Stretching strongly confined semiflexible polymer chain

被引:0
|
作者
王记增 [1 ]
李润华 [1 ]
机构
[1] Key Laboratory of Mechanics on Disaster and Environment in Western China, the Ministry of Education, College of Civil Engineering and Mechanics, Lanzhou University
基金
中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;
关键词
semiflexible polymer chain; confinement; wormlike chain(WLC) model; Brownian dynamics(BD) simulation;
D O I
暂无
中图分类号
Q71 [生物大分子的结构和功能];
学科分类号
071010 ;
摘要
By the so-called wormlike chain(WLC) model in polymer physics envisioning an isotropic rod that is continuously flexible, the force-extension relations of semiflexible polymer chains strongly constrained by various confinements are theoretically investigated, including a slab-like confinement where the polymer chains are sandwiched between two parallel impenetrable walls, and a capped nanochannel confinement with a circular or rectangular cross-section where the chains are bounded in three directions. The Brownian dynamics(BD) simulations based on the generalized bead-rod(GBR) model are performed to verify the theoretical predictions.
引用
收藏
页码:1233 / 1238
页数:6
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