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[电致伸缩引起的双层脂质膜反射率振荡的可能机制]

[Possible mechanism of oscillations of the bilayer lipid membrane reflectivity induced by electrostriction].

作者信息

Pasechnik V I

出版信息

Biofizika. 1982 May-Jun;27(3):469-74.

PMID:7093331
Abstract

A mechanism of oscillations of the bilayer lipid membrane (BLM) reflectivity obtained in the paper (3) is proposed for two different light polarisations (R parallel, R perpendicular). The measurements of BLM capacity show inphase R parallel and R perpendicular oscillations appearing with lag time some msec after application of the electric voltage to BLM not connected with bilayer thickness. These oscillations are possibly generated with ripple waves spreading from torus to BLM center and changing BLM curvature. The curvature changes can be registered during BLM reflectivity measurements in the case of special apparatus arrangement and interpreted as seeming R parallel and R perpendicular in phase changes.

摘要

本文(3)针对两种不同的光偏振(R平行、R垂直)提出了双层脂质膜(BLM)反射率振荡的一种机制。BLM电容测量显示,在向未与双层厚度相关的BLM施加电压后几毫秒的滞后时间出现同相的R平行和R垂直振荡。这些振荡可能是由从圆环向BLM中心传播并改变BLM曲率的涟漪波产生的。在特殊的仪器布置情况下,曲率变化可在BLM反射率测量期间记录下来,并被解释为看似R平行和R垂直的相位变化。

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