Abstract
A square array of micron-sized needles containing magnetic nanoparticles has been studied theoretically as potential systems to deliver heat to tumor tissue for the hyperthermia treatment. The spatiotemporal distributions of temperature in a tumor were calculated for different arrays of microneedles. The resulting temperature distributions are found to be more uniform within the tumor target than those caused by other heating systems. Moreover, the temperature profiles could be tuned by a proper choice of the combination of the system parameters: the needle radius, the spatial needles period, as well as the filling fraction and parameters of magnetic nanoparticles.
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