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A novel fluorescence chemosensor for Hg 2+ ion has been developed by the assembly of fluorescence Bis-Schiff base PMBA within the channels of CPTES-modified SBA-15. The ordered porous structure of SBA-15 is still retained on the hybrid chemosensor material PMBA-SBA. A remarkable fluorescence quenching of PMBA-SBA by Hg 2+ ion was attributed to heavy atom effect of Hg 2+ ion...
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