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首页> 外文期刊>European Biophysics Journal >CONDUCTOMETRIC PROPERTIES OF HUMAN ERYTHROCYTE MEMBRANES - DEPENDENCE ON HAEMATOCRIT AND ALKALI METAL IONS OF THE SUSPENDING MEDIUM
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CONDUCTOMETRIC PROPERTIES OF HUMAN ERYTHROCYTE MEMBRANES - DEPENDENCE ON HAEMATOCRIT AND ALKALI METAL IONS OF THE SUSPENDING MEDIUM

机译:人体红细胞膜的电导性质-与悬浮介质的血细胞比容和碱金属离子的关系。

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摘要

The electrical properties of the cytoplasmatic membrane of human erythrocyte cells have been evaluated by means of dielectric spectroscopy measurements in the radiowave frequency range, using the so-called ''suspension method''. Measurements have been carried out at different volume fractions of the corpuscular phase (the cell haematocrit) in order to investigate the influence of the cell-cell interactions on the electrical parameters (the membrane permittivity epsilon and the membrane conductivity sigma) of the cell membrane and a set of new values are proposed. Moreover, the influence of different alkali metal ions (Na+, K+, Cs+, Li+) on the ion permeation properties of the membrane are investigated and the structural alterations in the membrane organized briefly discussed. [References: 34]
机译:已经通过使用所谓的“悬浮法”在无线电波频率范围内的介电谱测量来评估人红细胞的细胞质膜的电特性。为了研究细胞-细胞相互作用对细胞膜和细胞膜的电参数(膜介电常数ε和膜电导率sigma)的影响,已经在细胞相的不同体积分数(细胞血细胞比容)中进行了测量。提出了一组新的价值。此外,研究了不同的碱金属离子(Na +,K +,Cs +,Li +)对膜离子渗透性能的影响,并简要讨论了膜中的结构变化。 [参考:34]

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