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AC Electrokinetic Phenomena Generated by Microelectrode Structures
JoVE Journal
Biology
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JoVE Journal Biology
AC Electrokinetic Phenomena Generated by Microelectrode Structures
DOI:

20:38 min

July 28, 2008

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Chapters

  • 00:08Title
  • 00:56Physics: Dielectrophoresis
  • 03:08Physics: AC Electrothermal Effect
  • 03:43Numerical Simulation: FInite Element Method
  • 04:17Low Conductivity
  • 05:17Device Fabrication: Wet Etch Method
  • 06:30Step Two: Metal Deposition
  • 07:31Step Three: Photolithography
  • 09:54Experimental Setup: Polystyrene Microspheres
  • 11:29Experiments: 2 μm Polystyrene Microspheres
  • 14:55Castellated Electrodes: Low Conductivity
  • 19:19Potential Well: High Conductivity

Summary

Automatic Translation

Manipulating fluids and suspended particles in the micro- and nano-scale is becoming more of a reality as enabling technologies, like AC electrokinetics, continue to develop. Here, we discuss the physics behind AC electrokinetics, how to fabricate these devices and how to interpret the experimental observations.

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