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Issue 36, 2017

A luminogenic lanthanide-based probe for the highly selective detection of nanomolar sulfide levels in aqueous samples

Author affiliations

Abstract

A bimetallic terbium(III)/copper(II) complex (Tb-1·Cu2+) for the time-gated luminescent detection of hydrogen sulfide in aqueous samples is reported. The probe shows excellent selectivity towards HS over various anions and cations, including the ions common to natural waterways and waste water samples, displaying a 73-fold increase in luminescence in the presence of sulfide. The probe exhibits extremely fast reaction times and a low limit of detection (130 nM). The probe was used to quantify sulfide in an industrial “sour water” sample, with the result in excellent agreement with those from two independent assay methods (methylene blue and AzMC).

Graphical abstract: A luminogenic lanthanide-based probe for the highly selective detection of nanomolar sulfide levels in aqueous samples

Supplementary files

Article information


Submitted
08 Mar 2017
Accepted
24 Mar 2017
First published
24 Mar 2017

Chem. Commun., 2017,53, 4911-4914
Article type
Communication

A luminogenic lanthanide-based probe for the highly selective detection of nanomolar sulfide levels in aqueous samples

M. L. Aulsebrook, S. Biswas, F. M. Leaver, M. R. Grace, B. Graham, A. M. Barrios and K. L. Tuck, Chem. Commun., 2017, 53, 4911 DOI: 10.1039/C7CC01764B

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