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用流室法研究红细胞的流变特性

STUDY ON RBC′s RHEOLOGICAL BEHAVIOR WITH A FLOW CHAMBER METHOD

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【作者】 姚伟娟喀蔚波孙大公谢利德文宗曜严宗毅

【Author】 Yao Weijuan, Ka Weibo, Sun Dagong, Xie Lide, Wen Zongyao (Department of medical physics, Beijing Medical University, 100083)Yan Zongyi (Department of mechanic and engineer sciences, Peking University,100871)

【机构】 北京医科大学物理教研室北京大学力学与工程科学系 北京100083北京100083北京100871

【摘要】 采用流室法研究了红细胞的取向和小变形问题 ,将所得的结果与新型激光衍射法的结果相比较 ,发现二者相当一致 ;红细胞在低粘切变流场中沿C =0轨道取向的数目随切变率增加到一定值后变化缓慢 ,其等容小变形则随切变率增加而增加。通过流室法的直观测量 ,首次证明了新型激光衍射法的正确性。

【Abstract】 The RBC′s orientation and small deformation were studied with a flow chamber. In the shear flow field of low viscosity medium, more and more RBCs moved along the orbit C=0 till the shear rate raised to a critical point. Meanwhile, the isometric small deformation increased as the shear rate raised. These results were in good accordance with those obtained by new ektacytometry. With the very actual measurement of flow chamber, we testified the validity of new ektacytometry for the first time.

【基金】 国家自然科学基金 ( 39830 110 );中国博士点基金资助项目
  • 【文献出处】 中国生物医学工程学报 ,Chinese Journal of Biomedical Engineering , 编辑部邮箱 ,2001年06期
  • 【分类号】R318.01
  • 【下载频次】71
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