A scalable surface-acoustic-wave- (SAW-) based cantilevered device for portable bio-chemical sensing applications is presented. Even in the current, proof-of-principle implementation this architecture is shown to outperform commercial quartz-crystal microbalances in terms of sensitivity. Adhesion of analytes on a functionalized surface of the cantilever shifts the resonant frequency of a SAW-generating transducer due to the stress-induced variation of the speed of surface acoustic modes. We discuss the relevance of this approach for diagnostics applications based on miniaturized devices.
Titolo: | A surface-acoustic-wave-based cantilever bio-sensor | |
Autori: | ||
Data di pubblicazione: | 2015 | |
Rivista: | ||
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.bios.2014.12.058 | |
Parole Chiave: | Cantilever bio-sensor; Surface acoustic wave | |
Handle: | http://hdl.handle.net/11384/60267 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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