Dielectrophoretic measurement of bacterial motor characteristics

Masao Washizu, Yuichi Kurahashi, Hirokazu Iochi, Osamu Kurosawa, Sin ichi Aizawa, Seishi Kudo, Yukio Magariyama, Hirokazu Hotani

研究成果: Conference contribution

抄録

Novel methods of the bacterial motor characteristic measurement using AC field effects in microfabricated electrode system are presented. Two method are developed in this paper. One is the measurement of the external force-to-velocity (F-v) characteristics of swimming bacteria. Electrostatic orientation of bacteria parallel to the field lines is used to guide the bacterial locomotion along a line. Dielectrophoresis is used to apply external force both forward or backward to the swimming bacteria, and by measuring the velocity of the locomotion, the F-v curve is obtained. The other is the measurement of torque-to-speed (T-ω) characteristics of the motor. Electrorotation is used to apply external torque to the tethered cells, and by changing the applied torque to the tethered cells, and by changing the applied torque and measuring the rotation speed, T-ω curves obtained.

本文言語English
ホスト出版物のタイトル91 IEEE Ind Appl Soc Annu Meet
出版社Publ by IEEE
ページ665-673
ページ数9
ISBN(印刷版)0780304535
出版ステータスPublished - 1992 1 1
イベント1991 IEEE Industry Applications Society Annual Meeting Part 1 (of 2) - Dearborn, MI, USA
継続期間: 1991 9 281991 10 4

出版物シリーズ

名前91 IEEE Ind Appl Soc Annu Meet

Other

Other1991 IEEE Industry Applications Society Annual Meeting Part 1 (of 2)
CityDearborn, MI, USA
Period91/9/2891/10/4

ASJC Scopus subject areas

  • Engineering(all)

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