Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Technical Papers
Control of the Cross Membrane Potential of a Cultured Tobacco Cell and Simultaneous Measurement of the Electrical Impedance of Its Cell Membrane
Hidekazu SOTOYAMAMikako SAITOKi-Bong OHHideaki MATSUOKA
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JOURNALS OPEN ACCESS

1999 Volume 67 Issue 1 Pages 18-21

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Abstract

The intracellular potentia1 (VICP) and the cell membrane electrical impedance (ZCM) of a cultured tobacco cel1, line BY-2, were measured simultaneously using a multifunctional microelectrode. In the experiment done in this study, VICP corresponded to the cross membrane potentia1 (VCMP) of the cell. When a control potentia1 (VCON) was varied stepwise in a range from −100 ~ +100mV, VCMP changed accordingly without any significant change in |ZCM|. The relationship between VCON and the change in VCMPVCMP) showed an asymmetrical property; ΔVCMP/VCON for positive VCON was smaller than that for negative VCON.

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© 1999 The Electrochemical Society of Japan
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