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Design and fabrication of a micro Coulter counter with thin film electrodes

Zheng, Siyang and Tai, Yu-Chong (2006) Design and fabrication of a micro Coulter counter with thin film electrodes. In: International Conference on Microtechnologies in Medicine and Biology, Okinawa, 9-12 May 2006. IEEE , Piscataway, NJ, pp. 16-19. ISBN 1424403383. http://resolver.caltech.edu/CaltechAUTHORS:ZHEmmb06

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Abstract

We report a new approach for micro Coulter counter with thin film electrodes. Traditional Coulter counter measures DC resistance change to sense particles passing through an aperture between two flow chambers. One of the, biggest challenges to miniaturize the device is to overcome the large resistance encountered. We propose a new approach to use thin film metal electrodes in micron size range for sensing. Resolution can be improved and it's easy for system integration. A device based on this approach was built and tested.


Item Type:Book Section
ORCID:
AuthorORCID
Tai, Yu-Chong0000-0001-8529-106X
Additional Information:© 2006 IEEE. Reprinted with Permission. Publication Date: 9-12 May 2006. Posted online: 2007-07-30. This work is supported by NASA through National Space Biomedical Research Institute (NSBRI). The co-operative agreement number is NCC 9-58-317.
Subject Keywords:Coulter counter; thin film meta electrodes; impedance; particle sensing; bioMEMS; biomedical equipment; biomedical measurement; blood; microelectrodes; thin film sensors; DC resistance measurement; MEMS device design; flow chamber; micro Coulter counter fabrication
Record Number:CaltechAUTHORS:ZHEmmb06
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ZHEmmb06
Alternative URL:http://dx.doi.org/10.1109/MMB.2006.251479
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9978
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:01 Apr 2008
Last Modified:15 May 2017 22:40

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