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General overview »

Magnetic Nanoparticles »

Standardization »

Characterization and
analysis methods »

DC magnetization and AC
susceptometer analysis »

Medium and high frequency
AC susceptometry »

Mössbauer spectroscopy »

Electron microscopy »

XRD and SAXS »


Electron microscopy »

Ferromagnetic resonance »

Dynamic light scattering and
electrophoretic light scattering »

Field-flow fractionation »

Magnetic modelling »

Magnetorelaxometry »

Magnetic particle spectroscopy »

Magnetic particle rotation »

Magnetic separation »

NMR R1 and R2 relaxivities »

Magnetic nanoparticle bio-detection »

Magnetic hyperthermia measurements »


Magnetic hyperthermia measurements

Magnetic nanoparticles absorb energy when there is a phase lag between the applied external time varying magnetic field (at a specific frequency) and the magnetization of the magnetic nanoparticle assembly. The maximum energy absorption at the specific frequency depends on the magnetic relaxation the nanoparticles exhibits and therefore depends on the size, magnetic anisotropy, temperature and on the environment around the nanoparticles (if placed in a liquid surrounding). The energy absorption results in a temperature increase and can be used to kill cancer tumours as local heat sources positioned close to the tumour. Depending on the nanoparticle properties, a minimum amount of material and some specific AC field conditions are required to produce an increase in temperature up to 42-44 ºC. Optimization of the nanoparticles will allow reducing the nanoparticle dose and the use of moderate AC fields in terms of amplitude and frequency.

Project Partners

Project partners


This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° 604448