Issue 18, 2013

Reaction-based dual signaling of fluoride ions by resorufin sulfonates

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

Supplementary files

Article information

Article type
Paper
Submitted
27 صفر 1434
Accepted
10 جمادى الأولى 1434
First published
24 جمادى الأولى 1434

Org. Biomol. Chem., 2013,11, 2966-2971

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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