Paper Abstract and Keywords |
Presentation |
2011-06-23 13:50
Effect of emission conditions of ultrasound in aggregation formation of microbubbles with their specifications Ren Koda, Nobuyuki Watarai, Nobuhiko Shigehara, Takumi Ito, Kohji Masuda (TUAT) US2011-15 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
We have previously reported our attempts to propel microbubbles (microcapsules) in flow by primary Bjerknes force to prevent density of bubbles for minimum invasive treatment. However, there was a limitation in efficiency to propel bubbles of µm-order size. Thus we consider that forming aggregations of bubbles is effective to be propelled before entering into an ultrasound field by making use of secondary Bjerknes force under continuous ultrasound exposure. In this study, we observed the phenomena of aggregations formation to confirm variation of diameter and density of aggregations under various conditions of ultrasound exposure. Then we elucidated frequency dependent of the size of aggregations of microbubbles. The efficiency of the shell material of microbubbles, bubbles concentrations and the existence of red blood cells are also presented. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
microbubbles / secondary Bjerknes force / aggregation formation / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 111, no. 88, US2011-15, pp. 13-18, June 2011. |
Paper # |
US2011-15 |
Date of Issue |
2011-06-16 (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) |
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US2011-15 |
Conference Information |
Committee |
US |
Conference Date |
2011-06-23 - 2011-06-23 |
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(See Japanese page) |
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Paper Information |
Registration To |
US |
Conference Code |
2011-06-US |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Effect of emission conditions of ultrasound in aggregation formation of microbubbles with their specifications |
Sub Title (in English) |
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Keyword(1) |
microbubbles |
Keyword(2) |
secondary Bjerknes force |
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aggregation formation |
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1st Author's Name |
Ren Koda |
1st Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
2nd Author's Name |
Nobuyuki Watarai |
2nd Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
3rd Author's Name |
Nobuhiko Shigehara |
3rd Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
4th Author's Name |
Takumi Ito |
4th Author's Affiliation |
Tokyo University of Agriculture and Technology (TUAT) |
5th Author's Name |
Kohji Masuda |
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Tokyo University of Agriculture and Technology (TUAT) |
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Speaker |
Author-1 |
Date Time |
2011-06-23 13:50:00 |
Presentation Time |
25 minutes |
Registration for |
US |
Paper # |
US2011-15 |
Volume (vol) |
vol.111 |
Number (no) |
no.88 |
Page |
pp.13-18 |
#Pages |
6 |
Date of Issue |
2011-06-16 (US) |
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