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Paper Abstract and Keywords
Presentation 2017-02-21 13:25
Comparison of Hydroxyl Radical Generation by Low-Intensity Focused Ultrasound Irradiation to Several Suspensions
Keisuke Hashimura, Akio Kaya, Masaki Misawa, Yoshihiko Koseki, Kiyoshi Yoshinaka, Naotaka Nitta (AIST) US2016-121
Abstract (in Japanese) (See Japanese page) 
(in English) Ultrasound irradiation to titanium dioxide (TiO2) suspension generates reactive oxygen species (ROS) which is expected to be applied for cancer therapy and infection prevention. To optimize conditions for application, mechanism of hydroxyl radical (OH·) generation is required to be elucidated. In this study, low-intensity focused ultrasound was irradiated to suspensions of TiO2 (anatase and rutile types) and Al2O3, respectively. As a result, OH· generation was confirmed in all suspensions. The results suggested that lowering of the cavitation threshold is the main cause of ROS generation, and that other particles than TiO2 also might be useful for medical application.
Keyword (in Japanese) (See Japanese page) 
(in English) focused ultrasound / titanium dioxide / sonochemistry / hydroxyl radical / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 465, US2016-121, pp. 7-10, Feb. 2017.
Paper # US2016-121 
Date of Issue 2017-02-14 (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 US2016-121

Conference Information
Committee US  
Conference Date 2017-02-21 - 2017-02-21 
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 2017-02-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparison of Hydroxyl Radical Generation by Low-Intensity Focused Ultrasound Irradiation to Several Suspensions 
Sub Title (in English)  
Keyword(1) focused ultrasound  
Keyword(2) titanium dioxide  
Keyword(3) sonochemistry  
Keyword(4) hydroxyl radical  
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Keyword(6)  
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1st Author's Name Keisuke Hashimura  
1st Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
2nd Author's Name Akio Kaya  
2nd Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
3rd Author's Name Masaki Misawa  
3rd Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
4th Author's Name Yoshihiko Koseki  
4th Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
5th Author's Name Kiyoshi Yoshinaka  
5th Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
6th Author's Name Naotaka Nitta  
6th Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
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Speaker Author-1 
Date Time 2017-02-21 13:25:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2016-121 
Volume (vol) vol.116 
Number (no) no.465 
Page pp.7-10 
#Pages 4 
Date of Issue 2017-02-14 (US) 

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