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| Hauptseite > Publikationsdatenbank > Magnetic biosensor for the detection of Yersinia pestis |
| Hauptseite > Publikationsdatenbank > Magnetic biosensor for the detection of Yersinia pestis |
| Journal Article | PreJuSER-57204 |
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2007
Elsevier
New York, NY
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Please use a persistent id in citations: doi:10.1016/j.mimet.2006.08.004
Abstract: A novel type of magnetic-beads based magnetic biosensor is described for the detection of Yersinia pestis. Experiments were performed with the antigen fraction F1 of these bacteria. The magnetic sensor platform offers easy and reliable detection of Y. pestis by the use of magnetic beads for labelling and quantification in a single step due to their paramagnetic features. The system uses antiYPF1 antibodies as capture element on ABICAP columns as core element of the magnetic sensor. Several immobilization methods for antibodies on polyethylene were exploited. The established biosensor has a linear detection range of 25-300 ng/ml Y. pestis antigen F1 and a detection limit of 2.5 ng/ml in buffer and human blood serum. The presented sensor system is small, simple, portable and therefore usable as off-lab detection unit for medical and warfare analytes.
Keyword(s): Animals (MeSH) ; Antibodies, Bacterial: chemistry (MeSH) ; Antigens, Bacterial: blood (MeSH) ; Biosensing Techniques: instrumentation (MeSH) ; Biosensing Techniques: methods (MeSH) ; Cell Line (MeSH) ; Immunomagnetic Separation: instrumentation (MeSH) ; Immunomagnetic Separation: methods (MeSH) ; Mice (MeSH) ; Plague: microbiology (MeSH) ; Yersinia pestis: isolation & purification (MeSH) ; Antibodies, Bacterial ; Antigens, Bacterial ; J ; Yersinia pestis (auto) ; antiYPF1 (auto) ; magnetic detection (auto) ; magnetic beads (auto)
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