NDLI: Implementation of a fast reconfigurable array for tissue impedance characterization

Content Provider	IEEE Xplore Digital Library
Author	Habibi, M. Klemer, D.P. Raicu, V.
Copyright Year	2009
Description	Author affiliation: Department of Electrical Engineering and Computer Science, University of Wisconsin-Milwaukee, PO Box 784, Milwaukee, WI 53201-0784 USA (Habibi, M.; Klemer, D.P.) \|\| Department of Physics, University of Wisconsin-Milwaukee, PO Box 413, Milwaukee, WI 53201-0413 USA (Raicu, V.)
Abstract	Various tissue properties have been used in the past and present as metrics which can serve to discriminate healthy from diseased tissue. Electromagnetic absorption (of x-rays and optical signals), scattering of near-infrared light, and electrical impedance are a few such parameters. In order to serve as discriminants for diseased (e.g., neoplastic) tissue, the characteristics of these tissues must first be precisely determined. In this paper, we consider the electrical impedance properties of tissues and cell aggregates, and present the design of a reconfigurable electrode array which is capable of providing a well-defined electromagnetic interface to the tissue under study, for characterization in the 0.01–30 MHz range. The configuration of array elements may be easily changed under digital control, allowing for various electromagnetic field configurations to be applied to the tissue under study. The array is designed to interface to four-point as well as two-point impedance instrumentation, and may be used for two-dimensional bioimaging systems based on electrical impedances. The design may be scaled to higher frequencies and smaller dimensions, allowing for studies of electrical properties at the cellular level.
Starting Page	2284
Ending Page	2287
File Size	449891
Page Count	4
File Format	PDF
ISBN	9781424432967
ISSN	1557170X
DOI	10.1109/IEMBS.2009.5335076
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Electromagnetic scattering Optical scattering Electromagnetic wave absorption Biomedical optical imaging Light scattering Scattering parameters X-ray scattering Aggregates Electrodes
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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