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题名: Capture on high curvature region: Aggregation of colloidal particle bound to giant phospholipid vesicles
作者: Liu, QH ;  Liu, JX ;  Zhong-Can, OY
刊名: MODERN PHYSICS LETTERS B
出版日期: 1999
卷号: 13, 期号:16, 页码:555-562
关键词: LIPID COMPLEXES ;  DNA ;  MEMBRANES ;  ELASTICITY ;  SHAPES ;  PHASE
学科分类: Physics
通讯作者: Liu, QH , Hunan Univ, Dept Phys, Changsha 410082, Peoples R China.
部门归属: Hunan Univ, Dept Phys, Changsha 410082, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: A very recent observation on the membrane-mediated attraction and ordered aggregation of colloidal particles bound to giant phospholipid vesicles (I. Koltover, J. O. Radler and C. R. Safinya, Phys. Rev. Lett. 82, 1991 (1999)) is investigated theoretically within the framework of Helfrich curvature elasticity theory of lipid bilayer fluid membrane. Since the concave or waist regions of the vesicle possess the highest local bending energy density, the aggregation of colloidal beads on these places can reduce the elastic energy in maximum. Our calculation shows that a bead in the concave region lowers its energy by similar to 20k(B)T. For an axisymmetrical dumbbell vesicle, the local curvature energy density along the waist is of equal maximum, thus, the beads can be distributed freely with varying separation distance.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000082778300004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13119
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Liu, QH,Liu, JX,Zhong-Can, OY. Capture on high curvature region: Aggregation of colloidal particle bound to giant phospholipid vesicles[J]. MODERN PHYSICS LETTERS B,1999,13(16):555-562.
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