Hydrodynamic interactions induce movement against an external load in a ratchet dimer Brownian motor

被引：4

作者：

Fornes, Jose A. ^{[1
]}

机构：

[1] Univ Fed Goias, Inst Fis, BR-74001970 Goiania, Go, Brazil

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2010年 / 341卷 / 02期

关键词：

Dimer Brownian motors; Hydrodynamic interactions; Brownian dynamics; Molecular motors; Coupled Brownian motors; Transport of two coupled particles; TRANSPORT;

D O I：

10.1016/j.jcis.2009.09.057

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We use the Brownian dynamics with hydrodynamic interactions simulation in order to describe the movement of a elastically coupled dinner Brownian motor in a ratchet potential. The only external forces considered in our system were the load, the random thermal noise and an unbiased thermal fluctuation. For a given set of parameters we observe direct movement against the load force if hydrodynamic interactions were considered. (C) 2009 Elsevier Inc. All rights reserved.

引用

页码：376 / 379

页数：4

共 11 条

[1]

Doi M., 1986, THEORY POLYM DYNAMIC

[2] BROWNIAN DYNAMICS WITH HYDRODYNAMIC INTERACTIONS [J].

ERMAK, DL ;

MCCAMMON, JA .

JOURNAL OF CHEMICAL PHYSICS, 1978, 69 (04) :1352-1360

[3] Hydrodynamic flow caused by active transport along cytoskeletal elements [J].

Houtman, D. ;

Pagonabarraga, I. ;

Lowe, C. P. ;

Esseling-Ozdoba, A. ;

Emons, A. M. C. ;

Eiser, E. .

EPL, 2007, 78 (01)

[4] Molecular motor traffic:: From biological nanomachines to macroscopic transport [J].

Lipowsky, Reinhard ;

Chai, Yan ;

Klumpp, Stefan ;

Liepelt, Steffen ;

Mueller, Melanie J. I. .

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 2006, 372 (01) :34-51

[5]

OSEEN CW, 1927, HYDRODYNAMIK

[6] Introduction to the physics of Brownian motors [J].

Reimann, P ;

Hänggi, P .

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2002, 75 (02) :169-178

[7]

TAOA YG, 2008, J CHEM PHYS, V128

[8] Dynamics of a dimer in a symmetric potential: Ratchet effect generated by an internal degree of freedom [J].

von Gehlen, Sebastian ;

Evstigneev, Mykhaylo ;

Reimann, Peter .

PHYSICAL REVIEW E, 2008, 77 (03)

[9] Transport coherence in coupled Brownian ratchet [J].

Wang, Hai-Yan ;

Bao, Jing-Dong .

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 2007, 374 (01) :33-40

[10] Cooperation behavior in transport process of coupled Brownian motors [J].

Wang, HY ;

Bao, JD .

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 2005, 357 (3-4) :373-382

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