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ECS Meeting Abstracts, 51(MA2008-02), p. 3176-3176, 2008

DOI: 10.1149/ma2008-02/51/3176

The Electrochemical Society, ECS Transactions, 14(16), p. 117-122, 2008

DOI: 10.1149/1.2992236

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Comparison of a Microfluidic Gas-Intake Devices with Pillar-Type and Microfluidic Membrane-Type Structures

Journal article published in 2008 by Megumi Amano, Takahiro Arakawa ORCID, Hironobu Sato, Tetsushi Sekiguchi, S. Shoji, Hiroyuki Kudo, Hirokazu Saito, Kohji Mitsubayashi
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

A microfluidic gas-intake device for measurement of gaseous substances was fabricated and tested. The gas-intake device has a window that provides direct absorption of gas into liquid in microchannels the membrane-type microfluidic device which uses a gas permeability of the PDMS membrane for gas-intake is fabricated and compared gas intake efficiency to the gas-intake device using the dissolution velocity of oxygen into DI water channel. The degree of oxygen saturation was significantly improved (17.5 %) in case of the pillar-type device. This indicates that the pillar-type microstructure is effective for the gas-intake purpose.