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This paper presents the analysis, design and manufacture of a Surface Acoustic Wave (SAW) delay line for use as a bond-rupture biosensor. In contrast to commercial devices used in signal processing, the analyte changes the delay path of the developed device coating it in a layer of particles. The energy of the surface acoustic waves then removes the particles. Design constraints arise from both the...
Disease detection at the point of care could be performed using quartz crystal microbalance (QCM) induced rupture of antibody-antigen bonds. An integrated digital solution for smart sensing is proposed where the QCM is driven and its resonant frequency change is captured as an indication of bond rupture. After reviewing the principle of QCM induced bond rupture, a digital transceiver system is designed...
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