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Madou, Mark
BIO-MEMS Lab
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  • Medical Diagnostics

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Electrolysis-Induced Pneumatic Pressure for Control of Liquids in a Centrifugal System

Cited 4 times inthomson ciCited 2 times inthomson ci
Title
Electrolysis-Induced Pneumatic Pressure for Control of Liquids in a Centrifugal System
Author
Noroozi, ZahraKido, HoracioMadou, Mark
Issue Date
2011-11
Publisher
ELECTROCHEMICAL SOC INC
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.158, no.11, pp.P130 - P135
Abstract
We have developed a technique that utilizes electrolysis-generated pneumatic pressure and centrifugal force to achieve simple and reliable control over liquids in the microfluidic system of a rotating circular disk (CD). Specifically, this new technique was demonstrated for the propulsion of liquids in an upstream direction, against the centrifugal acceleration field, with control over their flow rates (metering). We also developed a simple mathematical model to describe the metering of said liquids as a function of electrical current flowing through an electrolyte (for generating pneumatic pressure) and also as a function of the angular frequency of rotation of the CD. A good correlation between the model and experimental data was achieved.
URI
https://scholarworks.unist.ac.kr/handle/201301/2661
URL
http://jes.ecsdl.org/content/158/11/P130
DOI
10.1149/2.028111jes
ISSN
0013-4651
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SLS_Journal Papers
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