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Issue 1, 2014
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Chemotaxis of catalytic silica–manganese oxide “matchstick” particles

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Abstract

Particles that can undergo directed self-propulsion are desirable for colloidal cargo delivery and self-assembly. Herein we describe the synthesis of silica–manganese oxide “matchstick” colloids that undergo catalytic self-propulsion by consumption of hydrogen peroxide. Chemotaxis is observed when particles are placed in a fuel gradient. Movement opposes convective flow which is tracked by following inert polymer microspheres simultaneously.

Graphical abstract: Chemotaxis of catalytic silica–manganese oxide “matchstick” particles

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Publication details

The article was received on 02 Apr 2013, accepted on 01 May 2013 and first published on 03 Sep 2013


Article type: Communication
DOI: 10.1039/C3MH00003F
Citation: Mater. Horiz., 2014,1, 65-68
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    Chemotaxis of catalytic silica–manganese oxide “matchstick” particles

    A. R. Morgan, A. B. Dawson, H. S. Mckenzie, T. S. Skelhon, R. Beanland, H. P. W. Franks and S. A. F. Bon, Mater. Horiz., 2014, 1, 65
    DOI: 10.1039/C3MH00003F

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