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Shapes of lipid monolayer domains: Solutions using elliptic functions
Iwamoto, M.; Liu, F.; Ou-Yang, Z. C.; Iwamoto, M , Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, 2-12-1 Ookayama, Tokyo 1528552, Japan
2008
发表期刊EUROPEAN PHYSICAL JOURNAL E
ISSN1292-8941
卷号27期号:1页码:81-86
摘要Solid lipid monolayer domains surrounded by a fluid phase at an air-water interface exhibit complex shapes. These intriguing shapes can be understood in terms of a competition between line tension and long-range dipole-dipole interaction. The dipolar energy has recently been relevant to a negative line tension and a positive curvature energy at the boundary, and a corresponding shape equation was derived by the variation of the approximated domain energy (Phys. Rev. Lett. 93, 206101 (2004)). Here we further incorporate surface pressure into the shape equation and show that the equation can be analytically solved: the curvature of the domain boundary is exactly obtained as an elliptic function of arc-length. We find that a circular domain can grow into bean-and peach-like domains with pressure, i.e., dipping and cuspidal transitions of circle by compression. The comparison with the experimental observation shows nice agreement.
部门归属[Iwamoto, M] Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, Tokyo 1528552, Japan; [Liu, F] Singular Univ, Ctr Adv Study, Beijing 100084, Peoples R China; [Ou-Yang, ZC] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Fluorescence Microscopy Langmuir Monolayers Transitions Vesicles Interface Membranes Crystals Phase
学科领域Physics
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收录类别SCI
WOS记录号WOS:000259821300010
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5469
专题理论物理所1978-2010年知识产出
通讯作者Iwamoto, M , Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, 2-12-1 Ookayama, Tokyo 1528552, Japan
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Iwamoto, M.,Liu, F.,Ou-Yang, Z. C.,et al. Shapes of lipid monolayer domains: Solutions using elliptic functions[J]. EUROPEAN PHYSICAL JOURNAL E,2008,27(1):81-86.
APA Iwamoto, M.,Liu, F.,Ou-Yang, Z. C.,&Iwamoto, M , Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, 2-12-1 Ookayama, Tokyo 1528552, Japan.(2008).Shapes of lipid monolayer domains: Solutions using elliptic functions.EUROPEAN PHYSICAL JOURNAL E,27(1),81-86.
MLA Iwamoto, M.,et al."Shapes of lipid monolayer domains: Solutions using elliptic functions".EUROPEAN PHYSICAL JOURNAL E 27.1(2008):81-86.
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