Related Experiment Video
Updated: Feb 19, 2026
09:45
Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
Published on: February 4, 2011
28.1K
A planar dielectrophoresis-based chip for high-throughput cell pairing
ChunHui Wu1, RiFei Chen, Yu Liu
1Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, People's Republic of China. wuch@mail.sustc.edu.cn chengx@sustc.edu.cn.
Lab on a Chip
|November 9, 2017
Summary
This study presents a novel planar chip for rapid, high-throughput cell pairing using positive dielectrophoresis (p-DEP). The chip enables over 2400 cell pairs efficiently, offering a versatile platform for cell communication research.
Area of Science:
- Biotechnology
- Microfluidics
- Cell Biology
Background:
- High-throughput cell pairing is crucial for studying cell-cell interactions.
- Existing methods often lack efficiency and scalability.
Purpose of the Study:
- To design and fabricate a planar chip for high-throughput cell trapping and pairing.
- To achieve efficient single cell-cell pairing using positive dielectrophoresis (p-DEP).
Main Methods:
- Fabrication of a planar chip with a novel two-pair interdigitated array (TPIDA) electrode.
- Application of alternating current signal for p-DEP-based cell trapping.
- Integration with PDMS microfluidic channels and microbaffles for cell manipulation.
Main Results:
- Achieved high-throughput pairing of over 2400 single cell-cell pairs in a small area.
- Demonstrated high single cell-cell pairing efficiency up to 74.2%.
- Enabled direct cell-cell contact through microbaffles and liquid flow.
Conclusions:
- The planar chip offers an effective and reusable platform for high-throughput single cell-cell pairing.
- Facilitates research in cell communication and precise cell pairing for cell fusion.
- The TPIDA electrode design enhances pairing efficiency by managing electric fields.
