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Comparison of Rectangular Wave Excitations in Broad Band Impedance Spectroscopy for Microfluidic Applications

  • M. Min
  • A. T. Giannitsis
  • R. Land
  • B. P. Cahill
  • U. Pliquett
  • T. Nacke
  • D. Frense
  • G. Gastrock
  • D. Beckmann
Conference paper
Part of the IFMBE Proceedings book series (IFMBE, volume 25/7)

Abstract

We present a potential application of time do-main impedance spectroscopy to the area of cell detection and characterizing in microfluidic devices. Digital pulses of pre-selected spectral properties were applied in the Hz-to-MHz frequency range. This method offers important diagnostic information about the dynamic and structural properties of biological cells. We investigate the possibility of using rectangular wave chirp excitations for fast measuring of impedance.

Keywords

Impedance spectroscopy signal processing micro-fluidics cell impedance 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • M. Min
    • 1
    • 2
  • A. T. Giannitsis
    • 1
  • R. Land
    • 1
    • 2
  • B. P. Cahill
    • 1
  • U. Pliquett
    • 1
  • T. Nacke
    • 1
  • D. Frense
    • 1
  • G. Gastrock
    • 1
  • D. Beckmann
    • 1
  1. 1.Institute for Bioprocessing and Analytical Measurement TechniquesHeilbad HeiligenstadtGermany
  2. 2.Department of ElectronicsTallinn University of TechnologyTallinnEstonia

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