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Issue 18, 2013
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Reaction-based dual signaling of fluoride ions by resorufin sulfonates

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Abstract

We developed new reaction-based probes for the dual signaling of fluoride ions. Selective fluoride-assisted deprotection of resorufin nosylate to generate resorufin fluorochrome was used for signaling. Resorufin nosylate exhibited selective colorimetric and fluorogenic signaling of fluoride ions in acetonitrile. The response from sulfide ions was effectively masked by using the TPEN–Cu2+ complex as a source of Cu2+ ions for masking sulfide. Selective optical signaling of fluoride was possible in the presence of commonly encountered anions with a detection limit of 1.9 × 10−6 M.

Graphical abstract: Reaction-based dual signaling of fluoride ions by resorufin sulfonates

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Publication details

The article was received on 09 Jan 2013, accepted on 22 Mar 2013 and first published on 05 Apr 2013


Article type: Paper
DOI: 10.1039/C3OB00040K
Citation: Org. Biomol. Chem., 2013,11, 2966-2971

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    Reaction-based dual signaling of fluoride ions by resorufin sulfonates

    H. G. Im, H. Y. Kim, M. G. Choi and S. Chang, Org. Biomol. Chem., 2013, 11, 2966
    DOI: 10.1039/C3OB00040K

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