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AC Dielectrophoresis Lab-on-Chip Devices

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Encyclopedia of Microfluidics and Nanofluidics

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Synonyms

DEP; Dielectrophoretic force

Definition

Dielectrophoresis is the translational motion of a neutral particle by induced polarization in a nonuniform electric field. The magnitude and direction of the induced dielectrophoretic force are dependent on the characteristics of the applied electric field as well as the dielectric properties of the surrounding medium and of the particle itself.

Overview

Herbert Pohl was one of the first to study particle electrokinetics in the 1950s, particularly the manipulation of polarizable particles with nonuniform fields. He coined the term dielectrophoresis, and details of his investigations can be found in his classic text [1]. The advancement of microfabrication techniques and the demand of Lab-on-a-Chip technologies have led to the development of dielectrophoresis techniques for particulate, biological, and pharmaceutical applications. Dielectrophoresis was initially used to manipulate particles and cells in the micrometer range (1 μm to 1...

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References

  1. Pohl HA (1978) Dielectrophoresis. Cambridge University Press, Cambridge

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Author information

Authors and Affiliations

  1. Mechanical Engineering, Purdue University, West Lafayette, IN, USA

    Stuart Williams

Authors
  1. Stuart Williams
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Corresponding author

Correspondence to Stuart Williams .

Editor information

Editors and Affiliations

  1. VU Station B 351592, Vanderbilt University Dept. Mechanical Engineering, Nashville, Tennessee, USA

    Dongqing Li

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Williams, S. (2014). AC Dielectrophoresis Lab-on-Chip Devices. In: Li, D. (eds) Encyclopedia of Microfluidics and Nanofluidics. Springer, Boston, MA. https://doi.org/10.1007/978-3-642-27758-0_3-2

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  • DOI: https://doi.org/10.1007/978-3-642-27758-0_3-2

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  • Publisher Name: Springer, Boston, MA

  • Online ISBN: 978-3-642-27758-0

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