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Viscosity Independent Paper Microfluidic Imbibition
KTH, School of Electrical Engineering (EES), Micro and Nanosystems. (Microfluidics)
KTH, School of Electrical Engineering (EES), Micro and Nanosystems. (Microfluidics)ORCID iD: 0000-0001-8531-5607
KTH, School of Electrical Engineering (EES), Micro and Nanosystems. (Microfluidics)ORCID iD: 0000-0001-8248-6670
2016 (English)In: Proceedings of The 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, MicroTAS , 2016, 13-14 p.Conference paper (Refereed)
Abstract [en]

This work introduces capillary flow in paper microfluidics that features a flow rate Q that is constant in time, t, and independent of the viscosity of liquid sample, μ liquid: Q≠f(t, μ liquid). Compared to conventional paper microfluidics, we enclose the paper in solid walls and add a long and narrow air vent as outlet of the capillary pump, such that the flow rate is dominated by the downstream air resistance. Therefore, the flow rate depends on the viscosity of air rather than that of liquid. This significantly decreases the dependency of lateral flow biosensors on variations of sample fluid.

Place, publisher, year, edition, pages
MicroTAS , 2016. 13-14 p.
Keyword [en]
viscosity independent, paper microfluidics
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-196796ISBN: 978-0-9798064-9-0OAI: oai:DiVA.org:kth-196796DiVA: diva2:1048748
Conference
The 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016, 9-13 October 2016, Dublin, Ireland
Projects
ND4ID
Funder
EU, Horizon 2020
Note

QC 20161122

Available from: 2016-11-22 Created: 2016-11-22 Last updated: 2016-11-22Bibliographically approved

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