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Integrated Multilayer Flow System on a Microchip.

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Title: Integrated Multilayer Flow System on a Microchip.
Authors: HIBARA, Akihide Browse this author
TOKESHI, Manabu Browse this author →KAKEN DB
UCHIYAMA, Kenji Browse this author
HISAMOTO, Hideaki Browse this author
KITAMORI, Takehiko Browse this author
Keywords: microchip technology
Issue Date: Jan-2001
Publisher: 日本分析化学会
Journal Title: Analytical Sciences
Volume: 17
Issue: 1
Start Page: 89
End Page: 93
Publisher DOI: 10.2116/analsci.17.89
Abstract: We utilized microchip technology and found that the multilayer flow of liquids can be formed in microchannels. Liquid/liquid interfaces were formed parallel to the side wall of the microchannels, because the surface tension and friction force are stronger than the force of gravity. A water/ethylacetate/water interface was formed in a 70-µm-wide and 30-µm-deep channel. The interface was observed to be quite stable and to be maintained for a distance of more than 18 cm. As an example of a multilayer flow application, we demonstrated the liquid/liquid extraction of Co-dimethylaminophenol complex in a microchannel. The solvent-extraction process of the complex into m-xylene in the multilayer flow was found to reach equilibrium in 4 s, while it took 60 s in a simple two-phase extraction.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 渡慶次 学

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