Nano Science and Technology Institute
Nanotech 2008 Vol. 3
Nanotech 2008 Vol. 3
Nanotechnology 2008: Microsystems, Photonics, Sensors, Fluidics, Modeling, and Simulation - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 3: Lab-on-a-Chip, Micro & Nano Fluidics

Fluidic and Electrical Characterization of 3D Carbon Dielectrophoresis with Finite Element Analysis

Authors:R. Martinez-Duarte, E. Collado-Arredondo, S. Cito, S.O. Martinez, M. Madou
Affilation:University of California, Irvine, US
Pages:265 - 268
Keywords:carbon, dielectrophoresis, 3D, simulation
Abstract:The following work presents the fluidic and electrical characterization of a 3D electrodes array to be used in high throughput and high efficiency Carbon Dielectrophoresis (CarbonDEP) applications such as multi-stage filters, continuous particle enrichment and positioning of particle populations for analysis. CarbonDEP refers to the induction of DEP by carbon structures. The final goal is, through an initial stage of modeling and analysis, to reduce idea-to-prototype time and cost of CarbonDEP devices to be applied in the health care field. Finite Element Analysis (FEA) is successfully conducted to model flow and electric fields established by polarized 60 um-high high aspect ratio carbon cylinders, and its planar carbon connecting leads, immersed in a conductive solution. Results demonstrate correlation between a decreasing flow velocity gradient and increasing electric field gradient toward electrodes which is optimal for CarbonDEP applications. Simulation results are experimentally validated in the proposed applications.
Fluidic and Electrical Characterization of 3D Carbon Dielectrophoresis with Finite Element AnalysisView PDF of paper
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