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Selective isolation of live/dead cells using contactless dielectrophoresis (cDEP)

Shafiee, Hadi, Sano, Michael B, Henslee, Erin and Caldwell, John L (2010) Selective isolation of live/dead cells using contactless dielectrophoresis (cDEP) Lab on a Chip, 10 (4). pp. 438-445.

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Abstract

Contactless dielectrophoresis (cDEP) is a recently developed method of cell manipulation in which the electrodes are physically isolated from the sample. Here we present two microfluidic devices capable of selectively isolating live human leukemia cells from dead cells utilizing their electrical signatures. The effect of different voltages and frequencies on the gradient of the electric field and device performance was investigated numerically and validated experimentally. With these prototype devices we were able to achieve greater than 95% removal efficiency at 0.2–0.5 mm s−1 with 100% selectivity between live and dead cells. In conjunction with enrichment, cDEP could be integrated with other technologies to yield fully automated lab-on-a-chip systems capable of sensing, sorting, and identifying rare cells.

Item Type: Article
Divisions : Researcher Development Programme
Authors :
NameEmailORCID
Shafiee, HadiUNSPECIFIEDUNSPECIFIED
Sano, Michael BUNSPECIFIEDUNSPECIFIED
Henslee, Erine.henslee@surrey.ac.ukUNSPECIFIED
Caldwell, John LUNSPECIFIEDUNSPECIFIED
Date : 19 January 2010
Copyright Disclaimer : © The Royal Society of Chemistry 2010
Depositing User : Jane Hindle
Date Deposited : 27 Jun 2017 14:57
Last Modified : 27 Jun 2017 14:57
URI: http://epubs.surrey.ac.uk/id/eprint/841495

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