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Portrait of Jonas Tegenfeldt. Photo: Kennet Ruona

Jonas Tegenfeldt

Professor, Coordinator Nanobiology & Neuronanoscience

Portrait of Jonas Tegenfeldt. Photo: Kennet Ruona

Electrokinetic wall effect mechanisms and applications

Author

  • Jason P. Beech
  • Bao Dang Ho
  • Oskar Ström
  • Jonas O. Tegenfeldt

Summary, in English

Under the application of longitudinal electric fields in microchannels, microparticles experience lift forces that push them away from the channel walls and affect their trajectories. At high frequencies (>100KHz) the dielectrophoretic forces dominate and are well understood but at lower frequencies there is little agreement as to the exact nature of the forces, how they are generated and how they vary due to the many different experimental conditions that are used in microfluidics devices. Here we present an experimental study of these mechanisms.

Department/s

  • Solid State Physics
  • NanoLund

Publishing year

2020

Language

English

Pages

42-43

Publication/Series

MicroTAS 2020 - 24th International Conference on Miniaturized Systems for Chemistry and Life Sciences

Document type

Conference paper

Publisher

Chemical and Biological Microsystems Society

Topic

  • Fluid Mechanics and Acoustics

Keywords

  • AC-Electrokinetics
  • Buoyancy
  • Electrokinetics
  • Lift forces
  • Wall forces

Conference name

24th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2020

Conference date

2020-10-04 - 2020-10-09

Conference place

Virtual, Online

Status

Published

ISBN/ISSN/Other

  • ISBN: 9781733419017