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[电致伸缩引起的双层脂质膜横向变形]

[Transverse deformation of bilayer lipid membranes due to electrostriction].

作者信息

Pasechnik V I

出版信息

Biofizika. 1982 Jul-Aug;27(4):726-7.

PMID:7126675
Abstract

The values of the Young's modulus of bilayer membranes (BLM) in transverse direction E perpendicular low compared to the same E parallel in BLM plane, may be determined by the capacity method only for membranes with alternative thickness. The measured values of thickness change characterize in general the striction of thin regions of the BLM. In the case of large transverse dimensions of microinhomogeneities the BLM reflectivity change is a function of the dilation of thick BLM regions but not striction of its thin regions induced with electrical potential.

摘要

双层膜(BLM)横向杨氏模量E垂直的值与BLM平面内平行的相同E相比很低,仅对于具有交替厚度的膜,可通过电容法确定。所测量的厚度变化值通常表征了BLM薄区域的收缩。在微观不均匀性横向尺寸较大的情况下,BLM反射率变化是厚BLM区域膨胀的函数,而不是由电势引起的薄区域收缩的函数。

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