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AC Electrokinetic Particle Manipulation in Microsystems

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Microfluidics Based Microsystems

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Abstract

Lab-on-Chip systems integrate multiple functionalities on a single platform. Automated or remote manipulation and analysis of particles and fluids is a key element in microfluidic devices. Microelectrodes can be integrated into these devices to generate large electric fields and field gradients using low voltages. Electrokinetics is an attractive method for integrating particle manipulation and separation within such systems. The electrokinetic forces are easy to control by designing optimum electrode structures and choice of field and frequency. In this chapter, the theory of AC electrokinetics is reviewed and example applications for manipulation of particles are provided. The use of dielectrophoresis (DEP) for manipulating micro particles is then described, together with a discussion on scaling issues.

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Authors and Affiliations

  1. Nano Research Group, School of Electronics and Computer Science, University of Southampton, Southampton, SO17 1BJ, UK

    Hywel Morgan & Tao Sun

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  1. Hywel Morgan
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  2. Tao Sun
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Correspondence to Hywel Morgan .

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Editors and Affiliations

  1. , Department of Mechanical Engineering, TOBB University of Economics and Technol, Soguzozu Cad. 43, Sogutozu, Ankara, 06560, Turkey

    S. Kakaç

  2. , Computer Sciences Department, Odessa State Academy of Refrigeration, Dvoryanskaya Str. 1/3, Odessa, 65082, Ukraine

    B. Kosoy

  3. , Department of Mechanical & Mechatronics, University of Waterloo, Waterloo, N2L 3G1, Canada

    D. Li

  4. , Department of Mechanical Engineering, Kasetsart University, 59 Moo. 1 Chiang Krer, Amphur Maung, Sakonnakhon, 47000, Thailand

    A. Pramuanjaroenkij

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Morgan, H., Sun, T. (2010). AC Electrokinetic Particle Manipulation in Microsystems. In: Kakaç, S., Kosoy, B., Li, D., Pramuanjaroenkij, A. (eds) Microfluidics Based Microsystems. NATO Science for Peace and Security Series A: Chemistry and Biology. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-9029-4_23

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