A Modified Model for Non-Newtonian Viscosity behavior of Aureobasidium pullulans Culture Fluid
スポンサーリンク
概要
- 論文の詳細を見る
The culture fluid of the fungus Aureobasidium pullulans and the exopolysaccharide solution obtained by removal of the microbial cells exhibit a marked shear dependence of viscosity. The viscosity in a high shear rate region was a little higher than that predicted by a non-Newtonian viscosity equation derived previously on the basis of the concept of traveling force. In a sample exhibiting such high shear rate dependence, a hydrodynamic effect based on the fluid structure of the binding of contacting polymers and suspended microbial cells on viscosity becomes comparatively significant. A model for the shear rate dependence of the viscosity is needed to elucidate the mechanism of the viscosity behavior. A term concerning the increase in viscosity caused by the binding of polymers and the microbial cells suspended in a medium was added to the previous viscosity equation. The experimental shear dependence of the viscosity was well simulated by the modified viscosity equation.
- 社団法人日本生物工学会の論文
- 2003-05-25
著者
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Toda Kiyoshi
Department of Applied Chemistry and Biotechnology, Niigata Institute of Technology
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Toda K
Univ. Tokyo Tokyo Jpn
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Toda K
Department Of Applied Chemistry And Biotechnology Niigata Institute Of Technology
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Toda Kiyoshi
Department Of Applied Chemistry And Biotechnology Niigata Institute Of Technology
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Toda K
Faculty Of Engineering Niigata Institute Of Technology
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MIYAWAKI Osato
Department of Applied Biologicao Chemistry, The University of Tokyo
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Tayama Kenji
Nakano Biochemical Research Institute Nakano Vinegar Co. Ltd.
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Toda Kiyoshi
Faculty Of Engineering Niigata Institute Of Technology
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Miyawaki O
Univ. Tokyo Tokyo Jpn
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Miyawaki Osato
Department Of Agricultural Chemistry Faculty Of Agriculture The University Of Tokyo
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FURUSE HISAMOTO
Institute of Molecular and Cellular Biosciences, The University of Tokyo
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YABE ISAMU
Institute of Molecular and Cellular Biosciences, University of Tokyo
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ASAKURA TOMOKO
Department of Applied Biological Chemistry, University of Tokyo
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Asakura T
Department Of Applied Biological Chemistry University Of Tokyo
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Furuse H
Univ. Tokyo Tokyo Jpn
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Furuse Hisamoto
Institute Of Applied Microbiology University Of Tokyo
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Yabe I
The Institute Of Molecular And Cellular Biosciences The University Of Tokyo
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Yabe Isamu
Institute Of Applied Microbiology University Of Tokyo
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Amari T
Chiba Univ. Chiba Jpn
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