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Proceedings Paper

A novel strategy to monitor microfluidic in-vitro blood-brain barrier models using impedance spectroscopy
Author(s): J. Yeste; X. Illa; A. Guimerà; R. Villa
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Paper Abstract

In this work, we present the use of interdigitated electrodes (IDEs) for performing electrical impedance spectroscopy (EIS) measurements to monitor a microfluidic blood brain barrier model. In particular, an electrode configuration which would not impair the optical visualization of the cell culture is proposed. Numerical studies have been performed to evaluate the electrical impedance sensitivity of the proposed tetrapolar configuration along the cell barrier in a given microfluidic chamber geometry. The system has been validated using a home-made cyclo olefin polymer (COP) bioreactor and perforated poly (methyl methacrylate) (PMMA) sheets with different pore densities in order to simulate different cell barrier impedances.

Paper Details

Date Published: 1 June 2015
PDF: 6 pages
Proc. SPIE 9518, Bio-MEMS and Medical Microdevices II, 95180N (1 June 2015); doi: 10.1117/12.2180567
Show Author Affiliations
J. Yeste, Instituto de Microelectrònica de Barcelona, IMB-CNM (CSIC) (Spain)
CIBER-BBN (Spain)
Univ. Autònoma de Barcelona (Spain)
X. Illa, Instituto de Microelectrònica de Barcelona, IMB-CNM (CSIC) (Spain)
CIBER-BBN (Spain)
A. Guimerà, Instituto de Microelectrònica de Barcelona, IMB-CNM (CSIC) (Spain)
CIBER-BBN (Spain)
R. Villa, Instituto de Microelectrònica de Barcelona, IMB-CNM (CSIC) (Spain)
CIBER-BBN (Spain)


Published in SPIE Proceedings Vol. 9518:
Bio-MEMS and Medical Microdevices II
Sander van den Driesche, Editor(s)

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