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Magnetic study of iron-containing carbon nanotubes: Feasibility for magnetic hyperthermia |
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| Authors: | Y. Krupskaya C. Mahn A. Taylor S. Hampel M. Ritschel R. Klingeler |
| Affiliation: | a Leibniz-Institute for Solid State and Materials Research IFW Dresden, 01171 Dresden, Germany b Department of Urology, Dresden University of Technology, 01307 Dresden, Germany |
| Abstract: | We present a detailed magnetic study of iron containing carbon nanotubes (Fe-CNT), which highlights their potential for contactless magnetic heating in hyperthermia cancer treatment. Magnetic field dependent AC inductive heating experiments on Fe-CNT dispersions show a substantial temperature increase of Fe-CNT dispersions in applied AC magnetic fields. DC and AC magnetization studies have been done in order to elucidate the heating mechanism. We observe a different magnetic response of Fe-CNT powder compared to Fe-CNT dispersed in aqueous solution, e.g., ferromagnetic Fe-CNT in powder do not show any hysteresis when being dispersed in liquid. Our data indicate the motion of Fe-CNT in liquid in applied magnetic fields. |
| Keywords: | Magnetic hyperthermia Carbon nanotube AC magnetic field Magnetic nanoparticle Magnetization |
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