GIANT RESPONSE OF MICROBUBBLE CONTRAST AGENTS OSCILLATION IN A HIGH-INTENSITY FOCUSED ULTRASOUND FIELD
Journal Title: ROMANIAN JOURNAL OF TECHNICAL SCIENCES - APPLIED MECHANICS - Year 2013, Vol 58, Issue 3
Abstract
The interaction of microbubble contrast agents (BR14) with high-intensity focused ultrasound is investigated by high-speed photography. The experiments were conducted at an ultrasound frequency of 1.08 MHz with a peak negative pressure of 1.8 MPa. The microbubble oscillations run on a giant response with a long expansion phase followed by a violent collapse. The implications in high-intensity focused ultrasound surgery are also discussed.
Authors and Affiliations
EMIL-ALEXANDRU BRUJAN, YOICHIRO MATSUMOTO
Keywords
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