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| Presentation | 2021-08-27 16:00 Preliminary study on the frequency dependence of the speed of sound of > rat organs Mai Ino, Kazuma Noguchi, Suguru Seto (Chiba Univ.), Masaaki Omura (Univ. of Toyama, Chiba Univ.), Kazuki Tamura (Hamamastu Univ. Sch. of Med.), Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.)  US2021-32 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Many studies for quantitative ultrasound (QUS) assessment at frequency band of clinical studies (1-15 MHz) and high frequency band (15-50 MHz) have been reported independently. Additionally, evaluation of acoustic characteristics of biological tissues by ultra-high frequency (50-250 MHz) using scanning acoustic microscopy (SAM) are also progressing, and we aim to understand the acoustic characteristics and scattering characteristics that integrate them. In this study, we evaluated speed of sound (SoS) and attenuation of tissue mimicking phantoms and rat livers in wide frequency band (1-300 MHz), and confirmed the relationship between the acoustic characteristics and the tissue structures. The comprehensively examining protocols the acoustic characterization such as comparing the transmission method and the reflection method, confirming the effect of sample thickness, and comparing raw and fixed samples were systemized, and the problems in each measurement and evaluation method were clarified. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | quantitative ultrasound / tissue characterization / speed of sound / attenuation coefficient / frequency dependency / liver / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 163, US2021-32, pp. 26-30, Aug. 2021. | |
| Paper # | US2021-32 | |
| Date of Issue | 2021-08-20 (US) | |
| ISSN | 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 | US2021-32 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2021-08-27 - 2021-08-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Underwater acoustics, Ultrasonics, etc. |
| Paper Information | |
| Registration To | US |
| Conference Code | 2021-08-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Preliminary study on the frequency dependence of the speed of sound of > rat organs |
| Sub Title (in English) | |
| Keyword(1) | quantitative ultrasound |
| Keyword(2) | tissue characterization |
| Keyword(3) | speed of sound |
| Keyword(4) | attenuation coefficient |
| Keyword(5) | frequency dependency |
| Keyword(6) | liver |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Mai Ino |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Kazuma Noguchi |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
| 3rd Author's Name | Suguru Seto |
| 3rd Author's Affiliation | Chiba University (Chiba Univ.) |
| 4th Author's Name | Masaaki Omura |
| 4th Author's Affiliation | University of Toyama, Chiba University (Univ. of Toyama, Chiba Univ.) |
| 5th Author's Name | Kazuki Tamura |
| 5th Author's Affiliation | Hamamatsu University School of Medicine (Hamamastu Univ. Sch. of Med.) |
| 6th Author's Name | Shinnosuke Hirata |
| 6th Author's Affiliation | Chiba University (Chiba Univ.) |
| 7th Author's Name | Kenji Yoshida |
| 7th Author's Affiliation | Chiba University (Chiba Univ.) |
| 8th Author's Name | Tadashi Yamaguchi |
| 8th Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-08-27 16:00:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2021-32 |
| Volume (vol) | vol.121 |
| Number (no) | no.163 |
| Page | pp.26-30 |
| #Pages | 5 |
| Date of Issue | 2021-08-20 (US) |
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