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On the new type of preamplifier ior practical use of intracellular electrode Tadayuki Matsuo 1 , Koji Uchizono 2 1Research Institute of Electrical Communication, Tohoku University 2Department of Physiology, Niigata University School of Medicine pp.37-40
Published Date 1958/2/15
DOI https://doi.org/10.11477/mf.2425905987
  • Abstract
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 The new type of preamplifier for physiolo-gical workers was described. The use of the high imput-impedance of the intracellular micro-electrode have been limited by the poor fidelity of the square pulse applied through the electrode. Usually it is recogni-zed that the electrode resistance should be less than 50 MΩ to obtain the reliable wave form of the action potential. The rise-time of the input circuit must be less than 100μsec.


Copyright © 1958, THE ICHIRO KANEHARA FOUNDATION. All rights reserved.

基本情報

電子版ISSN 1883-5503 印刷版ISSN 0370-9531 金原一郎記念医学医療振興財団

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