Dielectrophoresis based focusing in microfluidic devices

Anas Alazzam, Fadi Alnaimat, Ali Hilal-Alnaqbi, Waqas Waheed, Bobby Mathew

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

This document presents the mathematical model of a microfluidic device employing dielectrophoresis for purposes of 3D-focusing. The electrode configuration consists of multiple interdigitated transducer electrodes on either side of the bottom surface of the microchannel. The model consists of three equations of motion, one for each direction, equation of electric potential and electric field, and Navier-Stokes equation for fluid flow. The model accounts for forces such as inertia, gravity, buoyancy, and dielectrophoresis. The model is used for analyzing the influence of operating and geometric parameters on focusing. It is observed that the electrode configuration can achieve 3D-focusing irrespective of the radius and initial location of the micro-scale entity, volumetric flow rate, and applied voltage.

Original languageBritish English
Title of host publicationProceedings of the 2017 IEEE Regional Symposium on Micro and Nanoelectronics, RSM 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages207-211
Number of pages5
ISBN (Electronic)9781509040285
DOIs
StatePublished - 16 Oct 2017
Event11th IEEE Regional Symposium on Micro and Nanoelectronics, RSM 2017 - Batu Ferringhi, Penang, Malaysia
Duration: 23 Aug 201725 Aug 2017

Publication series

NameProceedings of the 2017 IEEE Regional Symposium on Micro and Nanoelectronics, RSM 2017

Conference

Conference11th IEEE Regional Symposium on Micro and Nanoelectronics, RSM 2017
Country/TerritoryMalaysia
CityBatu Ferringhi, Penang
Period23/08/1725/08/17

Keywords

  • dielectrophoresis
  • focusing
  • micro-scale entity
  • microfluidics

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