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Issue 14, 2011
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Protein assisted fluorescence enhancement of a dansyl containing fluorescent reagent: Detection of Hg+ ion in aqueous medium

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Abstract

Intramolecular charge transfer (ICT) based fluorescent reagents containing a dansyl fluorophore have been synthesized and characterized. The reagent 1 and its complex, 1+Hg2+ in sodium acetate buffer (pH 6.7) revealed considerable fluorescence enhancement (switched-on) in the presence of bovine serum albumin (BSA) with 10 ppb detection sensitivity. 1H NMR spectral analysis suggests complexation between 1 and Hg2+ ion involving the N,N-dimethylamino and carboxylic functions.

Graphical abstract: Protein assisted fluorescence enhancement of a dansyl containing fluorescent reagent: Detection of Hg+ ion in aqueous medium

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Publication details

The article was received on 06 Apr 2011, accepted on 20 May 2011 and first published on 23 May 2011


Article type: Communication
DOI: 10.1039/C1OB05540B
Org. Biomol. Chem., 2011,9, 5051-5055

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    Protein assisted fluorescence enhancement of a dansyl containing fluorescent reagent: Detection of Hg+ ion in aqueous medium

    P. Srivastava, M. Shahid and A. Misra, Org. Biomol. Chem., 2011, 9, 5051
    DOI: 10.1039/C1OB05540B

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