Improving the sensitivity in magnetorelaxometry imaging of magnetic nanoparticles

Magnetorelaxometry imaging with multiple excitation coils is a promising novel technique for the quantitative three-dimensional detection of magnetic nanoparticle distributions [1]. A possibly high and uniform spatial sensitivity towards the particle concentrations is crucial for the imaging quality. This sensitivity can be influenced during the actual measurement by adjusting the excitation fields or afterwards by adapting the inverse problem. Both approaches for system matrix whitening are investigated in this work.