NDLI: Development of a prototype micro-EIT system using three sets of 15×8 array electrodes

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Development of a prototype micro-EIT system using three sets of 15×8 array electrodes

Content Provider	Scilit
Author	Liu, Qin Wi, Hun Woo, Eung Je Seo, Jin Keun
Copyright Year	2010
Description	Journal: Journal of Physics: Conference Series We developed a new microscopic electrical impedance tomography (micro-EIT) system to visualize admittivity distributions within a miniature hexahedral container, where we place small biological samples with a background solution or gel. Each of two facing sides (left and right) of the container is fully covered by a solid metal electrode. We inject current between them, thereby producing a uniform parallel current flow along the longitudinal direction inside the container. Each of three sides at the bottom, front and back is equipped with a 15×8 array of voltage-sensing electrodes. Switching modules are located underneath the container so that we can measure voltage between any neighbouring pair of electrodes. Three switching modules are connected to a 16-channel multi-frequency EIT system to collect induced voltage data from the three sets of 15x8 array electrodes subject to the single fixed current injection. Voltage data set from 360 voltage-sensing electrodes on three sides are utilized to produce cross-sectional images of the admittivity distribution. We describe the design and construction of the new micro-EIT system. Our future work should include development of a customized image reconstruction algorithm for the micro-EIT system and experimental validation.
Related Links	http://pdfs.semanticscholar.org/0b81/1acbce6de6512ff6e6ec25a2484268db61b6.pdf http://iopscience.iop.org/article/10.1088/1742-6596/224/1/012161/pdf
ISSN	17426588
e-ISSN	17426596
DOI	10.1088/1742-6596/224/1/012161
Journal	Journal of Physics: Conference Series
Issue Number	1
Volume Number	224
Language	English
Publisher	IOP Publishing
Publisher Date	2010-04-01
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Conference Series Image Reconstruction Electrical Impedance Tomography
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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