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Micromachines 2016, 7(3), 48; doi:10.3390/mi7030048

Experimental Analysis of Porosity and Permeability in Pressed Paper

Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
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Author to whom correspondence should be addressed.
Academic Editors: Nam-Trung Nguyen and Sergey S. Shevkoplyas
Received: 28 January 2016 / Revised: 1 March 2016 / Accepted: 10 March 2016 / Published: 14 March 2016
(This article belongs to the Special Issue Paper-Based Microfluidic Devices for Point-of-Care Diagnostics)
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Abstract

In this paper, we report an analysis of pressed paper in terms of porosity and permeability. Previously, we reported a pressed paper that exhibits decreased porosity and permeability. Additionally, its applications into programmed sample delivery as well as flow rate control were reported. However, there is a need for a theoretical analysis of pressed paper in terms of porosity and permeability for a more precise design principle and its applications because porosity and permeability are important factors in determining fluidic behavior. Here, we propose a theoretical model for analyzing decreased porosity and permeability in pressed paper. Porosity and permeability of pressed paper were quantitatively calculated using experimental results with a theoretical model. Furthermore, based on the analyzed results of porosity and permeability in pressed paper, a porosity–permeability relationship was investigated. View Full-Text
Keywords: paper-based microfluidics; porosity; permeability; pressed paper paper-based microfluidics; porosity; permeability; pressed paper
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Park, J.; Shin, J.H.; Park, J.-K. Experimental Analysis of Porosity and Permeability in Pressed Paper. Micromachines 2016, 7, 48.

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