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Proceedings Paper

Comparison of layered surface acoustic wave transducers with different guiding metal oxide films for immunosensing applications
Author(s): Kourosh Kalantar-Zadeh; Yuen Yuen Chen; Benjamin N. Fry; Wojtek Wlodarski; Adrian Trinchi
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Paper Abstract

Layered Surface Acoustic Wave (SAW)immunosensors based on a substrate crystal cut that allows the propagation of Surface Skimming Bulk Wave (SSBW)have been fabricated. SiO2 and ZnO films with different thicknesses deposited onto the substrate to form the SAW device. The layered SAW device developed is a gravimetric sensor.Upon exposures to solutions containing IgG, the operational frequency of the system incorporating the sensor changes. In this paper, the sensitivity of the SAW devices with different film thicknesses will be compared. Their response to the biochemical components will be investigated.

Paper Details

Date Published: 19 November 2001
PDF: 9 pages
Proc. SPIE 4590, BioMEMS and Smart Nanostructures, (19 November 2001); doi: 10.1117/12.454589
Show Author Affiliations
Kourosh Kalantar-Zadeh, Royal Melbourne Institute of Technology and CRC for Microtechnology (Australia)
Yuen Yuen Chen, Royal Melbourne Institute of Technology (Australia)
Benjamin N. Fry, Royal Melbourne Institute of Technology and CRC for Microtechnology (Australia)
Wojtek Wlodarski, Royal Melbourne Institute of Technology and CRC for Microtechnology (Australia)
Adrian Trinchi, Royal Melbourne Institute of Technology (Australia)


Published in SPIE Proceedings Vol. 4590:
BioMEMS and Smart Nanostructures
Laszlo B. Kish; Erol C. Harvey; William B. Spillman, Editor(s)

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