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Issue 6, 2016
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Chemotactic dynamics of catalytic dimer nanomotors

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Abstract

Synthetic chemically powered nanomotors possessing the ability of chemotaxis are desirable for target cargo delivery and self-assembly. The chemotactic properties of a sphere dimer motor, composed of linked catalytic and inactive monomers, are studied in a gradient field of fuel. Particle-based simulation is carried out by means of hybrid molecular dynamics/multiparticle collision dynamics. The detailed tracking and motion analysis describing the running and tumbling of the sphere dimer motor in the process of chemotaxis are investigated. Physical factors affecting chemotactic velocity are discussed, and quantitative relations are presented. The influence of the geometry of sphere dimer motors on the chemotactic dynamics is explored, which is beneficial for the design of motors with high sensitivity for detecting the surrounding environment.

Graphical abstract: Chemotactic dynamics of catalytic dimer nanomotors

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Article information


Submitted
26 Oct 2015
Accepted
01 Dec 2015
First published
07 Dec 2015

Soft Matter, 2016,12, 1876-1883
Article type
Paper

Chemotactic dynamics of catalytic dimer nanomotors

J. Chen, Y. Chen and Y. Ma, Soft Matter, 2016, 12, 1876
DOI: 10.1039/C5SM02647D

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