Anion sensing is an important research area in supramolecular chemistry because of the important roles played by anions in chemical, biological, medicinal, and environmental applications. In particular, the spectroscopic sensing via fluorescence and absorption techniques is a rapid and cost-effective way to detect an anion at a micromolar level in solution. Therefore, a significant effort has been made towards the design of chromogenic and fluorogenic receptors that can selectively recognize anions and act as sensors. This presentation will highlight anion binding chemistry with synthetic receptors that exhibit remarkable changes in optical properties with visible color in the presence of anions. Acknowledgement: The National Science Foundation is acknowledged for a CAREER award (CHE-1056927) to MAH.

Spectroscopic and colorimetric sensing of anions in water

248th National Meeting (2014)

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