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[紫外线照射后磷脂膜的质子渗透性和电击穿]

[Proton permeability and electric breakdown of phospholipid membranes after UV-irradiation].

作者信息

Putvinskiĭ A V, Puchkova T V

出版信息

Biofizika. 1981 May-Jun;26(3):481-6.

PMID:6266512
Abstract

Lipid peroxidation induced in bilayer lipid membranes (BLM) by UV-irradiation leads to two types of effects: selective in proton permeability and electric breakdown of the membranes. Both phenomena are always observed but the contribution of each in the membrane conductivity increase depends on the lipid nature (degree of unsaturation of fatty acids) and the value of transmembrane applied to BLM or generated by the membrane itself.

摘要

紫外线照射诱导双层脂质膜(BLM)产生脂质过氧化作用,会导致两种效应:质子渗透性的选择性变化以及膜的电击穿。这两种现象总是会被观察到,但它们各自对膜电导率增加的贡献取决于脂质的性质(脂肪酸的不饱和度)以及施加于BLM的跨膜电压值或由膜自身产生的跨膜电压值。

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