不吐糸蚕(繭を作らない蚕)血液の レオロジー特性 Rheologic Characteristics Of Blood From Non-Cocooning Silkworm(Bombyx mori)Bred With Artificial Breeding

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We previously found that the rheologic characteristics of blood from silkworms bred by artifi breeding change with the age of the silkworm. We have investigated here, the rheologic characteristics of blood from non-cocooning (non-throwing up) silkworms bred by artificial breeding. Blood from artificial breeding silkworms showed non-Newtonian plastic flow with yield stress at a shear rate below 10s<SUP>-1</SUP>, thereby suggesting that the blood has a kind of structure arising from the interaction of blood constituents. Detailed rheologic analyses were performed using Casson's equation. Blood from normal, cocooning silkworms revealed a marked decrease in fluidity at the last stage of five age periods; for example, Casson's yield stress was 1.04×10<SUP>-2</SUP> Pa and Casson's viscosity of it was 2.22×10<SUP>-3</SUP> Pa·s. However, blood from non-cocooning silkworm did not show such a decrease in fluidity; for example, Casson's yield stress was 0.01×10<SUP>-2</SUP> Pa and Casson's viscosity of it was 0.07×10<SUP>-3</SUP> Pa·s. These results clearly show that the rheologic characteristics of silkworm blood and accordingly the structure of blood, are strongly related to the non-cocooning phenomenon of silkworms These findings could be useful in quantitative investigation of the physiological process in silkworms.

収録刊行物

  • 日本バイオレオロジー学会誌(B&R) = Journal of Japanese Society of Biorheology  

    日本バイオレオロジー学会誌(B&R) = Journal of Japanese Society of Biorheology 14(3), 99-105, 2000-09-30 

    特定非営利活動法人 日本バイオレオロジー学会

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各種コード

  • NII論文ID(NAID)
    10004955709
  • NII書誌ID(NCID)
    AN10042423
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09134778
  • NDL 記事登録ID
    5612024
  • NDL 雑誌分類
    ZR2(科学技術--生物学--生化学)
  • NDL 請求記号
    Z18-1996
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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