Electrodes combined with an agarose stamp for addressable micropatterning

Soichiro Sekine, Shinya Nakanishi, Takeo Miyake, Kuniaki Nagamine, Hirokazu Kaji, Matsuhiko Nishizawa*

*この研究の対応する著者

研究成果: Article査読

7 被引用数 (Scopus)

抄録

We have combined a topographically patterned agarose microstamp with an electrode substrate to develop a novel printing device that internally contains an electrochemical system for a controlled supply of reactive ink to the stamp surface. The 10 wt % agarose gel containing 0.1 M PBS + 25 mM KBr showed suitable elasticity for forming stamps and served as the electrolytic medium for the electrochemical oxidation of Br- to generate HBrO. The electrode substrate patched with an agarose stamp having 50-μm-high bumps was used for the spatially confined detachment of heparin/polyethyleneimine precoated on glass substrates, followed by micropatterned adsorption of fibronectin. Using the microelectrode array, the addressable micropatterning of protein by the controlled delivery of HBrO to each bump was demonstrated.

本文言語English
ページ(範囲)11526-11529
ページ数4
ジャーナルLangmuir
26
13
DOI
出版ステータスPublished - 2010 7月 6
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 表面および界面
  • 分光学
  • 電気化学

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