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Issue 8, 2015
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A fluorescent light-up platform with “AIE + ESIPT” characteristics for multi-target detection both in solution and on paper strip

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Abstract

We report a fluorescent light-up platform for multi-target detection in aqueous solution and on paper strip. The platform is based on a salicylaldazine fluorogen with aggregation-induced emission (AIE) and excited state intramolecular proton transfer (ESIPT) characteristics, which shows distinct advantages including ease of chemical modifications, free of self-quenching effect, excellent light-up ratio and large Stokes shift. To demonstrate the versatility of the platform, palladium cation and perborate anion, as well as UV light, were selected as the targets. The three representative probes, AIE-Pd, AIE-perborate and AIE-UV, light up specifically in the presence of the target both in aqueous solution and on paper strip. The immediate naked-eye response makes the probes ideal for instrument-free and power-free detection.

Graphical abstract: A fluorescent light-up platform with “AIE + ESIPT” characteristics for multi-target detection both in solution and on paper strip

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Publication details

The article was received on 23 Nov 2014, accepted on 25 Dec 2014 and first published on 30 Dec 2014


Article type: Paper
DOI: 10.1039/C4TB01937G
Citation: J. Mater. Chem. B, 2015,3, 1590-1596

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    A fluorescent light-up platform with “AIE + ESIPT” characteristics for multi-target detection both in solution and on paper strip

    R. Zhang, M. Gao, S. Bai and B. Liu, J. Mater. Chem. B, 2015, 3, 1590
    DOI: 10.1039/C4TB01937G

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