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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yang, Sung-Yi Lei, Huan-Yao Lien, Kang-Yi Huang, Kao-Jean Lee, Gwo-Bin |
| Description | Country affiliation: Taiwan Author Affiliation: Yang SY ( Department of Engineering Science, National Cheng Kung University, 1 University Road, Tainan 701, Taiwan.) |
| Abstract | The current study presents a new miniature microfluidic flow cytometer integrated with several functional micro-devices capable of viral sample purification and detection by utilizing a magnetic bead-based immunoassay. The magnetic beads were conjugated with specific antibodies, which can recognize and capture target viruses. Another dye-labeled anti-virus antibody was then used to mark the bead-bound virus for the subsequent optical detection. Several essential components were integrated onto a single chip including a sample incubation module, a micro flow cytometry module and an optical detection module. The sample incubation module consisting of pneumatic micropumps and a membrane-type, active micromixer was used for purifying and enriching the target virus-bound magnetic beads with the aid of a permanent magnet. The micro flow cytometry module and the optical detection module were used to perform the functions of virus counting and collection. Experimental results showed that virus samples with a concentration of 10(3)PFU/ml can be automatically detected successfully by the developed system. In addition, the entire diagnosis procedure including sample incubation and virus detection took only about 40min. Consequently, the proposed micro flow cytometry may provide a powerful platform for rapid diagnosis and future biological applications. |
| ISSN | 09565663 |
| Issue Number | 4 |
| Volume Number | 24 |
| e-ISSN | 18734235 |
| Journal | Biosensors and Bioelectronics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2008-12-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cell Separation Instrumentation Immunoassay Immunomagnetic Separation Microfluidic Analytical Techniques Viruses Immunology Isolation & Purification Equipment Design Equipment Failure Analysis Journal Article Research Support, Non-u.s. Gov't Discipline Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Medicine Biophysics Biomedical Engineering Biotechnology Electrochemistry |
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