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Thiophenol detection using an AIE fluorescent probe through self-assembly with TPE-based glycoclusters

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Abstract

We describe a novel green-emitting tetraphenylethylene-dicyanomethylene-4H-pyran (TPE-DCM) based fluorescent probe (TD-1). Conjugating TPE and DCM moieties allowed TD-1 to display high selectivity for thiophenol with excellent AIE properties in aqueous solution. Nevertheless, the poor water solubility of the hydrophobic structure resulted in a weak and unstable emission intensity. The non-covalent self-assembly of TD-1 with a TPE glycocluster (TPE2S) led to a largely improved water solubility producing a reliable and stable sensing system. The corresponding glyco-probe could sensitively detect exogenous thiophenol concentrations in PBS buffer or environmental water samples.

Graphical abstract: Thiophenol detection using an AIE fluorescent probe through self-assembly with TPE-based glycoclusters

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Publication details

The article was received on 03 Sep 2019, accepted on 25 Sep 2019 and first published on 26 Sep 2019


Article type: Paper
DOI: 10.1039/C9OB01937E
Org. Biomol. Chem., 2019, Advance Article

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    Thiophenol detection using an AIE fluorescent probe through self-assembly with TPE-based glycoclusters

    L. Dong, G. Chen, X. He and S. Vidal, Org. Biomol. Chem., 2019, Advance Article , DOI: 10.1039/C9OB01937E

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