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| Presentation | 2014-09-29 14:35 Polarity of electric potentials in bone induced by ultrasound irradiation Hiroko Tsuneda, Sayaka Matsukawa, Isao Mano (Doshisha Univ.), Katsunori Mizuno (Univ. of Tokyo), Takahiko Yanagitani (Nagoya Inst. of Tech.), Shinji Takayanagi, Mami Matsukawa (Doshisha Univ.)  US2014-46 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | For the first step to study healing mechanism of bone fracture by the ultrasound irradiation, we have investigated electric potentials in bone. To evaluate the stress induced electrical potentials at high frequencies, we used cortical bone as a piezoelectric device. We have then fabricated a bone transducer, to obtain output signals induced by ultrasound irradiation in the MHz range. In this study, we fabricated differently-structured bone transducers to investigate the effect of microstructure on the piezoelectricity. We also tried to evaluate the polarity of piezoelectric properties in bone in the MHz range. We found that the sensitivity of bone transducer depends on microstructure. When the bone transducer received the positive ultrasound pressure, proximal part of bone generated minus electric potential and distal part of bone generated plus electric potential. These data show the polarization in the piezoelectric properties in bone. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | ultrasound / cortical bone / transducer / piezoelectricity / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 229, US2014-46, pp. 19-22, Sept. 2014. | |
| Paper # | US2014-46 | |
| Date of Issue | 2014-09-22 (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 | US2014-46 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2014-09-29 - 2014-09-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Yamagata Univ. Yonezawa Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | US |
| Conference Code | 2014-09-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Polarity of electric potentials in bone induced by ultrasound irradiation |
| Sub Title (in English) | |
| Keyword(1) | ultrasound |
| Keyword(2) | cortical bone |
| Keyword(3) | transducer |
| Keyword(4) | piezoelectricity |
| Keyword(5) | |
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| 1st Author's Name | Hiroko Tsuneda |
| 1st Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 2nd Author's Name | Sayaka Matsukawa |
| 2nd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 3rd Author's Name | Isao Mano |
| 3rd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 4th Author's Name | Katsunori Mizuno |
| 4th Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 5th Author's Name | Takahiko Yanagitani |
| 5th Author's Affiliation | Nagoya Institute of Technology (Nagoya Inst. of Tech.) |
| 6th Author's Name | Shinji Takayanagi |
| 6th Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 7th Author's Name | Mami Matsukawa |
| 7th Author's Affiliation | Doshisha University (Doshisha Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-09-29 14:35:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2014-46 |
| Volume (vol) | vol.114 |
| Number (no) | no.229 |
| Page | pp.19-22 |
| #Pages | 4 |
| Date of Issue | 2014-09-22 (US) |
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