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CAPILLARY PUMPING WITH A CONSTANT FLOW RATE INDEPENDENT OF THE LIQUID SAMPLE VISCOSITY AND SURFACE ENERGY
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
2017 (English)In: Proceeding of 2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS), IEEE, 2017Conference paper (Refereed)
Abstract [en]

We introduce and experimentally verify a capillary pump design that, for the first time, enables autonomous pumping of sample liquid with a flow rate constant in time and independent of the sample viscosity and sample surface energy. These results are of interest for applications that rely on a predictable flow rate and where the sample fluid viscosity or surface energy are not precisely known, e.g. in capillary driven diagnostic lateral flow biosensors for urine or blood sample, where large variations exist in both viscosity and surface energy between different patient samples.

Place, publisher, year, edition, pages
IEEE, 2017.
Keyword [en]
capillary pumping, viscosity independent, surface energy independent, constant flow rate
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-196738OAI: oai:DiVA.org:kth-196738DiVA: diva2:1048001
Conference
The 30th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2017), January 22-26, 2017, Las Vegas, USA
Projects
ND4ID
Funder
EU, Horizon 2020
Note

QCR 20161122

Available from: 2016-11-19 Created: 2016-11-19 Last updated: 2016-11-22Bibliographically approved

Open Access in DiVA

The full text will be freely available from 2017-02-08 00:00
Available from 2017-02-08 00:00

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