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Magnetic and near-infrared derived heating characteristics of dimercaptosuccinic acid coated uniform Fe@Fe3O4 core–shell nanoparticles

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Authors
Koo, Changhyuk; Hong, Hwichan; Im, Pyung Won; Kim, Hoonsub; Lee, Chaedong; Jin, Xuanzhen; Yan, Bingyi; Lee, Wooseung; Im, Hyung-Jun; Paek, Sun Ha; Piao, Yuanzhe
Issue Date
2020-06-08
Publisher
Springer Open
Citation
Nano Convergence. 2020 Jun 08;7(1):20
Keywords
Magnetic nanoparticlesCore–shell nanoparticleHyperthermia, Photothermal material
Abstract
Among the number of hyperthermia materials, magnetic nanoparticles have received much attention. In this work, we studied the heating characteristics of uniform Fe@Fe3O4 core–shell nanoparticle under near-infrared laser irradiation and external AC magnetic field applying. The Fe@Fe3O4 core–shell nanoparticles were prepared by thermal decomposition of iron pentacarbonyl and followed by controlled oxidation. The prepared uniform particles were further coated with dimercaptosuccinic acid to make them well dispersed in water. Near-infrared derived photothermal study of solutions containing a different concentration of the core–shell nanoparticles was made by using 808 nm laser Source. Additionally, magnetic hyperthermia ability of the Fe@Fe3O4 nanoparticle at 150 kHz and various oersted (140–180 Oe) condition was systemically characterized. The Fe@Fe3O4 nanoparticles which exhibited effective photo and magnetic hyperthermia are expected to be used in biomedical application.
ISSN
2196-5404
Language
English
URI
https://doi.org/10.1186/s40580-020-00229-4

http://hdl.handle.net/10371/168552
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College of Medicine/School of Medicine (의과대학/대학원)Neurosurgery (신경외과학전공)Journal Papers (저널논문_신경외과학전공)
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