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Issue 101, 2015
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A novel BODIPY-Schiff base-based colorimetric and fluorometric dosimeter for Hg2+, Fe3+ and Au3+

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Abstract

A novel Schiff base-based multi-target dosimeter for Hg2+, Fe3+ and Au3+ has been designed and synthesized. Upon addition of Hg2+, Fe3+ and Au3+ to the aqueous solution of compound BODIPY-TRIA, the dosimeter gave a rapid fluorescence response and displayed an obvious fluorescence enhancement with a blue-shift. Meanwhile, a sharp color change from purple to pale yellow occurred, which was readily detected by the naked eye. The hydrolysis of the Schiff base promoted by Hg2+, Fe3+ and Au3+ has been discussed, and the possible mechanism was confirmed by 1H NMR and MS studies. The dosimeter showed high sensitivity (10 nM for Au3+), good stability, and excellent selectivity for Hg2+, Fe3+ and Au3+ with interference by other metal ions.

Graphical abstract: A novel BODIPY-Schiff base-based colorimetric and fluorometric dosimeter for Hg2+, Fe3+ and Au3+

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Publication details

The article was received on 04 Aug 2015, accepted on 24 Sep 2015 and first published on 24 Sep 2015


Article type: Paper
DOI: 10.1039/C5RA15546K
Citation: RSC Adv., 2015,5, 82887-82893
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    A novel BODIPY-Schiff base-based colorimetric and fluorometric dosimeter for Hg2+, Fe3+ and Au3+

    H. Cheng and Y. Qian, RSC Adv., 2015, 5, 82887
    DOI: 10.1039/C5RA15546K

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