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article · Japanese Journal of Applied Physics · 2011

Manipulation of Particles in a Microchannel with Various Geometric Spaces Using Ultrasound

Teruyuki Kozuka, Kyuichi Yasui, Shin-ichi Hatanaka, Toru Tuziuti, Kazuyuki Suzuki, Atsuya Towata

Cited by 23Open access

Abstract

A noncontact micromanipulation technique is required in micromachine technology, biotechnology, and other fields. In this study, a standing wave field was generated in a microchannel with a geometric space. It was possible to trap small objects at nodes of the sound pressure distribution in the medium. A microchannel of 1×50×1 mm3 was formed at the center of a glass plate of 50×50×5 mm3. In the experiment, when the liquid water containing particles was injected into the microchannel on the glass plate irradiated by ultrasound, the particles flowed along several layers. It was shown that the traveling wave was transmitted into the microchannel and the standing wave field was formed in the microchannel. The micromanipulation technique enabled the control of the direction of the particle flow by changing the ultrasound frequency in branched channels with a geometric region at the junction. Moreover, in a triangular region, the particles moved towards the top from the base of the triangle with a fixed frequency.

Cite this paper

APA 7

Kozuka, T., Yasui, K., Hatanaka, S.-I., Tuziuti, T., Suzuki, K., & Towata, A. (2011). Manipulation of Particles in a Microchannel with Various Geometric Spaces Using Ultrasound. Japanese Journal of Applied Physics, 50(7S), 07HE27. https://doi.org/10.7567/jjap.50.07he27

MLA 9

Kozuka, Teruyuki, et al. “Manipulation of Particles in a Microchannel with Various Geometric Spaces Using Ultrasound.” Japanese Journal of Applied Physics, vol. 50, no. 7S, 2011, p. 07HE27, https://doi.org/10.7567/jjap.50.07he27.

Chicago

Kozuka, Teruyuki, Kyuichi Yasui, Shin-ichi Hatanaka, Toru Tuziuti, Kazuyuki Suzuki, and Atsuya Towata. 2011. “Manipulation of Particles in a Microchannel with Various Geometric Spaces Using Ultrasound.” Japanese Journal of Applied Physics 50 (7S): 07HE27. https://doi.org/10.7567/jjap.50.07he27.

Harvard

Kozuka, T. et al. (2011) ‘Manipulation of Particles in a Microchannel with Various Geometric Spaces Using Ultrasound’, Japanese Journal of Applied Physics, 50(7S), p. 07HE27. Available at: https://doi.org/10.7567/jjap.50.07he27.

BibTeX
@article{kozuka2011manipulation,
  title = {{Manipulation of Particles in a Microchannel with Various Geometric Spaces Using Ultrasound}},
  author = {Kozuka, Teruyuki and Yasui, Kyuichi and Hatanaka, Shin-ichi and Tuziuti, Toru and Suzuki, Kazuyuki and Towata, Atsuya},
  journal = {Japanese Journal of Applied Physics},
  volume = {50},
  number = {7S},
  pages = {07HE27},
  year = {2011},
  doi = {10.7567/jjap.50.07he27}
}

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