✦ LIBER ✦

Thickness-shear mode acoustic wave sensors and flow-injection analysis

✍ Scribed by Mengsu Yang; Michael Thompson

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 705 KB
Volume: 269
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(92)85399-q

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✦ Synopsis

A feaslblhty study of the combination of the flow-mJectlon analysis (FIA) technique with the plezoelectrx acoustic wave Sensor (thickness-shear mode, TSM) IS described Flow-inJectIon systems provide a method to relate the hydrodynamic response of the sensor to the concentration-time profile of the analyte produced by the dispersion behavlour of sample zones Network analysis of the TSM sensor generates multi-dimensional mformatlon on the bulk properties of the liquid sample and surface propertles at the hqmd/sohd interface The relationship between acoustic energy transmlsslon and the mterfaclal structure, v~scoslty, density and dielectric constant of the analyte IS dlscussed The FIA-TSM system provides a rapid, reproducible detectlon method with enhanced sensltlvlty and scope

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