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A novel and rapid approach for the synthesis of biocompatible and highly stable Fe3O4/SiO2 and Fe3O4/C core/shell nanocubes and nanorods

Title
A novel and rapid approach for the synthesis of biocompatible and highly stable Fe3O4/SiO2 and Fe3O4/C core/shell nanocubes and nanorods
Authors
Abbas, MohamedRamuluTorati, SriIqbal, Shawl AsifKim, CheolGi
DGIST Authors
Kim, CheolGi
Issue Date
2017-04-07
Citation
New Journal of Chemistry, 41(7), 2724-2734
Type
Article
Article Type
Article
Keywords
Core Shell NanoparticlesMagnetic Nano ParticlesSilica SpheresSonoluminescenceSurfactantless Polyol ProcessUltrasound
ISSN
1144-0546
Abstract
Core/shell nanostructures of MNPs/inorganic materials have attracted enormous research interest due to their promising applications in bio-medicine, energy, electronics, the environment, etc. Although several approaches are available for the synthesis of these core/shell nanostructures, the use of large quantities of surfactants, multi-step synthesis procedures and long reaction times still remain as challenges to be overcome for industrial applications. In this study, a novel one-pot sonochemical approach was developed for the synthesis of core/shell iron oxide/silica and iron oxide/carbon nanostructures in aqueous medium. Interestingly, the total reaction time for the synthesis of the core/shell nanostructures is found to be shorter than for other reported methods. Moreover, transmission electron microscopy indicated that the sonochemical technique produces a uniform core/shell with a highly crystalline cubic structure. However, rod-like shaped nanostructures were obtained in the absence of ultrasound. The biocompatibility of the Fe3O4/SiO2 and Fe3O4/C nanocubes and nanorods was investigated and compared with iron oxide nanostructures in in vitro quantification of TK-6 and THP-1 cell viability using a CCK-8 assay. © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.
URI
http://hdl.handle.net/20.500.11750/5010
DOI
10.1039/c6nj03697j
Publisher
Royal Society of Chemistry
Related Researcher
  • Author Kim, CheolGi Lab for NanoBio-MatErials & SpinTronics(nBEST)
  • Research Interests Magnetic Materials and Spintronics; Converging Technology of Nanomaterials and Biomaterials; Bio-NEMS;MEMS
Files:
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Collection:
Department of Emerging Materials ScienceLab for NanoBio-Materials & SpinTronics(nBEST)1. Journal Articles


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