Measurement of Voltage Changes Caused by Movement of Ions in an Applied External Electrostatic Field

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概要

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• We studied the movement of the interface between electrolyte solution and distilled water. This movement was detected as the local electric potential change by applying an external electric field and could be expressed as ν^^-∝c^<1.00±0.05>d^<2.8±0.5>, where ν^^- is the mean traveling velocity of the interface, c the concentration of electrolyte, and d the diameter of the connecting tube used in our experimental apparatus. Our aim in the present experiment was to consider whether an ion channel in an excitable membrane can act as pore for movement of ions or not. On the assumption that the validity of the above expression can be extrapolated to the scale of diameter of the ion channel, it is concluded that ion channels in excitable membranes can not act as pores for movement of ions, but operate solely as gates.

• 日本医科大学の論文
• 1991-03-31

著者

• Kagawa Hiroshi

  Physics Department Nippon Medical School

• Kagawa Hiroshi

  Department Of Cardiovascular Surgery Jikei University School Of Medicine

• Nagai Yoshinori

  Center for Information Science, Kokushikan University

• Ogihara Toshihiko

  Department of General Science, School of Veterinary Medicine, Azabu University

• Nagai Yoshinori

  Center For Information Science Kokushikan University

• Ogihara Toshihiko

  Department Of Physiology College Of Environmental Health Azabu University

• Ohtake Ryuzaburo

  Department of Physiology, Faculty of Hygienic Technology, College of Environmental Health, Azabu Uni

• Nagai Yoshinori

  Faculty of General Education, Azabu University

• Ohtake Ryuzaburo

  Department Of Physiology Faculty Of Hygienic Technology College Of Environmental Health Azabu Univer

• Ogihara Toshihiko

  Department Of General Science School Of Veterinary Medicine Azabu University

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