Issue 9, 2019

Iron(iii)-selective materials based on a catechol-bearing amide for optical sensing

Abstract

The synthesis and ion-binding properties of a new amide L derived from 3,4-dihydroxybenzoic acid are described. Due to the presence of a catechol unit, the compound interacts selectively with iron(III) in organic solvent (dimethyl sulfoxide, DMSO) to produce a color change from pale yellow to green. The incorporation of the ligand L into polymeric matrices or its encapsulation into surfactant-based spheres enables analyte detection in aqueous solutions. The influence of the ligand environment (i.e. organic solvent, polymeric membrane or micelle) on the properties of the sensing materials is analyzed and the sensors are compared.

Graphical abstract: Iron(iii)-selective materials based on a catechol-bearing amide for optical sensing

Supplementary files

Article information

Article type
Paper
Submitted
25 Jan 2019
Accepted
15 Mar 2019
First published
29 Mar 2019

Analyst, 2019,144, 3119-3127

Iron(III)-selective materials based on a catechol-bearing amide for optical sensing

N. Łukasik, E. Wagner-Wysiecka and A. Małachowska, Analyst, 2019, 144, 3119 DOI: 10.1039/C9AN00188C

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