Dielectrophoretic Microfluidic Device for Size-Based Separation of Microparticles: Feasibility Study

Afraa Obaid Mubarak AlMehairi, Salini Ramesh, Amber Childs-Santos, Ali Hillal-Alnaqbi, Ibeawuchi Anokam, Fadi Alnaimat, Jelani Buie, Bobby Mathew

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This document presents the model-based feasibility study of a dielectrophoresis based microfluidic device for purposes of label-free separation of same microparticles of different diameters. The microfluidic device consists of two sections - focusing and separation section. The focusing section has two a set of interdigitated transducer electrodes located next to each of the sidewalls. The focusing section subjects all microparticles to negative-dielectrophoresis and focuses the micro-scale entities at the middle of the microchannel. The separation section is downstream of the focusing section and has just one set of interdigitated transducer electrodes. This section subjects one type of microparticle to positive-dielectrophoresis and the other type of microparticle to negative-dielectrophoresis leading to different lateral displacements leading to achieve separation. For purposes of demonstration, a heterogeneous mixture of polystyrene microparticles (5 μm and 10 μm), suspended in water, is separated into two homogeneous samples.

Original languageEnglish
Title of host publicationMARSS 2018 - International Conference on Manipulation, Automation and Robotics at Small Scales
EditorsSergej Fatikow, Sinan Haliyo, Fumihito Arai, Albert Sill
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538648414
DOIs
Publication statusPublished - Oct 3 2018
Externally publishedYes
Event3rd International Conference on Manipulation, Automation and Robotics at Small Scales, MARSS 2018 - Nagoya, Japan
Duration: Jul 4 2018Jul 8 2018

Publication series

NameMARSS 2018 - International Conference on Manipulation, Automation and Robotics at Small Scales

Conference

Conference3rd International Conference on Manipulation, Automation and Robotics at Small Scales, MARSS 2018
Country/TerritoryJapan
CityNagoya
Period7/4/187/8/18

Keywords

  • dielectrophoresis
  • focusing
  • microchannel
  • microparticle
  • separation

ASJC Scopus subject areas

  • Artificial Intelligence
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering
  • Control and Optimization

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