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Sensors 2008, 8(7), 4384-4391; doi:10.3390/s80704384

ST Quartz Acoustic Wave Sensors with Sectional Guiding Layers

School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham. NG11 8NS. UK
Author to whom correspondence should be addressed.
Received: 10 June 2008 / Revised: 23 July 2008 / Accepted: 24 July 2008 / Published: 25 July 2008
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We report the effect of removing a section of guiding layer from the propagation paths of ST-quartz Love wave sensors; this offers the ease of fabrication of a polymer guiding layer whilst retaining the native surface of the quartz which may then be used for the attachment of a sensitizing layer. Data is presented for the rigid and viscous loading, which indicates a small reduction in mass sensitivity compared to a Love wave device. Biosensing capabilities of these discontinuous ‘sectional’ guiding layer devices are demonstrated using protein adsorption from solution.
Keywords: ST-quartz; Love wave; guiding layer; SAW; SH-SAW ST-quartz; Love wave; guiding layer; SAW; SH-SAW
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Newton, M.I.; Roach, P.; McHale, G. ST Quartz Acoustic Wave Sensors with Sectional Guiding Layers. Sensors 2008, 8, 4384-4391.

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