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Theory and computational study of electrophoretic ion separation and focusing in microfluidic channels

Klymenko, OV, Amatore, C, Sun, W, Zhou, YL, Tian, ZW and Svir, I (2012) Theory and computational study of electrophoretic ion separation and focusing in microfluidic channels Nonlinear Analysis: Modelling and Control, 17 (4). pp. 431-447.

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Abstract

In this work we describe the theory and 2D simulation of ion separation and focusing in a new concept of microfluidic separation device. The principle of the method of ion focusing is classical in the sense that it consists in opposing a hydrodynamic transport ensured by the solution flow to an electrophoretic driving force so that any ionic sample results poised within the microchannel at the point where the two forces equilibrate. The originality of the concept investigated here relies on the fact that thanks to the use of an ion-conducting membrane of variable thickness in electrical contact with the channel the electrophoretic force is varied continuously all along the channel length. Similarly, changing the geometric shape of the membrane allows a facile optimization of the device separation and focusing properties. © Vilnius University, 2012.

Item Type: Article
Authors :
NameEmailORCID
Klymenko, OVo.klymenko@surrey.ac.ukUNSPECIFIED
Amatore, CUNSPECIFIEDUNSPECIFIED
Sun, WUNSPECIFIEDUNSPECIFIED
Zhou, YLUNSPECIFIEDUNSPECIFIED
Tian, ZWUNSPECIFIEDUNSPECIFIED
Svir, IUNSPECIFIEDUNSPECIFIED
Date : 22 November 2012
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:56
Last Modified : 17 May 2017 15:14
URI: http://epubs.surrey.ac.uk/id/eprint/840909

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