Magnetically sensitive nanoparticles for magnetically controlled thermochemotherapy
by V.N. Nikiforov; A.V. Ivanov; N.A. Brusentsov; T.S. Gendler; V.Yu. Irkhin
International Journal of Nanotechnology (IJNT), Vol. 14, No. 7/8, 2017

Abstract: The water-based magnetite Fe₃O₄, maghemite γ-Fe₂O₃, Gd-substituted ferrites Fe[Gd_xFe_2−x]O₄, Ni-Cu alloy particles suspensions and dextran-ferrite (DF) solutions were prepared for the magnetically controlled thermochemotherapy (MCT). The temperature elevation prepared nanoparticles in AC magnetic field (0.88 MHz, 7.3 kA/m, 0.15 kW) and their toxicity were characterised. The results are in a good agreement with physical and chemical properties observed by in vitro measurements. The moment and Curie temperature of magnetic nanoparticles are obtained. The corresponding models of magnetic structure for magnetite, maghemite and Gd-doped ferrites are discussed.

Online publication date: Thu, 30-Mar-2017

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