Journal of Colloid and Interface Science 502 (2017) 201–209 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Regular Article Plasmonic/magnetic nanocomposites: Gold nanorods-functionalized silica coated magnetic nanoparticles a,⇑ b c c b Eugenio Redolﬁ Riva , Isabel Pastoriza-Santos , Aidin Lak , Teresa Pellegrino , Jorge Pérez-Juste , a,⇑ Virgilio Mattoli Center for Micro-BioRobotics, Istituto Italiano di Tecnologia, 56025 Pontedera, Italy Departamento de Química Física-CINBIO, Universidade de Vigo, Vigo 36310, Spain Istituto Italiano di Tecnologia, Via Morego 30, Genova, Italy graphical a bstract article i nfo abstract Article history: We report here on the fabrication of a new example of nano-object that combines magnetic and plas- Received 10 March 2017 monic properties. The strategy is based on the electrostatic assembly of negatively charged gold nanorods Accepted 27 April 2017 (NIR-resonant) on positively charged silica-coated iron oxide nanoparticles. Silica coating of magnetic Available online 28 April 2017 nanoparticles prevented iron oxide nanoparticles irreversible aggregation in water environment. Finally the stability of the nanocomposite in biological medium has been improved through a protein Keywords: coating (BSA, bovine serum albumin). Morphological, optical and magnetic properties of the hybrid nano- Gold nanorods materials have been evaluated as
Journal of Colloid and Interface Science – Elsevier
Published: Sep 15, 2017
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