Abstract

Electrochemical sensing strategies have spurred intense scientific interest owing to having the advantages of instrumental simplicity, rapid response, high sensitivity, cost-effectiveness, and portability. Nanomaterials and nanotechnology have facilitated the development of high-performance electrochemical sensors and biosensors with unique functionalities and processes for enhanced medical and environmental applications. Recently, my research team has designed and fabricated a variety of functional nanomaterials and nanocomposites. In this talk, the synthesis of advanced gold, metal oxides and graphene-based nanomaterials as well as their promising applications in electrochemical sensing will be presented. The electrochemical detection of biomarkers (e.g. nitric oxide), food additives (e.g. nitrite, sulfite, caffeic acid) and pollutants (e.g. mercury) will be discussed. The significant roles of nanomaterials in the development of high-performance electrochemical sensors will be highlighted.

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