2014
DOI: 10.1088/1674-1056/23/3/038701
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Confinement of spherical colloid particles in a soft fluid membrane tube

Abstract: We investigate the structure of multiple spherical particles confined in a soft membrane tube that originally has a cylindrical shape. Assuming an attraction energy between the surface of the spherical particle and the inner wall of the membrane tube, we show that a variety of conformational structures can be stabilized on the basis of analyzing a Helfrich energy for the soft tube. Using a numerical approach, we calculate the phase diagram in terms of basic parameters in the system. Structures that prefer clos… Show more

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Cited by 3 publications
(6 citation statements)
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“…Valid for small-particle adsorption, the bending energy difference, equation (19), was obtained without the explicit consideration of calculating the membrane shape curve, which has been done previously. [5,10,16,17,[30][31][32][33][34][35][36] Note that a 0 , through K 0 , is adhesion-site specific.…”
Section: Bending Energy Of the Vesicle-particle Complexmentioning
confidence: 99%
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“…Valid for small-particle adsorption, the bending energy difference, equation (19), was obtained without the explicit consideration of calculating the membrane shape curve, which has been done previously. [5,10,16,17,[30][31][32][33][34][35][36] Note that a 0 , through K 0 , is adhesion-site specific.…”
Section: Bending Energy Of the Vesicle-particle Complexmentioning
confidence: 99%
“…The two examples, v = 0.6 and v = 0.95, are shown by filled and open symbols in the figure . As the particle's radius is reduced (or y increases), we can see that the numerical results converge to the theoretical curves for small R p , equation (20), plotted as the solid curve for v = 0.95 and dashed curve for v = 0.6. The numerical results were obtained by solving the shape equation exactly; [17] the theoretical prediction, equation (19), is made by an expansion on the small particle radius. Triangles, squares, and circles correspond to vesicle to particle dimension ratio, y = 21.5, 36.8, and 46.4, respectively.…”
Section: Bending Energy Of the Vesicle-particle Complexmentioning
confidence: 99%
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