Study on the behavior of semiflexible polymer translocating into spherical cavity through the nanopore(半柔性大分子链穿越微孔行为的研究)

MAYuansui(马源穗); LIXiaomao(李小毛); LIPing(李萍); YANGZhiyong(杨志勇)

doi:10.3785/j.issn.1008-9497.2016.06.020

Zhejiang Daxue xuebao. Lixue ban (Nov 2016)

Study on the behavior of semiflexible polymer translocating into spherical cavity through the nanopore(半柔性大分子链穿越微孔行为的研究)

MAYuansui(马源穗),
LIXiaomao(李小毛),
LIPing(李萍),
YANGZhiyong(杨志勇)

Affiliations

MAYuansui(马源穗): ORCiD; Department of Physics, Jiangxi Agriculture University, Nanchang 330045, China(江西农业大学物理系，江西　南昌　330045)
LIXiaomao(李小毛): Department of Physics, Jiangxi Agriculture University, Nanchang 330045, China(江西农业大学物理系，江西　南昌　330045)
LIPing(李萍): Department of Physics, Jiangxi Agriculture University, Nanchang 330045, China(江西农业大学物理系，江西　南昌　330045)
YANGZhiyong(杨志勇): ORCiD; Department of Physics, Jiangxi Agriculture University, Nanchang 330045, China(江西农业大学物理系，江西　南昌　330045)

DOI: https://doi.org/10.3785/j.issn.1008-9497.2016.06.020
Journal volume & issue: Vol. 43, no. 6
pp. 740 – 745

Abstract

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采用动态蒙特卡罗模拟方法，模拟半柔性大分子链在电场作用下穿越纳米孔道进入球腔的输运过程.主要研究电场强度及半柔性大分子链的刚性强度对穿孔过程的影响.发现：平均穿孔时间τ随电场强度的增大而减小，τ与链的长度N满足标度关系τ〜Nα，并且电场强度E和弯曲能b对标度指数有显著影响.研究结果表明，当电场强度为中等时，刚性弱和刚性强的大分子的穿孔过程是完全不同的.研究半柔性大分子链穿越微孔的行为，有助于更深入认识生物大分子在生命体内的输运过程.

Published in Zhejiang Daxue xuebao. Lixue ban

ISSN: 1008-9497 (Print)
Publisher: Zhejiang University Press
Country of publisher: China
LCC subjects: Science: Mathematics: Instruments and machines: Electronic computers. Computer science; Science: Physics
Website: https://www.zjujournals.com/sci/EN/1008-9497/home.shtml

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