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An Impedance spectroscopy ASIC for low-frequency characterization of biological samples

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

This paper describes the design and testing of an ASIC for impedance spectroscopy of biological samples at frequencies up to 40 kHz. The circuit is designed in the 350 nm AMS H35B4 technology and enables the measurement of impedances in the range of 10 kΩ up to 28 MΩ. The design features a digital oscillator and a current-to-voltage converter. The ASIC is used to monitor the growth of yeast cell cultures and porcine chondrocytes, in real-time, using a standard 384-well plate and copper electrodes.

Original languageEnglish
Title of host publicationBIODEVICES 2016 - 9th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 9th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2016
EditorsJames Gilbert, Haim Azhari, Hesham Ali, Carla Quintao, Jan Sliwa, Carolina Ruiz, Ana Fred, Hugo Gamboa
PublisherSciTePress
Pages222-228
Number of pages7
ISBN (Electronic)9789897581700
DOIs
StatePublished - 2016
Event9th International Conference on Biomedical Electronics and Devices, BIODEVICES 2016 - Part of 9th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2016 - Rome, Italy
Duration: 21 Feb 201623 Feb 2016

Publication series

NameBIODEVICES 2016 - 9th International Conference on Biomedical Electronics and Devices, Proceedings; Part of 9th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2016

Conference

Conference9th International Conference on Biomedical Electronics and Devices, BIODEVICES 2016 - Part of 9th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2016
Country/TerritoryItaly
CityRome
Period21/02/1623/02/16

Keywords

  • ASIC
  • Cell concentration
  • Impedance spectroscopy
  • Porcine chondrocytes
  • Yeast

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