Dynamics of Biocatalytic Microengines Mediated by Variable Friction Control

被引：227

作者：

Sanchez, Samuel ^{[1
,2
]}

Solovev, Alexander A. ^{[2
]}

Mei, Yongfeng ^{[2
,4
]}

Schmidt, Oliver G. ^{[2
,3
]}

机构：

[1] Natl Inst Mat Sci, WPI MANA, Tsukuba, Ibaraki 3050044, Japan

[2] IFW Dresden, Inst Integrat Nanosci, D-01069 Dresden, Germany

[3] Tech Univ Chemnitz, D-09107 Chemnitz, Germany

[4] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2010年 / 132卷 / 38期

关键词：

CATALYTIC NANOMOTORS; PROPULSION; NANOTECHNOLOGY; NANOMACHINES; NANOROBOTS; NANOSCALE; NANOTUBES;

D O I：

10.1021/ja104362r

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We describe the motion of self-propelled hybrid microengines containing catalase enzyme covalently bound to the cavity of rolled-up microtubes. The high efficiency of these hybrid microengines allows them to move at a very low concentration of peroxide fuel. The dynamics of the catalytic engines is mediated by the generation of front-side bubbles, which increase the drag force and make them turn. The specific modification of the inner layer of microtubes with biomolecules can lead to other configurations to generate motion from different chemical fuels.

引用

页码：13144 / 13145

页数：2

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