'Cell Pinball': What is the physics?

Ryo Murakami, Makoto Kaneko, Shinya Sakuma, Fumihito Arai

研究成果: Contribution to journalConference article査読

1 被引用数 (Scopus)

抄録

During the deformability test of Red Blood Cell (RBC) by utilizing a micro fluidic channel, we found an interesting phenomenon where some RBCs behave just like elastic pinball with the motion in the perpendicular direction with respect to the main flow line, while most of RBCs simply move along the main flow line. This phenomenon is called 'Cell Pinball'. Through visualization, we found that the RBC being in Cell Pinball mode rotates around the perpendicular axis to the flow line and the rotating direction has one-to-one relationship with the moving direction without any exceptions. We also found that the rotating axis exists slightly behind the center of gravity with respect to the flow direction. This geometrical configuration makes an unstable condition for the cell under the fluid force, which eventually produces the motion perpendicular to the main flow line.

本文言語英語
論文番号7050982
ページ(範囲)431-434
ページ数4
ジャーナルProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
2015-February
February
DOI
出版ステータス出版済み - 2 26 2015
外部発表はい
イベント2015 28th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2015 - Estoril, ポルトガル
継続期間: 1 18 20151 22 2015

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 機械工学
  • 電子工学および電気工学

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