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Issue 19, 2010
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Visualization and measurement of flow in two-dimensional paper networks

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Abstract

The two-dimensional paper network (2DPN) is a versatile new microfluidic format for performing complex chemical processes. For chemical detection, for example, 2DPNs have the potential to exceed the capabilities and performance of existing paper-based lateral flow devices at a comparable cost and ease of use. To design such 2DPNs, it is necessary to predict 2D flow patterns and velocities within them, but because of the scattering of the paper matrix, conventional particle imaging velocimetry is not practical. In this note, we demonstrate two methods for visualization of flow in 2DPNs that are inexpensive, easy to implement, and quantifiable.

Graphical abstract: Visualization and measurement of flow in two-dimensional paper networks

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Publication details

The article was received on 30 Mar 2010, accepted on 15 Jun 2010 and first published on 30 Jul 2010


Article type: Technical Note
DOI: 10.1039/C004766J
Citation: Lab Chip, 2010,10, 2614-2617
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    Visualization and measurement of flow in two-dimensional paper networks

    P. Kauffman, E. Fu, B. Lutz and P. Yager, Lab Chip, 2010, 10, 2614
    DOI: 10.1039/C004766J

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