Abstract

Chemical sensors for diverse applications for gas- and liquid-phase sensing have their own design requirements. Thus, sensors typically have long timelines from the concept through the evolution and cost reduction to commercial products. For some applications, it is attractive to take advantage of previously developed, optimized, and mass-produced physical transducers, optoelectronic, radiofrequency identification, and other types of components and to rationally combine them with sensing materials to produce new types of chemical sensors, more rapidly than it is typically achieved. Widely deployed and accepted commodity consumer products present a striking set of attractive capabilities applicable for advanced sensors. This chapter presents several recent examples from our laboratory to demonstrate developments in chemical sensors based on electrical, mechanical, and radiant signal-transduction methodologies.

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