ST Quartz Acoustic Wave Sensors with Sectional Guiding Layers

Michael I. Newton, Paul Roach, Glen McHale

Research output: Contribution to journalArticlepeer-review

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 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.
Original languageEnglish
Pages (from-to)4384-4391
Number of pages8
JournalSensors
Volume8
Issue number7
DOIs
Publication statusPublished - 25 Jul 2008

Keywords

  • love wave
  • guiding layer
  • SAW
  • SH-SAW

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