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Optimal sizes of iron oxide nanoflowers for magnetic hyperthermia depend on the alternating magnetic field conditions

ABD

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Industry: Nanomedicine
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Instrument: Vasco Flex

Industry: Nanomedicine

DOI: https://doi.org/10.26434/chemrxiv-2023-0pw9d

Keywords: magnetic nanoparticles; polyol synthesis; multicore iron oxide nanoflowers; magnetic hyperthermia; specific absorption rate; AC magnetometry; dynamic hysteresis loops; HR-TEM; Fast Fourier Transformation (FFT); structural defects; disclination lines; planar inclusions; DC magnetization curves; specific magnetization; Field cooled and zero field cooled magnetization curves; effective magnetic anisotropy constant; Linear Response Theory (LRT); Stoner-Wohlfarth (SW) model.

Iron oxide nanoflowers can be synthesized through a polyol route firstly introduced almost 2 decades ago by Caruntu et al, presenting multi-core morphology, several grains (around 10 nm) being attached together (and obviously sintered). These IONFs present outstanding properties for magnetic field hyperthermia, which is considered as promising therapy against cancer. (319 characters)
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With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time).