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Lab Chip. 2010 Jul 21;10(14):1807-13. doi: 10.1039/c003509b. Epub 2010 Apr 27.

A microfluidic device for continuous cancer cell culture and passage with hydrodynamic forces.

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  • 1Dept. of Physics, Princeton University, NJ, USA.


We demonstrate a novel and robust microfluidic chip with combined functions of continuous culture and output of PC-3 prostate cancer cells. With digital controls, polydimethylsiloxane (PDMS) flexible diaphragms are able to apply hydrodynamic shear forces on cultures, detaching a fraction of attached cancer cells from the surface for output while leaving others for reuse in subsequent cultures. The fractions of detached cells and remaining cells can be precisely controlled. The system has not only the advantages of small size, high cell culture efficiency, and digital control, but also of simple fabrication at low cost, easy operation and robust performance. The chip performs 9 passages during 30 days of continuous culture and shows promise as a durable design suitable for long-term cell output.

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