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Lab Chip. 2011 Jan 7;11(1):163-72. doi: 10.1039/c0lc00195c. Epub 2010 Oct 19.

An efficient and high-throughput electroporation microchip applicable for siRNA delivery.

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Institute of Molecular Medicine, Peking University, Beijing, 100871, China.


Here we report a novel electroporation microchip with great performance and compatibility with the standard multi-well plate used in biological research. The novel annular interdigitated electrode design makes it possible to achieve efficient cell transfection as high as 90% under low-strength electrical pulses, thereby circumventing the many adverse effects of conventional cuvette-type and previously reported microchip-based electroporation devices. Using this system, we demonstrated substantially improved cell transfection efficacy and viability in cultured and primary cells, for both plasmid and synthetic siRNA. Improvements of this system open new opportunities for high-throughput applications of siRNA technology in basic and biomedical research.

[Indexed for MEDLINE]

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