Propulsion of a molecular machine by asymmetric distribution of reaction--products

Details Propulsion of a molecular machine by asymmetric distribution of reaction--products Propulsion of a molecular machine by asymmetric distribution of reaction--products

2007-01-09

arxiv.org/abs/cond-mat/0701169v1

Phys. Rev. Lett. 94, 220801 (2005)

Physics

Condensed Matter

Soft Condensed Matter

Scientific paper

10.1103/PhysRevLett.94.220801

A simple model for the reaction-driven propulsion of a small device is proposed as a model for (part of) a molecular machine in aqueous media. Motion of the device is driven by an asymmetric distribution of reaction products. The propulsive velocity of the device is calculated as well as the scale of the velocity fluctuations. The effects of hydrodynamic flow as well as a number of different scenarios for the kinetics of the reaction are addressed.

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