Related Experiment Video
Updated: Jun 7, 2026

09:14
High efficiency, Site-specific Transfection of Adherent Cells with siRNA Using Microelectrode Arrays (MEA)
Published on: September 13, 2012
An efficient and high-throughput electroporation microchip applicable for siRNA delivery.
Huang Huang1, Zewen Wei, Yuanyu Huang
1Institute of Molecular Medicine, Peking University, Beijing, 100871, China.
Lab on a Chip
|October 20, 2010
Summary
A new electroporation microchip achieves 90% cell transfection efficiency using low electrical pulses. This novel device improves cell viability and offers new high-throughput applications for siRNA technology in research.
Area of Science:
- Biotechnology
- Molecular Biology
- Bioengineering
Background:
- Electroporation is crucial for introducing molecules into cells.
- Conventional methods face limitations like low efficiency and cell damage.
- Existing microchip devices have not fully overcome these challenges.
Purpose of the Study:
- To develop a novel electroporation microchip with enhanced performance and multi-well plate compatibility.
- To achieve high cell transfection efficiency and viability.
- To enable high-throughput applications of siRNA technology.
Main Methods:
- Design of a microchip with a novel annular interdigitated electrode.
- Application of low-strength electrical pulses for cell electroporation.
- Testing with cultured and primary cells using plasmid and synthetic siRNA.
Main Results:
- Achieved cell transfection efficiency as high as 90%.
- Demonstrated significantly improved cell viability compared to conventional methods.
- Successfully transfected both cultured and primary cells with plasmid and siRNA.
Conclusions:
- The novel electroporation microchip offers superior performance and compatibility for biological research.
- This technology circumvents adverse effects associated with traditional electroporation.
- The system provides new opportunities for high-throughput siRNA applications in biomedical research.

