Viscoelasticity and dynamics of single bipolymer chain measured withe magnetically modulated atomic force microscopy

被引：0

作者：

Kageshima, M. ^{[1
]}

Nishihara, Y. ^{[1
]}

Hirata, Y.

Inoue, T.

Naitoh, Y. ^{[1
]}

Sugawara, Y. ^{[1
]}

机构：

[1] Osaka Univ, Dept Appl Phys, Osaka 5650871, Japan

来源：

COMPLEX SYSTEMS-BOOK 1 | 2008年 / 982卷

关键词：

atomic force microscopy; biopolymer; folding; intermediate; nonequilibrium; viscoelasticity;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Viscoelactic response of a titin single molecule chain during the course of forced unraveling was studied using atomic force microscopy. Effect of transition to/from an unfolding intermediate onto the measured elasticity data was analyzed. The result hinted that emergence of the transition onto the elasticity depends on the experimental condition such as modulation force amplitude. Anomalous slow unraveling of one domain was observed and its viscoelastic response was discussed from the viewpoint of internal friction of polymer.

引用

页码：504 / +

页数：2

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