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Journal of Liquid Chromatography & Related Technologies Volume 23, 2000 - Issue 1
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Original Articles

MICRODEVICE FOR CELL AND PARTICLE SEPARATION USING DIELECTROPHORETIC FIELD-FLOW FRACTIONATION

Torsten Müller Institut für Biologie, Humboldt-Universität zu Berlin, Invalidenstr. 42, Berlin, D-10115, Germany
,
Thomas Schnelle
,
Gabriele Gradl
,
Stephen G. Shirley
&
Günter Fuhr Institut für Biologie, Humboldt-Universität zu Berlin, Invalidenstr. 42, Berlin, D-10115, Germany
Pages 47-59 | Received 25 May 1999, Accepted 27 Jul 1999, Published online: 19 Aug 2006
 
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Abstract

We describe the use of a micro system for dielectrophoretic field flow fractionation (DFFF) of particles and cells. Micro-objects are separated on the basis of differences in size and/or passive dielectric properties, respectively. Bow-like strip electrode pairs have been proven to be the most effective separation systems.

ACKNOWLEDGMENTS

We thank Dr. S. Howitz (GeSIM GmbH, Groβserkmannsdorf) for fabrication of micro structures. This work was supported by EVOTEC BioSystems AG (Hamburg).

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