Novel magnetic vortex nanorings/nanodiscs: Synthesis and theranostic applications |
(a) Comparison of SAR for FVIOs and Resovist in different fields. The frequency is at 400 kHz. (b) Simulated hysteresis loops along different directions. Inset shows the switching field ( H s) along different directions. (c) Schematics showing the effect of magnetic hyperthermia treatment on tumor cells in a mouse model. (d) Nude mice xenografted with breast cancer cells (MCF-7) before treatment (upper row, dotted circle) and 40 days after treatment (lower row) with untreated control, Resovist hyperthermia and FVIOs hyperthermia, respectively.[ 64 ] Reprinted with permission from Ref. [ 64 ], © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. |