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A pyrene and rhodamine-6G functionalized simple chemosensor L is studied toward sensing of metal ions in solution extensively. L shows selective color change from colorless to pink in the presence of Hg 2+ in acetonitrile and the UV–Vis study shows peak at 525nm with a ε value of 5.2×10 4 M −1 cm −1 due to selective ring opening of rhodamine spirolactam moiety. The...
Syntheses of three tris-(2-aminoethyl)amine, tren based tripodal fluoroionophores (L 2 , L 3 , and L 5 ), are reported. These fluoroionophores are designed based on the fluorophore–spacer–receptor format (choice of fluorophore in all three cases is anthryl unit). In L 2 , three anthracene moieties are attached to the three arms of tren via –CH 2 -spacer whereas...
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