Neocuproine-functionalized silica-coated magnetic nanoparticles for extraction of copper(II) from aqueous solution

Ashfaq Afsar; Laurence M Harwood; Michael J Hudson; Mark E Hodson; Elizabeth J Shaw

doi:10.1039/c4cc01250j

Neocuproine-functionalized silica-coated magnetic nanoparticles for extraction of copper(II) from aqueous solution

Chem Commun (Camb). 2014 Jul 18;50(56):7477-80. doi: 10.1039/c4cc01250j.

Authors

Ashfaq Afsar¹, Laurence M Harwood, Michael J Hudson, Mark E Hodson, Elizabeth J Shaw

Affiliation

¹ School of Chemistry, University of Reading, Whiteknights, Reading, Berkshire RG6 6AD, UK. l.m.harwood@reading.ac.uk.

PMID: 24881562
DOI: 10.1039/c4cc01250j

Abstract

Neocuproine has been covalently bound to silica-coated maghemite (γ-Fe2O3) magnetic nanoparticles (MNPs) by a phenyl ether linkage. The resulting MNPs are able to remove Cu(II) from 12 ppm aqueous solution with an extraction efficiency of up to 99% at pH 2.