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Impedance spectroscopy using maximum length sequences: Application to single cell analysis

Gawad, Shady, Sun, Tao, Green, Nicolas G and Morgan, Hywel (2007) Impedance spectroscopy using maximum length sequences: Application to single cell analysis Review of Scientific Instruments, 78, p. 54301. (doi:10.1063/1.2737751).

Record type: Article


A maximum length sequence MLS is used to perform broadband impedance spectroscopy on a dielectric sample. The method has a number of advantages over other pulse-based or frequency sweep techniques. It requires the application of a very short sequence of voltage steps in the microsecond range and therefore allows the measurement of time-dependent impedance of a sample with high temporal resolution over a large bandwidth. The technique is demonstrated using a time-invariant passive RC network. The impedance of single biological cell flowing in a microfluidic channel is also measured, showing that MLS is an ideal method for high speed impedance analysis.

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Published date: 2007
Organisations: Electronics & Computer Science


Local EPrints ID: 264101
ISSN: 0034-6748
PURE UUID: bca7fda5-3b47-4261-8c8a-8fcbce6edf6c
ORCID for Nicolas G Green: ORCID iD
ORCID for Hywel Morgan: ORCID iD

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Date deposited: 30 May 2007
Last modified: 18 Jul 2017 07:39

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Author: Shady Gawad
Author: Tao Sun
Author: Nicolas G Green ORCID iD
Author: Hywel Morgan ORCID iD

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