Journal
ACOUSTICS RESEARCH LETTERS ONLINE-ARLO
Volume 6, Issue 3, Pages 182-187Publisher
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.1901744
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In this paper the results of two studies related to high-intensity focused ultrasound (HIFU) and cavitation are reported. The first study described used polyacrylamide phantoms to gain insight into the behavior of cavitation activity in the focal region of the HIFU transducer. Results indicate that cavitation is the source of a previously observed enhanced heating effect in HIFU. The second study discussed used agar-graphite phantoms to see if changing the duty cycle of the driving could effect some measure of control over the cavitation activity; the results indicate that it can. (C) 2005 Acoustical Society of America.
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