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A novel colorimetric fluorescent chemodosimeter (1) based on diketopyrrolopyrrole (DPP) and indanedione for the selective detection of cysteine (Cys) over glutathione (GSH) was synthesized, which was involved by the conjugate addition of Cys to α,β-unsaturated ketones. The probe featured a fast response (a response time less than 2min), excitation and emission in the visible region, dual-channel and...
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