Feasibility study of a sinusoidal shear flow generator for using counter-oscillating flow fields in monitoring of individual red blood cells under shear flow conditions

Nobuo Watanabe, Tatsuya Tsuzuki, Yusuke Suzuki

研究成果: Article

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Aim: To develop a prototype device that allows direct observation of the deformation of individual red blood cells (RBCs) in an oscillating shear flow field. Method: A counter-oscillation mechanism composed of two parallel glass plates was constructed to keep RBCs floating at the centerline of a 30 μm fluid gap. RBCs in the suspension fluid were observed using a high-speed camera with 40-fold magnification. Results: RBCs remained within the camera’s field of view when exposed to a shear force field that oscillated at 2 Hz. Moreover, glutaraldehyde-treated, hardened RBCs always tumbled and low-density RBCs had a larger elongation than high-density RBCs when exposed to the same shear field. Conclusion: The feasibility of this counter-oscillating mechanism for evaluating RBC deformability has been demonstrated.

元の言語English
ページ(範囲)36-41
ページ数6
ジャーナルJournal of Biorheology
29
発行部数1
DOI
出版物ステータスPublished - 2015

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)
  • Mechanical Engineering

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