感熱応答性ゲルによるマイクロオブジェクト把持プローブの作製および応用

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概要

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• In this paper, we fabricate and evaluate new probe device which can realize handling of micro objects using thermal gel. In general, probe devices are one of the important devices for micro manipulation. However, conventional probe devices have some problems: difficulty to release the handled objects by the surface force and damage to the manipulated objects. As one solution of these problems, we proposed "Thermoresponsive Gel (GeT) probe". The probe has an electrode at the tip and the thermoresponsive polymer can be gelled when a current is applied to the electrode. The assembly of three dimensional structures was demonstrated by the probe. The grasping force by the probe was measured using AFM cantilever. The handling of yeast cell and liposome were also realized by the probe. Finally, handling of micro objects in pure water was conducted using another micropipette. The results validate that the probe can realize the soft handling by the thermal gel and realize the precise positioning by reducing the effect of surface force.

著者

• 小嶋 勝

  Dept. of Micro-Nano Systems Engineering, Nagoya University

• 竹内 大

  Dept. of Micro-Nano Systems Engineering, Nagoya University

• 中島 正博

  Center for Micro-nano Mechatronics, Nagoya University

• 福田 敏男

  Dept. of Micro-Nano Systems Engineering, Nagoya University

関連論文

• 感熱応答性ゲルによるマイクロオブジェクト把持プローブの作製および応用

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