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Research

Marine biosonar

We study dolphin echolocation to better understand the pulse-echo based ultrasound strategies developed through millions of years of evolution, rendering them to be the most skilled echolocators on the planet.

Magnetomotive Ultrasound

Inspired by a technique named magnetomotive optical coherence tomography it was suggested that a superparamagnetic iron oxide (SPIO) nanoparticle could be set in motion and be detected by standard ultrasound equipment. In situ images show an unmatched spatial resolution with a detection limit for nanoparticle movement in the sub-micrometer range, well below the noise level.

Tissue Motion Estimation

Tissue motion estimation is widely used to determine function and elasticity of tissue and organs non-invasively in vivo. Today, it exists many different methods for motion estimation in one, two and three directions. Our research aim to develop new methods that are both fast and accurate, especially for cardiovascular and musculoskeletal applications.

Ultrasonic Doppler Techniques

I högriskgraviditeter, är transporten av syre och näringsämnen till fostret via moderkakan ofta försämrad. Power-doppler är en metod som på en ultraljudsbild överlägger färginformation på de områden där rörelse detekteras. Nuvarande forskningsinriktning är att utifrån flödesmätningar i navelsträngsartären se om diagnosen kan förbättras genom att utöka den analys av flödessignalen som görs idag.

Cardiovascular research

Today we run projects to develop methods to non-invasively in vivo determine the composition/structure of the arterial plaques in common carotid artery, to explore the longitudinal movement of the arterial wall and to characterise the arterial wall in general.

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