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Iron containing alumino-silicate systems are investigated as potential biomaterials for hyperthermia. The samples were obtained following a sol-gel route. The X-ray diffraction data show for the heat treated samples the crystallisation of both hematite and magnetite crystals. The Fe 2p core level photoelectron spectrum confirmed the occurrence of iron ions both in Fe² and Fe³ valence states. The sample surface was functionalised in Kokubo simulated body fluid enriched with bovine serum albumin. The attachment of the protein was proved by X-ray photoelectron spectroscopy.

Keywords. Biomaterials, Synthesis, Body fluid