Abstract

Presently we communicate a newly developed method of resonant radiofrequency heating, applicable in hyperthermal therapy. This method uses electron paramagnetic resonance (EPR) to transform the electromagnetic field energy into heat. We report the growth dynamics of the S. cerevisiae yeast cells exposed to EPR heating with superparamagnetic magnetite (Fe3O4) nanoparticles, with only 4% of yeast cells surviving hyperthermia. Given that EPR functions independently of type of the biologic species exposed, and produces spatially localized heating in conjunction with MRI hardware, it may be used in hyperthermal therapy of cancer and other diseases.

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