Electromagnetic Characterization and Biocompatibility Assessment of Magnetic Materials for Biomedical Applications

Magneto-dielectric composite materials are gaining a huge attention in many biomedical applications, both for therapy and diagnosis. A typical example is represented by magnetic scaffolds (MaS), which are composed of a biomaterial matrix, loaded with magnetic nanoparticles. Such a kind of device can be stimulated by an external magnetic field and induce specific biological responses. However, the literature about magneto-dielectric materials has a prevalent material science perspective, thus lacking a rigorous electromagnetic engineering perspective. Therefore, an effective translation of MaS as an electromagnetically-controlled device for the applications is waiting for a dedicated study. This contribution aims at take a step forward in this direction, providing a study on the biocampatibility assessment and electromagnetic characterization, in terms of relative permittivity and permeability, of a magnetodielectric material, namely Poly-Lactic Acid loaded with iron particles (Fe-PLA), which is not used in biomedical field, yet.