A new dansyl-group containing calixarene-biscrown-6 ether has been obtained and investigated as an optical chemosensor for metal ions. In acidic CH3CN/H2O (1:1, v:v) solutions, the fluorogenic ligand exhibits appreciable selectivity for Cs+ over K+ and Na+. Coordination of Cs+ is followed by hypsochromic shift of the ligand's emission band along with increasing fluorescence intensity.
Back to Graduate Presentations
Back to The 37th Middle Atlantic Regional Meeting (May 22-25, 2005)