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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 »


Dynamic light scattering and electrophoretic light scattering

The hydrodynamic size distribution of the MNPs in a liquid can be determined from the so called correlation function which is obtained from the time dependent light scattering signal of a sample exposed to laser light. Due to the MNP`s Brownian motion this signal is statistically fluctuating and can therefore – under certain assumptions- be used to calculate the diffusion coefficient distribution and from this the intensity weighted particle size distribution sizes from a few nm’s up to  about 1000 nm can be measured. The zeta-potential method detects the electric potential at the shear plane of the nanoparticles and serves as a measure for the particles surface charge.

Project Partners

Project partners


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