TITLE

A mean field approach to many-particles effects in dielectrophoresis

AUTHOR(S)
Nicotra, O. E.; La Magna, A.; Coffa, S.
PUB. DATE
November 2008
SOURCE
Applied Physics Letters;11/10/2008, Vol. 93 Issue 19, p193902
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
One of the major applications of the dielectrophoresis is selective trapping and fractionation in lab-on-a-chip devices. Nevertheless, many-particles effects due to high concentration of biological material around electrodes can cause a rapid decrease in trapping efficiency in dielectrophoretic devices. In this paper we present an approach based on a drift-diffusion dynamics to study the particles behavior near electrodes surroundings. Within this approach, we introduce many-particles effects by invoking the effective medium approximation, electrodes can saturate losing their capability to attract further particles and thus leading to a more realistic scenario never shown in past literature.
ACCESSION #
35514257

 

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