This presentation focuses on the continual research of a novel small molecule sensor, benzo[1,2-b:4,5-b’]dithiophene-4,8-dione (“dione”), and its capacity to sense group one and group two metal cations using absorption spectroscopy as well as ratiometric analysis of these spectra. Through weak intermolecular interactions, the dione can quantitatively detect various metal cations by analyzing their absorption intensities and comparing them to their respective concentrations. Current research is focused on ascertaining the detection limits of this chemosensor for each targeted metal cation. Attempts to grow crystals of the dione with metal salts is currently in progress as experimental evidence for weak intermolecular interactions. The dione’s capacity to sense biologically hazardous transition metal species will also be studied.

Metal cation detection using a novel small molecule chemosensor

249th National Meeting (2015)

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