Research / 研究内容

振動誘起流れを用いた微小物体の操作

マイクロ領域特有の流体現象を用いて，細胞などの微小物体の操作を行います．

• “On-chip 3D rotation of oocyte based on a vibration-induced local whirling flow”,
  Takeshi Hayakawa, Shinya Sakuma, Fumihito Arai, Microsystems & Nanoengineering, vol. 1, issue 1, 15001, 2015.
• “A Single Cell Extraction Chip Using Vibration-Induced Whirling Flow and a Thermo-Responsive Gel Pattern”,
  Takeshi Hayakawa, Shinya Sakuma, Takeshi Fukuhara, Yoshiyuki Yokoyama, Fumihito Arai, Micromachines, vol. 5, issue 3, pp.681-696, 2014.
• “Parallel trapping of single motile cells based on vibration-induced flow”,
  Takeshi Hayakawa, Yusuke Akita, Fumihito Arai, Microfluidics and Nanofluidics, vol. 22, no. 4, 42, 2018.

マイクロゲルロボティクス

生体に近い特性を持つゲルアクチュエータを用いたマイクロロボットの作製を行います．

• “Light-Driven Hydrogel Microactuators for On-Chip Cell Manipulations”,
  Yuha Koike, Yoshiyuki Yokoyama, Takeshi Hayakawa, Frontiers in Mechanical Engineering, 2020, accepted.
• “Structurally isolated photoactuation of graphene-mixed temperature-responsive hydrogels in soft-rigid series structure”,
  Tomoki Watanabe, Yoshiyuki Yokoyama, Takeshi Hayakawa, ROBOMECH Journal, 2019, accepted.
• “Evaluation of the response characteristics of on-chip gel actuators for various single cell manipulations”,
  Hiroki Wada, Yuha Koike, Yoshiyuki Yokoyama, Takeshi Hayakawa, IEEE Robotics and Automation Letters, 2020, accepted.

ソフトアクチュエータ

誘電エラストマアクチュエータ（DEA）などを用いて，心臓モデルの作製を目指します．

　　　　
• “Evaluation of the response characteristics of on-chip gel actuators for various single cell manipulations”,
  Natsumi Koike, Takeshi Hayakawa, IEEE Robotics and Automation Letters, 2020, accepted.