Microfabricated Device for Rapid Impedance Measurements on Single Biological Cells

Holmes, David, Neal, Becky, Green, Nicolas G and Morgan, Hywel (2004) Microfabricated Device for Rapid Impedance Measurements on Single Biological Cells. In, 15th MicroMechanics Europe Workshop, Leuven , Belgium, 07 - 05 Sep 2004. , 195-198.


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A microfluidic chip for performing impedance measurements on micron-sized particles is presented. The device consists of micro-electrodes patterned onto pyrex glass wafers and a microfluidic channel formed in PDMS, cast using a dry-etched silicon wafer as a master. The PDMS channel was positioned over the electrodes to form a channel to contain the sample. The system is capable of performing impedance measurements at a number of spot frequencies allowing the dielectric characteristics of large numbers of individual particles to be obtained in a matter of seconds.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Event Dates: 5-7th September 2004
ISBNs: 9056825356
Keywords: microfluidics, impedance, cells, dielectric spectroscopy
Divisions : Faculty of Physical Sciences and Engineering > Electronics and Computer Science > NANO
ePrint ID: 260009
Accepted Date and Publication Date:
Date Deposited: 07 Oct 2004
Last Modified: 31 Mar 2016 14:01
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/260009

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