Evaluation of pressure changes for capillary and fishbone valves in Lab-on-CD systems
This paper describes an investigation in Capillary and Fishbone valves as controlling medium of liquid flow for microdevices and diagnosis methods like Enzymed Linked Immonusorbent Assays (ELISA). Numerical simulation by MATLAB programming was employed to predict the pressure gradient at the Capilla...
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| Main Authors: | , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2009
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/9295/1/Evaluation_of_pressure_changes_for_capillary_and_fishbone_valves_in_Lab-on-CD_systems_-_Copy.pdf http://eprints.um.edu.my/9295/ http://www.scopus.com/inward/record.url?eid=2-s2.0-77950997516&partnerID=40&md5=fd271cf22c9a41adf68eb893b6f76d95 ieeexplore.ieee.org/xpls/absall.jsp?arnumber=5412057 |
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| Summary: | This paper describes an investigation in Capillary and Fishbone valves as controlling medium of liquid flow for microdevices and diagnosis methods like Enzymed Linked Immonusorbent Assays (ELISA). Numerical simulation by MATLAB programming was employed to predict the pressure gradient at the Capillary valve expansion part and Fishbone valve section. The analysis results of pressure gradient versus channel width values depicted that an increase in the width of channel leads to a decrease in the pressure gradient. While an increase in Surface tension raises up the required pressure gradient for both valves. Pressure gradient sensitivity to contact angle between liquid and gas in the Capillary valve is more than the Fishbone valve. |
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