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Effects of Embedded Carbon Nanotube on Properties of Biomembrane
Li XY(李晓毅); Li, XY; Shi, YC; Miao, B; Zhao, YL; Zhao YL(赵宇亮)
2012
发表期刊JOURNAL OF PHYSICAL CHEMISTRY B
卷号116期号:18页码:5391-5397
摘要We investigated the interaction between embedded nanotube and biomembrane using molecular dynamics (MD) simulations. The effects of embedded nanotube on biomembrane were characterized by investigating the influence on the conformational fluctuation of individual lipid molecules, the organization of membrane molecules, the diffusion behavior of lipid molecules, and the diffusion behavior of penetrants inside biomembrane. The steric interaction with the nanotube leads to an entropy reduction of interfacial membrane molecules, while the long-range electrostatic interaction with the N-DWCNT enhances the conformational fluctuation of lipid molecules. The curvature of embedded nanotube could also influence the flexibility of lipid molecules. When the interaction between nanotube and the membrane molecules is weak, the packing density of the membrane is almost unaffected. On the contrary, when the attraction between nanotube and the membrane molecules significantly increases, the attraction among the membrane molecules decreases effectively, which leads to a relaxation of the organization of membrane. With the increase of the strength of electrostatic interaction between nanotube and small polar molecules, interaction-modified friction increases, which leads to the decrease of the diffusion constant of penetrants inside the biomembrane.
学科领域Chemistry
DOI10.1021/jp301864z
收录类别SCI
WOS记录号WOS:000303786500008
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224260
专题多学科研究中心
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GB/T 7714
Li XY,Li, XY,Shi, YC,et al. Effects of Embedded Carbon Nanotube on Properties of Biomembrane[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2012,116(18):5391-5397.
APA 李晓毅,Li, XY,Shi, YC,Miao, B,Zhao, YL,&赵宇亮.(2012).Effects of Embedded Carbon Nanotube on Properties of Biomembrane.JOURNAL OF PHYSICAL CHEMISTRY B,116(18),5391-5397.
MLA 李晓毅,et al."Effects of Embedded Carbon Nanotube on Properties of Biomembrane".JOURNAL OF PHYSICAL CHEMISTRY B 116.18(2012):5391-5397.
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