Adsorption of environmental pollutants using magnetic hybrid nanoparticles modified with β-cyclodextrin

• Published in: Applied surface science Vol. 305; pp. 267 - 273
• Main Authors: Wang, Niejun, Zhou, Lilin, Guo, Jun, Ye, Qiquan, Lin, Jin-Ming, Yuan, Jinying
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 30-06-2014; Elsevier
• Subjects: Adsorption; Condensed matter: electronic structure, electrical, magnetic, and optical properties; Condensed matter: structure, mechanical and thermal properties; Cross-disciplinary physics: materials science; rheology; Environmental pollutants; Exact sciences and technology; Magnetic nanoparticles; Physics; Radical polymerization; β-Cyclodextrin; β-Cyclodextrin; Environmental pollutants; Adsorption; Magnetic nanoparticles; Radical polymerization; Nanoparticles; Polymerization; Radicals
• ISSN: 0169-4332; 1873-5584
• DOI: 10.1016/j.apsusc.2014.03.054

•Superparamagnetic hybrid nanoparticles were synthesized through a graft through method.•Ordinary radical polymerization were performed instead of atom transfer radical polymerization.•Adsorption of model environmental pollutants using these nanoparticles were studied detailedly.
Graft through strategy was utilized to coat magnetic Fe3O4 nanoparticles with poly(glycidyl methacrylate) using ordinary radical polymerization and then β-cyclodextrin was linked onto the surface of nanoparticles. With these nanoparticles modified with cyclodextrin groups, adsorption of two model environmental pollutants, bisphenol A and copper ions, was studied. Host–guest interactions between cyclodextrin and aromatic molecules had a great contribution to the adsorption of bisphenol A, while multiple hydroxyls of cyclodextrin also helped the adsorption of copper ions. These magnetic nanoparticles could be applied in the elimination, enrichment and detection of some environmental pollutants.