Numerical Study of Particle-Particle Interactions in Lab-on-a-Chip Devices Based on Dielectrophoresis (Articolo in rivista)

Type
Label
  • Numerical Study of Particle-Particle Interactions in Lab-on-a-Chip Devices Based on Dielectrophoresis (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Nicotra OE, La Magna A, Coffa S (2010)
    Numerical Study of Particle-Particle Interactions in Lab-on-a-Chip Devices Based on Dielectrophoresis
    in Sensor letters (print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Nicotra OE, La Magna A, Coffa S (literal)
Pagina inizio
  • 457 (literal)
Pagina fine
  • 464 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 8 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. CNR, IMM, Sez Catania, I-95121 Catania, Italy 2. STMicroelectronics, I-95121 Catania, Italy (literal)
Titolo
  • Numerical Study of Particle-Particle Interactions in Lab-on-a-Chip Devices Based on Dielectrophoresis (literal)
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 of trapping efficiency in dielectrophoretic devices. Within this approach, based on drift-diffusion dynamics, 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. Moreover in this framework, once some reaction terms are introduced, particle stitching in a dielectrophoretic trap can be studied as well, leading to a very efficient tool to describe particle-chains formation due to dipole-dipole interaction. In this paper an application of the model will be presented on a 2D dielectrophoretic trap. (literal)
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