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TitleMicro-volume dielectric measurements on high permittivity solutions: Correlation with results from single-particle electro-manipulation
Publication TypeConference Paper
Year of Publication1998
AuthorsArnold, W.M., and Turner G.C.
Conference NameConference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report
Date Published1998
KeywordsDielectric properties, Electric insulating materials, Kinetic theory, Micro-volume dielectric measurements, Microelectrodes, Permittivity measurement, Single-particle electro-manipulation
AbstractThe forces that determine the a.c. electrokinetics of microparticles depend on the relative dielectric properties of the particles or biological cells with respect to their suspending media. A method for measurement of the properties of very small quantities of medium is therefore desirable. A suitable measurement chamber consisting of a planar interdigitated electrode array surrounded by an insulating pedestal can be fashioned by lithographic and micro-machining techniques. Volumes of 1 μl or even less are measurable. The original purpose of the electrode structures, namely to microposition particles and single cells, is also described.

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