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

ST Quartz Acoustic Wave Sensors with Sectional Guiding Layers

, *  and
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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Abstract

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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