Journal
CLINICAL BIOCHEMISTRY
Volume 48, Issue 9, Pages 603-608Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.clinbiochem.2015.01.009
Keywords
Rubella virus; Cytomegalovirus; IgM; Dual-TRFIA
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Funding
- National Science and Technology Major Project [2013ZX10004-803]
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Objectives: This study established a novel time-resolved fluorescence immunoassay (TRFIA) that allows the simultaneous determination of rubella virus (RV) IgM and cytomegalovirus (CMV) IgM in human serum. Design and methods: Lanthanum elements labeled antibody and streptavidin-biotin system were used in the capture sandwich format simultaneously. Results: The working range of TRFIA for RV IgM was 2-80 AU/mL and for CMV IgMwas 5-400 AU/mL. Intra-and inter-assay coefficient of variation (CV) for RV IgM and CMV IgM were both less than 10% and recoveries were from 90% to 110%. No significant statistical difference in sensitivity or specificity was observed between dual-TRFIA and commercial chemiluminescent immunoassays (CLIA) in serum samples. Conclusion: The novel dual-TRFIA for RV IgM and CMV IgM detection might have valuable clinical application, with satisfactory sensitivity, specificity and accuracy. (C) 2015 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.
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