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题名: Depletion effect and biomembrane budding
作者: Liu, YH ;  Chen, YB ;  Jiang, CM ;  Li, BK ;  Tang, YL ;  Hu, L ;  Deng, LH
刊名: JOURNAL OF BIOLOGICAL PHYSICS
出版日期: 2013
卷号: 39, 期号:4, 页码:665-671
关键词: RECEPTOR-MEDIATED ENDOCYTOSIS ;  COLLOID-POLYMER MIXTURE ;  MACROMOLECULAR STRUCTURE ;  PHASE-SEPARATION ;  MEMBRANES ;  VESICLES ;  CONFINEMENT ;  DETERMINANT ;  REACTIVITY ;  ELASTICITY
学科分类: Physics
通讯作者: Hu, L (reprint author), Guizhou Univ, Coll Sci, Guiyang 550025, Peoples R China.
部门归属: [Liu, Yanhui; Chen, Yingbing; Jiang, Chongming; Li, Baike; Tang, Yanlin; Hu, Lin] Guizhou Univ, Coll Sci, Guiyang 550025, Peoples R China; [Liu, Yanhui] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Deng, Linhong] Changzhou Univ, Inst Biomed Engn & Hlth Sci, Changzhou 213164, Jiangsu, Peoples R China; [Deng, Linhong] Chongqing Univ, Minist Educ, Bioengn Coll, Key Lab Biorheol Sci & Technol, Chongqing 400044, Peoples R China
英文摘要: Depletion effects are well known to lead to phase separation in microsystems consisting of large and small particles with short-range repulsive interactions that act over macromolecular length scales. The equilibrium mechanics between an enveloped colloidal particle and a biomembrane caused by entropy is investigated by using a continuum model. We show that the favorable contact energy stems from entropy, which is sufficient to drive engulfment of the colloidal particle, and deformation of the biomembrane determines the resistance to the engulfment of the colloidal particle. The engulfment process depends on the ratio of the radii of the larger particle and smaller particles and the bending rigidity. The results show insights into the effects of depletion on biomembrane budding and nanoparticle transportation by a vesicle.
资助者: National Natural Science Foundation of China [11047022, 11164004, 41061039, 30770529]; Guizhou provincial tracking key program of social development [SZ20113069, SY20093086]; Grant for Visiting Scholar of the Key Laboratory of Biorheological Science and Technology of Ministry of Education (Chongqing University)
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000323738800006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15288
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Liu, YH,Chen, YB,Jiang, CM,et al. Depletion effect and biomembrane budding[J]. JOURNAL OF BIOLOGICAL PHYSICS,2013,39(4):665-671.
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