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Title

Control of particles in micro-electrode devices

AuthorsTuval, Idan ; Mezić, Igor; Bottausci, Frédéric; Zhang, Yanting T.; MacDonald, Noel C.; Piro, Oreste
KeywordsElectrophoresis
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 Date1-Dec-2005
PublisherAmerican Physical Society
CitationPhysical Review Letters 95, 236002 (2005)
AbstractThe 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.
Description4 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
URIhttp://hdl.handle.net/10261/7515
DOI10.1103/PhysRevLett.95.236002
ISSN0031-9007
Appears in Collections:(IFISC) Artículos
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