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| Presentation | 2017-01-25 10:30 Local speed of sound analysis for diseased rat livers in cell-organelle scale Kazuyo Ito, Zhihao Deng, Kenji Yoshida, Hitoshi Maruyama, Tadashi Yamaguchi (Chiba Univ.)  US2016-84 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Along with the recent development of quantitative ultrasound, understanding of the acoustic characteristics of minute regions such as cell nucleus and cytoplasm is required. When the measurement is performed with ultra-high frequency, the roughness of the specimen seems to be a serious problem for the estimation of speed of sound. In this report, as a basic study to evaluate the acoustic characteristics of a micro region, the influences of the roughness of the surface of the thin slice was analyzed. Time of flight from the specimen surface, and echo signal waveform from the surface of the specimen were employed as an index to evaluate the 4 cases different degrees of liver fibrosis. As a result, the influence of roughness for echo signal was small, and a significant difference was observed between the cell nucleus, cytoplasm, and fiber for each case (p <0.01). These results was suggested that the physical properties changed and it could be detected using ultra-high frequency ultrasound. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ultra-High Frequency Ultrasound / Speed of Sound / Cell Organelles / Liver / Non-alcoholic steatohepatitis / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 419, US2016-84, pp. 61-65, Jan. 2017. | |
| Paper # | US2016-84 | |
| Date of Issue | 2017-01-18 (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 | US2016-84 |
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| Conference Information | |
| Committee | EA US |
| Conference Date | 2017-01-25 - 2017-01-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Doshisha Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics, and Related Topics |
| Paper Information | |
| Registration To | US |
| Conference Code | 2017-01-EA-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Local speed of sound analysis for diseased rat livers in cell-organelle scale |
| Sub Title (in English) | |
| Keyword(1) | Ultra-High Frequency Ultrasound |
| Keyword(2) | Speed of Sound |
| Keyword(3) | Cell Organelles |
| Keyword(4) | Liver |
| Keyword(5) | Non-alcoholic steatohepatitis |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazuyo Ito |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Zhihao Deng |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
| 3rd Author's Name | Kenji Yoshida |
| 3rd Author's Affiliation | Chiba University (Chiba Univ.) |
| 4th Author's Name | Hitoshi Maruyama |
| 4th Author's Affiliation | Chiba University (Chiba Univ.) |
| 5th Author's Name | Tadashi Yamaguchi |
| 5th Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-01-25 10:30:00 |
| Presentation Time | 90 minutes |
| Registration for | US |
| Paper # | US2016-84 |
| Volume (vol) | vol.116 |
| Number (no) | no.419 |
| Page | pp.61-65 |
| #Pages | 5 |
| Date of Issue | 2017-01-18 (US) |
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