Droplet Transportation on a Wettability Gradient Surface Generated by Electrowetting-on-Dielectric
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- Imamura Keita
- Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology
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- Yasuda Takashi
- Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology
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This paper presents a novel microdevice for droplet transportation using a wettability gradient surface that is generated by EWOD (Electrowetting-on-dielectric). Velocity of a droplet on this device can be controlled by changing the frequency of a square-wave voltage that is applied between two interdigitated and wedge-shaped electrodes. When a square wave voltage of 50 V and 10 Hz was applied, the transportation velocity of a 5 μl deionized (DI) water droplet was 3.9 mm/s. Also, we succeeded in transporting not only DI water but also organic solution (dimethyl sulphoxide, DMSO) and electrolyte solution (KCl and phosphate bufferd saline, PBS), and investigated the relationship between their transportation velocities and voltage frequencies.
収録刊行物
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- 電気学会論文誌E(センサ・マイクロマシン部門誌)
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電気学会論文誌E(センサ・マイクロマシン部門誌) 130 (1), 1-5, 2010
一般社団法人 電気学会
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詳細情報
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- CRID
- 1390001204461346432
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- NII論文ID
- 10026230789
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- NII書誌ID
- AN1052634X
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- ISSN
- 13475525
- 13418939
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- NDL書誌ID
- 10538805
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可