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Naito, H; Okuda, M; Zhongcan, OY; Naito, H , UNIV OSAKA PREFECTURE,DEPT PHYS & ELECT,GAKUEN CHO,SAKAI,OSAKA 593,JAPAN.
Polygonal shape transformation of a circular biconcave vesicle induced by osmotic pressure
Source PublicationPHYSICAL REVIEW E
KeywordRed Blood-cell Axisymmetrical Vesicles Phospholipid-vesicles Curvature Elasticity Bilayer Vesicles Fluid Membranes Bending Energy Erythrocyte Transitions Instability
AbstractPolygonal shape transformation processes observed in liposomes [H. Hotani, J. Mol. Biol. 178, 113 (1984)] have been analyzed on the basis of the HeLfrich spontaneous curvature model. First. a mathematical solution for the biconcave axisymmetric vesicles [H. Naito, M. Okuda, and Z. Ou-Yang, Phys. Rev. E 47, 2304 (1993)] is derived, and then the second variation of the shape energy of the slightly deformed vesicles from the biconcave shape is calculated. After the minimization of the shape energy, it is found that the biconcave vesicle is transformed into elliptical, triangular, square, pentagonal, or other polygonal shapes above the threshold osmotic pressure difference, At a constant value of Delta V/V-0, the osmotic pressure is found to be a monotonic increasing function of lit, except for m=2, where V-0 is the initial volume of the biconcave vesicle, Delta V is the change in the volume of the deformed vesicle, and nr denotes mth polygonal deformation. It is shown that the experimental results of the polygonal shape transformation in liposomes can be well explained by the present theoretical predictions.
1996
ISSN1063-651X
Volume54Issue:3Pages:2816-2826
Subject AreaPhysics
Indexed BySCI
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Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12591
Collection理论物理所科研产出_SCI论文
Corresponding AuthorNaito, H , UNIV OSAKA PREFECTURE,DEPT PHYS & ELECT,GAKUEN CHO,SAKAI,OSAKA 593,JAPAN.
Recommended Citation
GB/T 7714
Naito, H,Okuda, M,Zhongcan, OY,et al. Polygonal shape transformation of a circular biconcave vesicle induced by osmotic pressure[J]. PHYSICAL REVIEW E,1996,54(3):2816-2826.
APA Naito, H,Okuda, M,Zhongcan, OY,&Naito, H , UNIV OSAKA PREFECTURE,DEPT PHYS & ELECT,GAKUEN CHO,SAKAI,OSAKA 593,JAPAN..(1996).Polygonal shape transformation of a circular biconcave vesicle induced by osmotic pressure.PHYSICAL REVIEW E,54(3),2816-2826.
MLA Naito, H,et al."Polygonal shape transformation of a circular biconcave vesicle induced by osmotic pressure".PHYSICAL REVIEW E 54.3(1996):2816-2826.
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