利用拉普拉斯变换分析估算珊瑚藻膜工作阻抗谱。

Membrane Operational Impedance Spectra in Chara corallina Estimated by Laplace Transforms Analysis.

机构信息

Laboratoire Thermodynamique Electrochimique, Université Libre de Bruxelles, Faculté des Sciences CP 160, Av. F. Roosevelt, 50, B-1050 Brussels, Belgium.

出版信息

Plant Physiol. 1986 Jul;81(3):919-21. doi: 10.1104/pp.81.3.919.

DOI:10.1104/pp.81.3.919

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1075450/

Abstract

The membrane operational impedance spectrum of Chara corallina Klein ex Willd. (R. Brown) cells is investigated using Laplace transform analysis. The spectrum changes with both amplitude and sign of the electrical stimulation when time- and voltage-dependent K(+) channels contribute to the membrane conductance. We compare the advantages and disadvantage of this technique for studying membrane impedance with those of the alternating current method and the white noise method.

摘要

利用拉普拉斯变换分析研究了小珊瑚 Chara corallina Klein ex Willd.（R. Brown）细胞的膜工作阻抗谱。当时间和电压依赖性 K(+) 通道对膜电导有贡献时，频谱随电刺激的幅度和符号而变化。我们比较了这种技术与交流方法和白噪声方法在研究膜阻抗方面的优缺点。

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本文引用的文献

1

Transmembrane impedance of the Chara cell.轮藻细胞的跨膜阻抗。

Jpn J Physiol. 1974 Aug;24(4):403-17. doi: 10.2170/jjphysiol.24.403.

2

Dielectric measurements of Nitellopsis obtusa cells with intracellular electrodes.使用细胞内电极对钝节拟丽藻细胞进行介电测量。

Radiat Environ Biophys. 1974 Jun 10;11(2):91-109. doi: 10.1007/BF01559761.

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