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Microbubble ultrasound contrast agents have been in clinical use for more than two decades, during which time their range of applications has increased to encompass echocardiography, Doppler enhancement, perfusion studies and molecular imaging, as well as a number of therapeutic applications, including drug delivery, gene therapy, high-intensity focused ultrasound treatments and sonothrombolysis. The aim of this article is to review the different types of microbubble agents, their physical behaviours and the mechanisms underlying their effectiveness in imaging and therapeutic applications.

Original publication




Journal article


Front neurol neurosci

Publication Date





11 - 22


Contrast Media, Humans, Microbubbles, Physical Phenomena, Ultrasonography