A Method for the Measurement of Electrical Conductivity of Biochemical Materials in vivo : Other Areas in Science and Engineering

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概要

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• A method of measuring th electrical conductivity of solids (such as biochemical materials) is discussed. The resistance R(Ω) obtained by using a pair of electrodes with the radius a(cm) and the length l(cm) separated at the distance D(cm) gives the conductivity σ(Ω・cm)^<-1>, σ=ln(D/a)/πRl. The error caused by the difference in the size of material and the electrode separation or the electrode length is investigated. The resistivity of a raw radish is investigated as a function of the frequency as an example of this method. The order of the resistivity is l kΩ・cm at low frequency (〜100 Hz) and is 100Ω・cm at high frequency (〜1 MHz) where the current flow is not impeded by cell membrane.

• 社団法人応用物理学会の論文
• 1988-07-20

著者

• Dodo Taro

  Department Of Physics Faculty Of Science Ehime University

• YORIMOTO Koji

  Department of Physics, Faculty of Science, Ehime University

• Yorimoto Koji

  Department Of Physics Faculty Of Science Ehime University

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