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Journal Article
Detection of Two Different Influenza A Viruses Using a Nitrocellulose Membrane and a Magnetic Biosensor
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- Authors
- Hyo-Bong Hong, Hans-Joachim Krause, Ki-Bong Song, Chel-Jong Choi, Myung-Ae Chung, Sung-won Son, Andreas Offenhausser
- Issue Date
- 2011-02
- Citation
- Journal of Immunological Methods, v.365, no.1-2, pp.95-100
- ISSN
- 0022-1759
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- Here we describe a new analytical method for the detection of two influenza A viruses by nitrocellulose membrane and magnetic sensors that employ a special frequency mixing technique. The combination of the nitrocellulose membrane and magnetic bead detection permits a rapid assay procedure and excludes two steps (the development of color and the stop reaction) required for usual immunochemical detection methods such as ELISA. Quantitative virus detection was performed using magnetic beads conjugated with secondary antibody. The results were compared with conventional assay methods and with a dot-blot assay with fluorescence compound (FITC). Under optimum conditions, our new assay procedure is capable of detecting picograms of virus per well. This new method combining the nitrocellulose membrane and magnetic bead detection reduces analytical time and allows stable and repeatable analyses of samples in point-of-care applications. © 2010 Elsevier B.V.
- KSP Keywords
- Analytical Method, Assay methods, Detection Method, Fluorescence compound, Influenza A(H1N1), Influenza A viruses, Magnetic beads(MBs), Magnetic biosensor, Magnetic sensor, Mixing technique, Nitrocellulose membrane