Journal of Japanese Society of Biorheology
Online ISSN : 2186-5663
Print ISSN : 0913-4778
ISSN-L : 0913-4778
Volume 9, Issue 2
Displaying 1-5 of 5 articles from this issue
  • [in Japanese], [in Japanese]
    1995 Volume 9 Issue 2 Pages 1-7
    Published: June 30, 1995
    Released on J-STAGE: September 24, 2012
    JOURNAL FREE ACCESS
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  • -Application for Hemorheology and Microcirculation-
    [in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
    1995 Volume 9 Issue 2 Pages 8-16
    Published: June 30, 1995
    Released on J-STAGE: September 24, 2012
    JOURNAL FREE ACCESS
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  • [in Japanese], [in Japanese]
    1995 Volume 9 Issue 2 Pages 17-26
    Published: June 30, 1995
    Released on J-STAGE: September 24, 2012
    JOURNAL FREE ACCESS
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  • -For the model study of hemodynamics-C36
    Takeru Naiki, Yutaka Yanai, Kozaburo Hayashi
    1995 Volume 9 Issue 2 Pages 27-32
    Published: June 30, 1995
    Released on J-STAGE: September 24, 2012
    JOURNAL FREE ACCESS
    The viscous and viscoelastic properties of three transparent high polymer solutions were studied with a steady flow and oscillatory Couette flow viscometer aiming to select a blood analog fluid for in vitro hemodynamic studies. The results were compared with those of human blood. Aqueous solutions of polyacrylamide (AP), carboxymethyl cellulose (CMC), and Xanthan gum (XG) were studied as candidate solutions. Sodium thiocyanate and glycerol were added to these solutions to adjust the refraction index and viscosity, respectively. AP and CMC solutions mixed with sodium thiocyanate were Newtonian. The viscous and viscoelastic properties of XG solution were close to those of human blood, and was the best solution as a blood analog fluid. In addition, its properties did not changed by storage for one year or by continuous use in an in vitro circulatory system for about one month. From these results, we concluded that XG solution is useful for in vitro hemodynamic studies, particularly for those employing optical techniques.
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  • Osamu Takagi, Norio Tarao
    1995 Volume 9 Issue 2 Pages 33-39
    Published: June 30, 1995
    Released on J-STAGE: September 24, 2012
    JOURNAL FREE ACCESS
    A spherical symmetric model for the aggregating microorganism attracted by a chemotactic source has been presented. The specific velocity of the sedimentation caused by the aggregation is also calculated numerically as the result of this analysis. The interaction between the attractant and the microorganism is considered using succesive approximation. The equation of this model involve a consuming term and a proliferation term. The results of our calculation exhibit the empirical logistic curves to maximum colonies.
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