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Built-in test of electrode degradation of multi-electrode array biosensors

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Publication date1/06/2006
Host publicationProceedings of the 12th IEEE International mixed signal testing workshop (IMSTW'06), Edinburgh, United Kingdom
Place of PublicationLancaster, UK
PublisherISLI en Lancaster University
Number of pages6
<mark>Original language</mark>English


Micro-electrode array (MEA) is a widely used platform in biosensor systems, which provide a technology in communicating with micro chemical and biological world. This paper addresses hte topic of testing micro electrode degradation for MEAs, which is a common encountered damage during its application. The basic logic of the proposed test method is examining the symmetrical impedance of the included surrounding electrode by a central stimulating electrode. The feasability was proved by preliminary simulation and the underlaying assumption was confirmed by application experience.

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