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Updated: Jun 2, 2026

qPCR Is a Sensitive and Rapid Method for Detection of Cytomegaloviral DNA in Formalin-fixed, Paraffin-embedded Biopsy Tissue
Published on: July 9, 2014
Cytomegalovirus DNA quantification using an automated platform for nucleic acid extraction and real-time PCR assay
Michael Forman1, Andy Wilson, Alexandra Valsamakis
1The Johns Hopkins Medical Institutions, Division of Microbiology, Baltimore, Maryland, USA. mformaa@jhmi.edu
Abstract:
Analytical performance characteristics of the QIAsymphony RGQ system with artus cytomegalovirus (CMV) reagents were determined. Measurable range spanned 2.0 to ≥ 7.0 log(10) copies/ml. The detection limit was 23 copies/ml. Intrarun and interrun coefficients of variation were ≤ 2.1% at 3.0 and 5.0 log(10) copies/ml. In clinical specimens, RGQ values were ~0.2 log(10) copies/ml higher than those in an assay using a BioRobot M48 extraction/manual reaction setup/7500 Real-Time PCR instrument. No cross-contamination was observed.
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