Maria Evertsson

Maria Evertsson

Postdoctoral Fellow

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Research

My reseach area is mainly to develop a new ultrasound imaging technique: magnetomotive ultrasound (MMUS), which enables detection of magnetic nanoparticles using ultrasound. Nanoparticles are too small to be detected with conventional ultrasound since their small size make them unable to backscatter ultrasound at a detectable level. Instead, MMUS imaging makes profits of the induced movement, created when a time-varying magnetic field is applied to a sample containing magnetic nanoparticles (e.g. tissue). As the particles start to move, their surrounding will move and ultrasound is used to detect this motion. I develop data algorithms which can filter out this magnetomotive displacment from the ultrasound images and superimpose it as a color code on the B-mode ultrasound images to give a representation of where the nanoparticles are. Due to their small small size, nanoparticles are able to cross biological barriers and to bind to biological entity of interest, e.g. a cancer tumor. Ultrasound is the most widely used imaging technique, it is cost effectiv safe and provide real-time images. By using MMUS and indirectly visulize nanoparticles with ultrasound a new way of finding abnormalities coupled with disease may open up in heatlh care.

UKÄ subject classification

  • Medical and Health Sciences
  • Engineering and Technology

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