Ultraselective fluorescent sensing of Hg2+ through metal coordination-induced molecular aggregation |
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| Authors: | Che Yanke Yang Xiaomei Zang Ling |
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| Institution: | Department of Chemistry and Biochemistry, Southern Illinois University Carbondale, Carbondale, IL 62901, USA. |
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| Abstract: | A new type of fluorescent sensor has been developed from a perylene based molecule, N,N'-dideoxythymidine-3,4,9,10-perylene-tetracarboxylic diimide (TT-PTCDI); the strong, highly selective binding between the thymine ligand (T) and Hg2+ ion enables efficient sensing of mercury ions based on a fluorescence quenching mechanism, which is primarily caused by metal-coordination induced molecular aggregation. |
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