Swimming in a crystal

被引：109

作者：

Brown, Aidan T. ^{[1
]}

Vladescu, Ioana D. ^{[1
]}

Dawson, Angela ^{[1
]}

Vissers, Teun ^{[1
]}

Schwarz-Linek, Jana ^{[1
]}

Lintuvuori, Juho S. ^{[1
,2
]}

Poon, Wilson C. K. ^{[1
]}

机构：

[1] Univ Edinburgh, Sch Phys & Astron, SUPA, Edinburgh EH9 3FD, Midlothian, Scotland

[2] Univ Paris 11, Lab Phys Solides, UMR 8502, F-91405 Orsay, France

来源：

SOFT MATTER | 2016年 / 12卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

JANUS; ESCHERICHIA; SURFACE; MOTION; MICROSWIMMERS; MOVEMENT; DYNAMICS; BEHAVIOR; CAPTURE; SPHERE;

D O I：

10.1039/c5sm01831e

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 study catalytic Janus particles and Escherichia coli bacteria swimming in a two-dimensional colloidal crystal. The Janus particles orbit individual colloids and hop between colloids stochastically, with a hopping rate that varies inversely with fuel (hydrogen peroxide) concentration. At high fuel concentration, these orbits are stable for 100s of revolutions, and the orbital speed oscillates periodically as a result of hydrodynamic, and possibly also phoretic, interactions between the swimmer and the six neighbouring colloids. Motile E. coli bacteria behave very differently in the same colloidal crystal: their circular orbits on plain glass are rectified into long, straight runs, because the bacteria are unable to turn corners inside the crystal.

引用

页码：131 / 140

页数：10

共 53 条

[1] EFFECT OF NONUNIFORM ZETA POTENTIAL ON PARTICLE MOVEMENT IN ELECTRIC-FIELDS [J].

ANDERSON, JL .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1985, 105 (01) :45-54

[2] Flow pattern in the vicinity of self-propelling hot Janus particles [J].

Bickel, Thomas ;

Majee, Arghya ;

Wuerger, Alois .

PHYSICAL REVIEW E, 2013, 88 (01)

[3] Ionic effects in self-propelled Pt-coated Janus swimmers [J].

Brown, Aidan ;

Poon, Wilson .

SOFT MATTER, 2014, 10 (22) :4016-4027

[4] Gravitaxis in Spherical Janus Swimming Devices [J].

Campbell, Andrew I. ;

Ebbens, Stephen J. .

LANGMUIR, 2013, 29 (46) :14066-14073

[5] Localized Electroosmosis (LEO) Induced by Spherical Colloidal Motors [J].

Chiang, Tso-Yi ;

Velegol, Darrell .

LANGMUIR, 2014, 30 (10) :2600-2607

[6] SLOW MOTION OF A SPHERE THROUGH A VISCOUS FLUID TOWARDS A PLANE SURFACE .2. SMALL 99GAP WIDTHS INCLUDING INERTIAL EFFECTS [J].

COX, RG ;

BRENNER, H .

CHEMICAL ENGINEERING SCIENCE, 1967, 22 (12) :1753-&

[7] Methods of digital video microscopy for colloidal studies [J].

Crocker, JC ;

Grier, DG .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1996, 179 (01) :298-310

[8] Fluid dynamics and noise in bacterial cell-cell and cell-surface scattering [J].

Drescher, Knut ;

Dunkel, Joern ;

Cisneros, Luis H. ;

Ganguly, Sujoy ;

Goldstein, Raymond E. .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2011, 108 (27) :10940-10945

[9] Direct Measurement of the Flow Field around Swimming Microorganisms [J].

Drescher, Knut ;

Goldstein, Raymond E. ;

Michel, Nicolas ;

Polin, Marco ;

Tuval, Idan .

PHYSICAL REVIEW LETTERS, 2010, 105 (16)

[10] Fluid Dynamics of Bacterial Turbulence [J].

Dunkel, Joern ;

Heidenreich, Sebastian ;

Drescher, Knut ;

Wensink, Henricus H. ;

Baer, Markus ;

Goldstein, Raymond E. .

PHYSICAL REVIEW LETTERS, 2013, 110 (22)

← 1 2 3 4 5 6 →