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Paper Abstract and Keywords
Presentation 2017-06-27 15:25
Effect of focus scanning repetition frequency in high-intensity focused ultrasound exposure on sonochemical reaction
Daisaku Mashiko, Shin-ya Nishitaka, Ryosuke Iwasaki, Maxime Lafond, Shin Yoshizawa, Shin-ichiro Umemura (Tohoku Univ.) US2017-25
Abstract (in Japanese) (See Japanese page) 
(in English) High-intensity focused ultrasound (HIFU) permits on achieving energy deposition in a non-invasive manner. Such intense acoustic fields can induce temperature rise as well as acoustic cavitation. This last phenomenon is known to generate radical oxygen species (ROS), triggering the anti-cancer properties of sonosensitive substances. To optimize the generation of cavitation is a key point to reduce the HIFU exposure dose and consequently increase the safety of this method. In this particular study, a focus scanning technique is employed to widen the size of the cavitation cloud. The observations of the generated ROS via luminol reaction shows that this method does not maximize the volume exposed to ROS produced by cavitation. However, it is demonstrated that the timing of the sonication sequence plays a major role.
Keyword (in Japanese) (See Japanese page) 
(in English) HIFU / Sonodynamic Therapy / Cavitation Bubble / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 111, US2017-25, pp. 25-30, June 2017.
Paper # US2017-25 
Date of Issue 2017-06-20 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF US2017-25

Conference Information
Committee US  
Conference Date 2017-06-27 - 2017-06-27 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2017-06-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of focus scanning repetition frequency in high-intensity focused ultrasound exposure on sonochemical reaction 
Sub Title (in English)  
Keyword(1) HIFU  
Keyword(2) Sonodynamic Therapy  
Keyword(3) Cavitation Bubble  
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1st Author's Name Daisaku Mashiko  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Shin-ya Nishitaka  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Ryosuke Iwasaki  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Maxime Lafond  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Shin Yoshizawa  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
6th Author's Name Shin-ichiro Umemura  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2017-06-27 15:25:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2017-25 
Volume (vol) vol.117 
Number (no) no.111 
Page pp.25-30 
#Pages 6 
Date of Issue 2017-06-20 (US) 

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