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Título : Control of particles in micro-electrode devices
Autor : Tuval, Idan, Mezić, Igor, Bottausci, Frédéric, Zhang, Yanting T., MacDonald, Noel C., Piro, Oreste
Palabras clave : 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
Fecha de publicación : 1-Dec-2005
Editor: American Physical Society
Resumen: 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.
Descripción : 4 pages, 4 figures.-- PACS nrs.: 83.10.Pp, 05.45.-a, 85.85.+j.-- PMID: 16384321 [PubMed].
Versión del editor: http://dx.doi.org/10.1103/PhysRevLett.95.236002
URI : http://hdl.handle.net/10261/7515
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.95.236002
Citación : Physical Review Letters 95, 236002 (2005)
Appears in Collections:(IFISC) Artículos

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