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Dielectrophoretic ratchets for linear and rotary nanomotors

Hughes, MP and Dean Astumian, R (2006) Dielectrophoretic ratchets for linear and rotary nanomotors

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Abstract

Dielectrophoresis (DEP) is a phemomenon of induced particle motion in non-uniform electric fields. In this paper, we will describe how the phenomenon can be used to design electrokinetic ratchet devices to provide both linear and rotary motion. Such devices exploit Brownian motion through the imposition of an asymmetrical potential energy field, to provide motion. Since Brownian motion is a prerequisite, such devices are most applicable to the transport of nanoparticles. In this paper, we present the results of modelling of such devices capable of linear translation, and of particular novelty, rotary motion and show the torque of the rotary motor is of the order of that generated by a bacterial motor.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Hughes, MPm.hughes@surrey.ac.ukUNSPECIFIED
Dean Astumian, RUNSPECIFIEDUNSPECIFIED
Date : 8 December 2006
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:25
Last Modified : 17 May 2017 14:56
URI: http://epubs.surrey.ac.uk/id/eprint/831261

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