Periodic Pattern of Electric Potential in Chara Internodal Cell
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- Hayashi Kenshi
- Department of Electronics, Faculty of Engineering, Kyushu University
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- Fujiyoshi Takanori
- Department of Electronics, Faculty of Engineering, Kyushu University
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- Toko Kiyoshi
- Department of Electronics, Faculty of Engineering, Kyushu University
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- Yamafuji Kaoru
- Department of Electronics, Faculty of Engineering, Kyushu University
書誌事項
- タイトル別名
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- Periodic Pattern of Electric Potential in <I>Chara</I> Internodal Cell
- Periodic Pattern of Electric Potential
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A spatial pattern of the electric potential formed by a characean internodal cell is investigated experimentally. A multi-electrode measuring system is used to pursue the dynamic properties of the pattern. It is shown that periodic low-potential regions are formed after the entire transient increase over the cell when the light is imposed on. Under constant illumination an electric oscillation is found. These experimental data are also discussed by the use of a spectrum analysis; the formation of the pattern is a bifurcation phenomenon of soft-mode instability realizing far from equilibrium, accompanied by sharpening of spectrum of a particular wave mode. A long-range coherence extending over 1 cm is also shown to exist in the high-potential region, where protons are extruded by H+-ATPase molecules existing within the membrane.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 56 (2), 810-820, 1987
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679162040576
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- NII論文ID
- 110001960329
- 210000093826
- 130003899397
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1987JPSJ...56..810H
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- COI
- 1:CAS:528:DyaL2sXhsFegsbs%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 3121205
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可