Inkjet Printed Silver Electrodes on Macroporous Paper for a Paper-Based Isoelectric Focusing Device

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http://hdl.handle.net/10138/196424

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Gaspar , C , Sikanen , T M , Franssila , S & Jokinen , V 2016 , ' Inkjet Printed Silver Electrodes on Macroporous Paper for a Paper-Based Isoelectric Focusing Device ' , Biomicrofluidics , vol. 10 , no. 6 , 064120 . https://doi.org/10.1063/1.4973246

Title: Inkjet Printed Silver Electrodes on Macroporous Paper for a Paper-Based Isoelectric Focusing Device
Author: Gaspar, Cristina; Sikanen, Tiina Marjukka; Franssila, Sami; Jokinen, Ville
Contributor: University of Helsinki, Faculty of Pharmacy
Date: 2016
Language: eng
Number of pages: 10
Belongs to series: Biomicrofluidics
ISSN: 1932-1058
URI: http://hdl.handle.net/10138/196424
Abstract: We demonstrate a combined printing process utilizing inkjet printing of silver electrodes and solid-ink technology for printing hydrophobic wax barriers for fabricating paper microfluidic devices with integrated electrodes. Optimized printing parameters are given for achieving conducting silver lines on the top of macroporous chromatography paper down to 250 mu m-300 mu m resolution. Electrical characterization and wicking experiments demonstrate that the printed silver patterns are simultaneously conductive and porous enough to allow reliable capillary wicking across the electrodes. The combined wax and silver printing method is used for fabrication of paper microfluidic isoelectric focusing devices for separation and concentration of proteins. Published by AIP Publishing.
Subject: 116 Chemical sciences
216 Materials engineering
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