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

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

Book ID
105366093
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
472 KB
Volume
208
Category
Article
ISSN
0031-8965

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✦ Synopsis

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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Customized impedance spectroscopy device as possible sensor platform for biosensor applications
✍ Bart van Grinsven; Thijs Vandenryt; Stijn Duchateau; Andreas Gaulke; Lars Griete 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 354 KB

## Abstract A new impedance spectroscopy unit is developed, fully customized to become a vital part of label free biosensor arrays with possible applications in DNA and protein sensing. Test measurements are conducted to explore the accuracy and specificity of the system, both under electronic lab