nutr
May 2020
Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Postboks 6050 Langnes 9037, Tromsø, Norway.
Objective: To investigate serum 25-hydroxyvitamin D (S-25(OH)D) concentration in a multi-ethnic population of northern Norway and determine predictors of S-25(OH)D, including Sami ethnicity.
Design: Cross-sectional data from the second survey of the Population-based Study on Health and Living Conditions in Regions with Sami and Norwegian Populations (the SAMINOR 2 Clinical Survey, 2012-2014). S-25(OH)D was measured by the IDS-iSYS 25-Hydroxy Vitamin Dˢ assay.
Clin Chem Lab Med
October 2018
Bioanalytical Laboratory, PRA Health Sciences, Amerikaweg 18, 9407 TK Assen, The Netherlands.
Background: Insulin-like growth factor 1 (IGF1) is a biomarker with various applications in medicine and also in doping control.
Methods: A liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed that employs 15N-IGF1 as an internal standard. The method features urea-based IGF1/IGFBP-complex dissociation which is directly followed by tryptic digestion.
Clin Chem
March 2012
Laverty Pathology, North Ryde, New South Wales, Australia.
Background: Vitamin D testing is increasing worldwide. Recently several diagnostic manufacturers including Abbott and Siemens have launched automated 25-hydroxy vitamin D (25OH-D) immunoassays. Furthermore, preexisting assays from DiaSorin and Roche have recently been modified.
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