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[边界脂质在生物膜相变中的作用]

[The role of boundary lipids in phase transitions of biological membranes].

作者信息

Fishbeĭn L A

出版信息

Biofizika. 1989 Sep-Oct;34(5):785-91.

PMID:2611276
Abstract

In terms of the Landau thermodynamic expansion the model of lipid-protein interaction is considered for the case of relatively low protein concentrations. It is established that the proteins inserted into the lipid membrane can change its phase transition temperature. The expression determining the region size of the "boundary" lipids is obtained and the connection between the ordering extent of the "boundary" lipids and the sign and the value of the temperature shift of the phase transition is calculated.

摘要

就朗道热力学展开而言,在蛋白质浓度相对较低的情况下考虑脂质 - 蛋白质相互作用模型。已确定插入脂质膜中的蛋白质会改变其相变温度。得到了确定“边界”脂质区域大小的表达式,并计算了“边界”脂质的有序程度与相变温度偏移的符号和值之间的关系。

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