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Issue 20, 2017
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Novel supramolecular sensors constructed from pillar[5]arene and a naphthalimide for efficient detection of Fe3+ and F in water

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Abstract

As we all know, due to the high hydration enthalpy of F, the detection of F in water is a very difficult task. Herein, we report a novel water soluble self-assembled supramolecular sensor P5B1 for fluorescence detection of Fe3+ and F in water. The supramolecular sensor P5B1 was constructed by the self-assembly of water soluble cationic pillar[5]arene (P5) and a novel N-(pyridinium-4-yl)-naphthalimide derivative (B1). P5B1 could selectively detect Fe3+; more interestingly, by adding Fe3+ to P5B1, competitive coordination was introduced into P5B1 to form a new Fe3+ complexed supramolecular sensor, P5B1Fe. P5B1Fe showed high selectivity and sensitivity for F in water solution. Moreover, P5B1-based silica gel plates and test strips for selective detection Fe3+ and F were prepared, which could not only act as Fe3+ and F test kits, but also as Fe3+ and F controlled fluorescent display materials.

Graphical abstract: Novel supramolecular sensors constructed from pillar[5]arene and a naphthalimide for efficient detection of Fe3+ and F− in water

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Publication details

The article was received on 16 Jul 2017, accepted on 12 Sep 2017 and first published on 13 Sep 2017


Article type: Paper
DOI: 10.1039/C7NJ02581E
Citation: New J. Chem., 2017,41, 12172-12177
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    Novel supramolecular sensors constructed from pillar[5]arene and a naphthalimide for efficient detection of Fe3+ and F in water

    Q. Lin, P. Mao, F. Zheng, L. Liu, J. Liu, Y. Zhang, H. Yao and T. Wei, New J. Chem., 2017, 41, 12172
    DOI: 10.1039/C7NJ02581E

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