Confinement of spherical colloid particles in a soft fluid membrane tube

doi:10.1088/1674-1056/23/3/038701

中国物理B ›› 2014, Vol. 23 ›› Issue (3): 38701-038701.doi: 10.1088/1674-1056/23/3/038701

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Confinement of spherical colloid particles in a soft fluid membrane tube

郑斌, 孟庆田

College of Physics and Electronics, Shandong Normal University, Jinan 250014, China

收稿日期:2013-08-13 修回日期:2013-09-21 出版日期:2014-03-15 发布日期:2014-03-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11074151).

Confinement of spherical colloid particles in a soft fluid membrane tube

Zheng Bin (郑斌), Meng Qing-Tian (孟庆田)

College of Physics and Electronics, Shandong Normal University, Jinan 250014, China

Received:2013-08-13 Revised:2013-09-21 Online:2014-03-15 Published:2014-03-15
Contact: Meng Qing-Tian E-mail:qtmeng@sdnu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11074151).

摘要/Abstract

摘要： 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 close contact of spheres and structures that contain well separated spheres are found in this calculation.

关键词: membrane, Helfrich model

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 close contact of spheres and structures that contain well separated spheres are found in this calculation.

Key words: membrane, Helfrich model

中图分类号: (Analytical theories)

87.15.ad

87.15.kt (Protein-membrane interactions) 68.35.Np (Adhesion)

郑斌, 孟庆田. Confinement of spherical colloid particles in a soft fluid membrane tube[J]. 中国物理B, 2014, 23(3): 38701-038701.

Zheng Bin (郑斌), Meng Qing-Tian (孟庆田). Confinement of spherical colloid particles in a soft fluid membrane tube[J]. Chin. Phys. B, 2014, 23(3): 38701-038701.

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Confinement of spherical colloid particles in a soft fluid membrane tube

Confinement of spherical colloid particles in a soft fluid membrane tube

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