The University of Southampton
University of Southampton Institutional Repository

Quantifying dielectrophoretic collections of sub-micron particles on microelectrodes

Bakewell, David and Morgan, Hywel (2004) Quantifying dielectrophoretic collections of sub-micron particles on microelectrodes Measurement Science and Technology, 15, pp. 254-266.

Record type: Article


This paper presents a technique for measuring and quantifying the elelectrohporetic collection of sub-micron particles on planar microelectrode arrays. Fluorescence microscopy and video recording is used to measure the number of particles collecting on an electrode as a function of time for various experimental parameters, such as applied electrode voltage and frequency. Video images are processed using analytical methods that take advantage of the geometrical properties of the electrode array to extract quantitative information which is used to characterize the dielectric properties of particles. The time-dependent collection profiles can be chracterized by three parameters: the initial dielectrophoretic collection rate, the initial to pseudo-steady-state transition and the rise time. This method can be used asa general technique to characterize the dielectrophoretic properties of populations of sub-micron-scale particles.

PDF mst4_1_037.pdf - Other
Download (1MB)

More information

Published date: 2004
Keywords: non-uniform electric fields, particle concentration, dielectrophoretic collection, AC electrokinetcs, Fokker-Planck equation, dielectrophoresis, interdigitated electrode array
Organisations: Nanoelectronics and Nanotechnology


Local EPrints ID: 263175
ISSN: 1361-6501
PURE UUID: 056fecd2-a743-47e3-8272-cff32a860842
ORCID for Hywel Morgan: ORCID iD

Catalogue record

Date deposited: 13 Nov 2006
Last modified: 18 Jul 2017 08:43

Export record


Author: David Bakewell
Author: Hywel Morgan ORCID iD

University divisions

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton:

ePrints Soton supports OAI 2.0 with a base URL of

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.