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锂离子作用下蛙皮电位的振荡:理论公式

Oscillation of the electrical potential of the frog skin under the effect of Li+: theoretical formulation.

作者信息

Lassalles J P, Hyver C, Thellier M

出版信息

Biophys Chem. 1981 Sep;14(1):65-80. doi: 10.1016/0301-4622(81)87007-x.

DOI:10.1016/0301-4622(81)87007-x
PMID:7317566
Abstract

A theoretical model of oscillation is proposed. It is based on the non-linearity introduced in the functioning of the active pump by the presence of lithium. Other plausible causes of oscillation are shown not to interfere in this case. The oscillation is of the local type. Synchronization between the local oscillators is not achieved by diffusional, but by electrical coupling. Numerical calculation shows that the model fits reasonably well to the experimental data.

摘要

提出了一种振荡理论模型。它基于锂的存在在活性泵功能中引入的非线性。结果表明,在这种情况下,其他可能的振荡原因不会产生干扰。这种振荡是局部类型的。局部振荡器之间的同步不是通过扩散实现的,而是通过电耦合实现的。数值计算表明,该模型与实验数据拟合得相当好。

相似文献

1
Oscillation of the electrical potential of the frog skin under the effect of Li+: theoretical formulation.锂离子作用下蛙皮电位的振荡:理论公式
Biophys Chem. 1981 Sep;14(1):65-80. doi: 10.1016/0301-4622(81)87007-x.
2
Oscillation of the electric potential of frog skin under the effect of Li+: experimental approach.Li⁺作用下蛙皮电位的振荡:实验方法
J Membr Biol. 1980 Sep 30;56(2):107-19. doi: 10.1007/BF01875962.
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Correlation between damping coefficients and externally injected currents in oscillations produced by lithium ions in frog skin.蛙皮中锂离子产生的振荡中阻尼系数与外部注入电流之间的相关性。
J Exp Biol. 1988 Mar;135:51-64. doi: 10.1242/jeb.135.1.51.
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Electrical rectification of the sodium flux across the apical barrier of frog skin epithelium.蛙皮上皮顶端屏障处钠通量的电整流作用。
Soc Gen Physiol Ser. 1981;36:15-30.
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Transient current changes and Na compartimentalization in frog skin epithelium.蛙皮上皮细胞中的瞬态电流变化和钠的区室化
Pflugers Arch. 1975 Jul 21;358(2):135-57. doi: 10.1007/BF00583924.
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Influence of lithium upon the intracellular potential of frog skin epithelium.锂对蛙皮上皮细胞内电位的影响。
J Membr Biol. 1977 Dec 15;37(3-4):347-59. doi: 10.1007/BF01940939.
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Quasi-periodic behaviour in a model for the lithium-induced, electrical oscillations of frog skin.
C R Biol. 2002 Sep;325(9):917-25. doi: 10.1016/s1631-0691(02)01507-x.
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Analysis of membrane permeability coefficients of amphibian skin by means of electronic data processing. I. A new constant field equation applicable to amphibian skin potential.借助电子数据处理分析两栖动物皮肤的膜渗透系数。I. 适用于两栖动物皮肤电位的新恒定场方程。
Jpn J Physiol. 1972 Feb;22(1):1-11. doi: 10.2170/jjphysiol.22.1.
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Lithium transport across isolated frog skin epithelium.锂在离体蛙皮上皮中的转运。
J Membr Biol. 1975 Dec 4;25(1-2):75-92. doi: 10.1007/BF01868569.
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[Oscillations in the transepithelial electric potential and current under the influence of lithium].[锂影响下跨上皮电势和电流的振荡]
C R Acad Hebd Seances Acad Sci D. 1976 Jun 21;282(23):2111-4.