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This work investigates design criteria for an array of polymer-coated shear-horizontal surface acoustic wave sensors for detection of aromatic compounds directly in groundwater and wastewater. In addition to the sensitivity and selectivity issues, coating stability in water and long-term repeatability of the sensor response have been investigated. The compounds used in designing the coating have been...
This work addresses the importance of ambient conditions in the design of a sensor system for real-time monitoring of contaminated water sites and groundwater in situ for fuel and oil spills. The sensor system is based on shear-horizontal surface acoustic wave devices with chemically sensitive polymer coatings for analyte sorption. In addition to the use of a sensor array, evaluation of response time...
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