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Hexaphenylbenzene-based fluorescent aggregates for detection of zinc and pyrophosphate ions in aqueous media: tunable self-assembly behaviour and construction of a logic device

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Abstract

Hexaphenylbenzene based derivative 7 has been synthesized which formed spherical aggregates in mixed aqueous media. These aggregates exhibited an “on–on” response towards Zn2+ ions in aqueous media. Further, this sensing event was accompanied by the modulation of the self-assembly of aggregates from spherical structures to microrods in aqueous media. This in situ prepared 7-Zn2+ ensemble was utilized as a “not quenched” probe for the selective and sensitive detection of PPi ions in aqueous media. In addition, based upon the fluorescent signals of derivative 7 as outputs (λem = 450 and 370 nm) in the presence of chemical inputs (Zn2+ and PPi), we developed a combinatorial logic circuit with INHIBIT and AND gates.

Graphical abstract: Hexaphenylbenzene-based fluorescent aggregates for detection of zinc and pyrophosphate ions in aqueous media: tunable self-assembly behaviour and construction of a logic device

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Publication details

The article was received on 16 Dec 2016, accepted on 05 Apr 2017 and first published on 06 Apr 2017


Article type: Paper
DOI: 10.1039/C6NJ03953G
Citation: New J. Chem., 2017, Advance Article
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    Hexaphenylbenzene-based fluorescent aggregates for detection of zinc and pyrophosphate ions in aqueous media: tunable self-assembly behaviour and construction of a logic device

    S. Pramanik, V. Bhalla and M. Kumar, New J. Chem., 2017, Advance Article , DOI: 10.1039/C6NJ03953G

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