Issue 23, 2015
From the journal:

Lab on a Chip

Two-ply channels for faster wicking in paper-based microfluidic devices†

Conor K. Camplisson,‡a   Kevin M. Schilling,‡a   William L. Pedrotti,a   Howard A. Stoneb  and  Andres W. Martinez*a  

* Corresponding authors

a Department of Chemistry & Biochemistry, California Polytechnic State University, San Luis Obispo, CA 93401, USA
E-mail: awmartin@calpoly.edu

b Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544, USA

Abstract

This article describes the development of porous two-ply channels for paper-based microfluidic devices that wick fluids significantly faster than conventional, porous, single-ply channels. The two-ply channels were made by stacking two single-ply channels on top of each other and were fabricated entirely out of paper, wax and toner using two commercially available printers, a convection oven and a thermal laminator. The wicking in paper-based channels was studied and modeled using a modified Lucas–Washburn equation to account for the effect of evaporation, and a paper-based titration device incorporating two-ply channels was demonstrated.

Graphical abstract: Two-ply channels for faster wicking in paper-based microfluidic devices

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Article information

DOI
https://doi.org/10.1039/C5LC01115A
Article type
Paper
Submitted
16 Sep 2015
Accepted
12 Oct 2015
First published
19 Oct 2015

Lab Chip, 2015,15, 4461-4466

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Two-ply channels for faster wicking in paper-based microfluidic devices

C. K. Camplisson, K. M. Schilling, W. L. Pedrotti, H. A. Stone and A. W. Martinez, Lab Chip, 2015, 15, 4461 DOI: 10.1039/C5LC01115A

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