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AD5933-based Spectrometer for Electrical Bioimpedance Applications
University of Borås, School of Engineering.
University of Borås, School of Engineering.
2010 (English)In: Journal of Physics: Conference Series, Institute of Physics Publishing Ltd. , 2010Conference paper, (Refereed)
Abstract [en]

To build an Electrical Bioimpedance (EBI) spectrometer using the Impedance Measurement System-On-Chip AD5933 together with a 4-Electrode Analog Front End (4E-AFE) has been proven practicable. Such small measurement devices can make possible several new applications of EBI technology, especially when combined with functional textiles, which can enable wearable applications for personal health and home monitoring. After the implementation and functional validation of the 4E-AFE-enabled spectrometer, the next natural step is to validate for which EBI applications the 4E-AFE-enabled system is suitable. To test the applicability of this novel spectrometer on several EBI applications, 2R1C equivalents models have been experimentally obtained and impedance spectroscopy measurements have been performed with the system under study and with the SFB7 EBI spectrometer manufactured by ImpediMed. The 2R1C circuit parameters have been estimated with the BioImp software from the spectra obtained with both EBI spectrometers and the estimated values have been compared with the original values used in each circuit model implementation. The obtained results indicated that the 4E-AFE-enabled system cannot beat the performance of the SFB7 in accuracy but it performs better in preciseness. In any case the overall performance indicates that the 4E-AFE-enabled system can perform spectroscopy measurements in the frequency range from 5 to 100 kHz.

Place, publisher, year, edition, pages
Institute of Physics Publishing Ltd. , 2010.
Keyword [en]
bioimpedance, wearable measurement instrumentation, electronic instrumentation, Medicinteknik
National Category
Biomedical Laboratory Science/Technology Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hb:diva-6302DOI: 10.1088/1742-6596/224/1/012011Local ID: 2320/5951OAI: oai:DiVA.org:hb-6302DiVA: diva2:886989
Conference
XIVth International Conference on Electrical Bioimpedance, Florida, USA
Available from: 2015-12-22 Created: 2015-12-22

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Publisher's full texthttp://iopscience.iop.org/1742-6596/224/1/012011

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Ferreira, JavierSeoane, Fernando
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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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Language
  • de-DE
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