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Ryan A. Pavlick, Samudra Sengupta, Timothy McFadden, Hua Zhang and Prof. Ayusman Sen A Polymerization-Powered Motor Angewandte Chemie International Edition 50

Version of Record online: 30 AUG 2011 | DOI: 10.1002/anie.201103565

Thumbnail image of graphical abstract

Polymer powered! A polymerization reaction has been used to power the first micromotor outside biological systems. The motor employs a form of Grubbs' catalyst asymmetrically bound to gold–silica Janus microspheres (see picture). These motors show increased diffusion of up to 70 % when placed in solutions of the monomer. The motors also exhibit chemotaxis when placed in a monomer gradient.

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