期刊
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
卷 208, 期 6, 页码 1357-1363出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssa.201001199
关键词
biosensors; electrochemical analysis; impedance spectroscopy; molecular imprinting
资金
- Hasselt University
- Xios University College
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. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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