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A fault-tolerant MEF peptide synthesizer using control and direct sensing electrodes employing current and impedance tests

Research output: Contribution in Book/Report/ProceedingsConference contribution


Publication date1/06/2007
Host publication13th International mixed signals testing workshop and 3rd international GHz/Gbps test workshop, Póvoa de Varzim, Portugal
Place of PublicationPortugal
PublisherUniversity of Porto
Number of pages6
<mark>Original language</mark>English


The research in the area of microelectronic fluidic (MEF) devices for biomedical applications is rapidly growing. As faults in these devices can have severe personal implications, a system is presented which includes fault-tolerance with respect to the systhesized biomaterials (peptides). It can employ purity detection of peptides via current tests of control electrodes of impedance measurements using direct sensing electrodes near the peptide collector area. In the case of purity problems, the location is marked, and repeated synthesis at another collector side is initiated.