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Issue 106, 2015
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Clickable complexing agents: functional crown ethers for immobilisation onto polymers and magnetic nanoparticles

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Abstract

Crown ethers and monoazacrown ethers supported onto well defined cobalt and Fe3O4 magnetic nanoparticles have been prepared and used as magnetically recoverable extracting materials for Pb2+ from aqueous and organic solutions. The assembly of the functional nanoparticles involves the integration of the complexing units by means of a copper-catalysed alkyne–azide cycloaddition reaction leading to a 1,2,3-triazole linker. The same binding motifs have been also used to functionalise polystyrene (PS) and polystyrene–polyethyleneglycol (PS–PEG) resins, and the resulting materials were also employed in the removal of Pb2+ from solutions. The relative merits of these two approaches are compared.

Graphical abstract: Clickable complexing agents: functional crown ethers for immobilisation onto polymers and magnetic nanoparticles

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Supplementary files

Article information


Submitted
27 May 2015
Accepted
05 Oct 2015
First published
07 Oct 2015

RSC Adv., 2015,5, 87352-87363
Article type
Paper
Author version available

Clickable complexing agents: functional crown ethers for immobilisation onto polymers and magnetic nanoparticles

C. Mendoza, S. Jansat, R. Vilar and M. A. Pericàs, RSC Adv., 2015, 5, 87352
DOI: 10.1039/C5RA10027E

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