Study of nanomechanical properties of biological membranes using atomic force microscopy

被引：0
|
作者：
Potaturkina-Nesterova N.I. [1 ]
Artamonova M.N. [1 ]
Kostishko B.B. [2 ]
Pchelintseva E.S. [2 ]
Nesterov A.S. [1 ]
机构：
[1] Federal State Budgetary Educational Institution of Higher Professional Education Ulyanovsk State University, Ulyanovsk
[2] Laboratory of Probe and Electronic Microscopy, Kapitsa Research Technological Institute Ulyanovsk
来源：
Nanotechnologies in Russia | 2015年 / 10卷 / 7-8期
关键词：
Atomic Force Microscopy; Biological Membrane; Surface Roughness; Adhesion Activity; Nanomechanical Property;
D O I：
10.1134/S1995078015040163
中图分类号：
学科分类号：
摘要：
Nanomechanical properties of biological membranes have been studied using atomic force microscopy in terms of bacterial cells Bacillus subtilis at different stages of cultivation. It has been established that, during the cultivation of bacillus (for 10 h), there was an increase in the elasticity of biomembrane; at further incubation (24 h), a decrease in this parameter was observed. In 18 h of cultivation, an increase in adhesion activity of membrane of bacteria was observed, which was replaced by decreasing the adhesion force after daily cultivation. The aging of the bacterial culture was accompanied by an increase in the roughness of bacterial cells, the formation of folds on the surface of membranes, and an increase in their sizes. © Pleiades Publishing, Ltd., 2015.
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收藏
页码：636 / 639
页数：3
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