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A novel oligothiophene-based naked-eye colorimetric and fluorescent turn-on sensor 3TT with a typical donor-π-acceptor structure has been successfully developed, which displayed excellent selectivity and sensitivity for the dual-channel detection of toxic cyanide (CN−) in 70% aqueous THF media due to the nucleophilic addition of CN− to the β-conjugated position of the barbituric acid moiety of the...
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