Miniaturised eight-channel impedance spectroscopy unit as sensor platform for biosensor applications

Jeroen Broeders; Stijn Duchateau; Bart Van Grinsven; Wouter Vanaken; Marloes Peeters; Thomas Cleij; Ronald Thoelen; Patrick Wagner; Ward De Ceuninck

doi:10.1002/pssa.201001199

Miniaturised eight-channel impedance spectroscopy unit as sensor platform for biosensor applications

Jeroen Broeders^*, Stijn Duchateau, Bart Van Grinsven, Wouter Vanaken, Marloes Peeters, Thomas Cleij, Ronald Thoelen, Patrick Wagner, Ward De Ceuninck

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

20 Citations (Web of Science)

Abstract

A miniaturised, low cost impedance analyser is developed to ease the use of impedance spectroscopy in biological setups. This could form the first step towards fully standalone, hand-held biosensor applications. The system is capable of performing quasi-simultaneous time resolved impedance measurements on eight different channels in a frequency range of 10 hz–100 khz. The unit is accurate in a broad impedance range and is able to perform stable measurements over intervals of several days. The system is characterised by passive components, a temperature controlled wet cell based impedance setup and a biomimetic molecularly imprinted polymer (mip) based histamine sensor. The test results all indicate accurate and stable functioning of the unit, making it suitable for bioanalytical applications.

Original language	English
Pages (from-to)	1357-1363
Journal	Physica Status Solidi A-applications and Materials Science
Volume	208
Issue number	6
DOIs	https://doi.org/10.1002/pssa.201001199
Publication status	Published - Jun 2011
Externally published	Yes

Keywords

biosensors
electrochemical analysis
impedance spectroscopy
molecular imprinting

Access to Document

10.1002/pssa.201001199

Cite this

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abstract = "A miniaturised, low cost impedance analyser is developed to ease the use of impedance spectroscopy in biological setups. This could form the first step towards fully standalone, hand-held biosensor applications. The system is capable of performing quasi-simultaneous time resolved impedance measurements on eight different channels in a frequency range of 10 hz–100 khz. The unit is accurate in a broad impedance range and is able to perform stable measurements over intervals of several days. The system is characterised by passive components, a temperature controlled wet cell based impedance setup and a biomimetic molecularly imprinted polymer (mip) based histamine sensor. The test results all indicate accurate and stable functioning of the unit, making it suitable for bioanalytical applications.",

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AU - Broeders, Jeroen

AU - Duchateau, Stijn

AU - Van Grinsven, Bart

AU - Vanaken, Wouter

AU - Peeters, Marloes

AU - Cleij, Thomas

AU - Thoelen, Ronald

AU - Wagner, Patrick

AU - De Ceuninck, Ward

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KW - electrochemical analysis

KW - impedance spectroscopy

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JO - Physica Status Solidi A-applications and Materials Science

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