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Open Access item Control of particles in micro-electrode devices

Authors:Tuval, Idan
Mezić, Igor
Bottausci, Frédéric
Zhang, Yanting T.
MacDonald, Noel C.
Piro, Oreste
Keywords:Electrophoresis, Convection, Microfluidics, [PACS] Particle dynamics in rheology, [PACS] Nonlinear dynamics and nonlinear dynamical systems, [PACS] Micro- and nano-electromechanical systems (MEMS/NEMS) and devices
Issue Date:1-Dec-2005
Publisher:American Physical Society
Citation:Physical Review Letters 95, 236002 (2005)
Abstract:The impact of the convective fluid motion induced by the electric fields on the dielectrophoretic manipulation of particles is investigated theoretically and experimentally. By means of a simplified model a channel with a periodic array of microelectrodes we show that electroconvective flows induce the formation of traps for particles, providing a dynamical mechanism to control micro particles in such devices. We demonstrate experimentally the theoretically predicted dynamical phenomena.
Description:4 pages, 4 figures.-- PACS nrs.: 83.10.Pp, 05.45.-a, 85.85.+j.-- PMID: 16384321 [PubMed].
Publisher version (URL):http://dx.doi.org/10.1103/PhysRevLett.95.236002
URI:http://hdl.handle.net/10261/7515
ISSN:0031-9007
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Appears in Collections:(IFISC) Artículos

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