Excluded volume reduced mechanical stability for an intrinsically curved biopolymer
學年 108
學期 2
出版（發表）日期 2020-04-01
作品名稱 Excluded volume reduced mechanical stability for an intrinsically curved biopolymer
作品名稱（其他語言）
著者 Zicong Zhou(周子聰); Béla Joós
單位
出版者
著錄名稱、卷期、頁數 Chinese Journal of Physics 64, p.219–226
摘要 We find that the excluded volume interaction (EVI) can accelerate an abrupt transition in extension for an intrinsically curved two-dimensional semiflexible biopolymer. It makes the transition much sharper, reduces the critical force remarkably, and the larger the persistent length or the intrinsic curvature, the larger the reduction in critical force. The transition is caused by a collective change in bending angles associated with removing cusps owing to thermal fluctuation. Our results reveal that EVI can excite a cooperative behavior, straighten more bonds simultaneously so cause a sharper transition. The transition is dominated by the mechanical force because the specific heat does not divergence. Our findings suggest that an intrinsically curved biopolymer can act as a switch or sensor in some biological processes.
關鍵字 Excluded volume interaction;Intrinsic curvature;Phase transition;Semiflexible;biopolymer;Mechanical property
語言 en_US
ISSN
期刊性質 國內
收錄於 SCI EI
產學合作
通訊作者 Zicong Zhou
審稿制度 是
國別 TWN
公開徵稿
出版型式 ,電子版,紙本
相關連結

機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/118677 )