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Related Experiment Video

Updated: May 30, 2026

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
09:45

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow

Published on: February 4, 2011

A high-throughput dielectrophoresis-based cell electrofusion microfluidic device.

Ning Hu1, Jun Yang, Zheng-Qin Yin

  • 1Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing, P. R. China.

Electrophoresis
|August 20, 2011
PubMed
Summary

A novel microfluidic chip enables high-throughput cell electrofusion with over 40% efficiency. This advanced technology significantly outperforms traditional methods for creating hybrid cells.

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Last Updated: May 30, 2026

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
09:45

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The Fabrication and Operation of a Continuous Flow, Micro-Electroporation System with Permeabilization Detection

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Area of Science:

  • Biotechnology
  • Microfluidics
  • Cell Biology

Background:

  • Traditional cell fusion methods like polyethylene glycol (PEG) and bulk electrofusion have limitations in efficiency and throughput.
  • Developing advanced techniques for efficient and high-throughput cell fusion is crucial for various biological applications.

Purpose of the Study:

  • To design, fabricate, and test a high-throughput microfluidic chip for efficient in vitro cell electrofusion.
  • To evaluate the performance of the microfluidic chip using both mammalian cells and plant protoplasts.

Main Methods:

  • Fabrication of a microfluidic chip on a silicon-on-insulator wafer with integrated microelectrodes.
  • Utilizing dielectrophoretic forces for cell alignment and controlled electrical signals for electroporation and electrofusion.
  • Testing with mammalian cells and plant protoplasts to assess fusion efficiency and throughput.

Main Results:

  • Achieved cell-cell pairing efficiency of 42-68% via dielectrophoresis.
  • Demonstrated an average cell electrofusion efficiency above 40% (up to 60%) in paired cells.
  • Completed individual cell electrofusion processes within 10 minutes, indicating high throughput.

Conclusions:

  • The developed microfluidic chip offers a highly efficient and rapid method for cell electrofusion.
  • This technology significantly surpasses traditional cell fusion techniques in terms of efficiency and speed.
  • The microfluidic chip holds promise for advancing research and applications requiring cell fusion.