Issue 20, 2010

Microfluidics without pumps: reinventing the T-sensor and H-filter in paper networks

Abstract

Conventional microfluidic devices typically require highly precise pumps or pneumatic control systems, which add considerable cost and the requirement for power. These restrictions have limited the adoption of microfluidic technologies for point-of-care applications. Paper networks provide an extremely low-cost and pumpless alternative to conventional microfluidic devices by generating fluid transport through capillarity. We revisit well-known microfluidic devices for hydrodynamic focusing, sized-based extraction of molecules from complex mixtures, micromixing, and dilution, and demonstrate that paper-based devices can replace their expensive conventional microfluidic counterparts.

Graphical abstract: Microfluidics without pumps: reinventing the T-sensor and H-filter in paper networks

Supplementary files

Article information

Article type
Paper
Submitted
31 Mar 2010
Accepted
23 Jun 2010
First published
03 Aug 2010

Lab Chip, 2010,10, 2659-2665

Microfluidics without pumps: reinventing the T-sensor and H-filter in paper networks

J. L. Osborn, B. Lutz, E. Fu, P. Kauffman, D. Y. Stevens and P. Yager, Lab Chip, 2010, 10, 2659 DOI: 10.1039/C004821F

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