Photosensitive protein patterning with electrophoretic deposition
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概要
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This letter reports on the micro-patterning of the photosensitive protein of bacterioRhodopsin (bR) geared toward bioelectronics-based image sensors. bR proteins are denatured by existing micro-fabrication processes, including destructive high-temperature (>100°C) heating and organic solvent cleansing. In our process, the desired area of the electrode for immobilizing bR is defined by a hydrophobic polymer that repels bR. After micro-fabrication, bR is selectively formed on the defined areas using electrophoretic deposition. A 5-µ m patterning resolution was achieved. An 8 × 8 photosensor array was fabricated, and its output electric charge was detected.
著者
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Takamatsu Seiichi
Graduate School of Information Science and Technology, the University of Tokyo
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Shimoyama Isao
Graduate School Of Information Science And Technology The University Of Tokyo
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Miyasaka Tsutomu
Graduate School Of Arts And Sciences The University Of Tokyo
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Matsumoto Kiyoshi
Graduate School Of Bioresource And Bioenvironmental Sciences Kyushu Univ.
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Hoshino Kazunori
Graduate School of Information Science and Technology, the University of Tokyo
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