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

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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

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Publication details

The article was received on 25 Jan 2019, accepted on 15 Mar 2019 and first published on 29 Mar 2019


Article type: Paper
DOI: 10.1039/C9AN00188C
Citation: Analyst, 2019, Advance Article

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

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

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