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CMOS-Integrated Film Bulk Acoustic Resonators for Label-Free Biosensing

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Author(s): Martin Nirschl | Arto Rantala | Kari Tukkiniemi | Sanna Auer | Ann-Charlotte Hellgren | Dana Pitzer | Matthias Schreiter | Inger Vikholm-Lundin

Journal: Sensors
ISSN 1424-8220

Volume: 10;
Issue: 5;
Start page: 4180;
Date: 2010;
Original page

Keywords: FBAR | film bulk acoustic resonator | CMOS | DNA | thickness shear mode | TSM | label-free | biosensor | biomolecular interaction analysis

ABSTRACT
The throughput is an important parameter for label-free biosensors. Acoustic resonators like the quartz crystal microbalance have a low throughput because the number of sensors which can be used at the same time is limited. Here we present an array of 64 CMOS-integrated film bulk acoustic resonators. We compare the performance with surface plasmon resonance and the quartz crystal microbalance and demonstrate the performance of the sensor for multiplexed detection of DNA.

Tango Jona
Tangokurs Rapperswil-Jona

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