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Paper Abstract and Keywords
Presentation 2023-12-22 15:20
[Poster Presentation] Evaluation of wave velocity anisotropy in loaded and unloaded bones of hyperglycemic rats
Yuhi Haneda, Keita Yano, Mami Matsukawa (Doshisha Univ.) US2023-61
Abstract (in Japanese) (See Japanese page) 
(in English) Diabetic patients often have higher risk of bone fracture despite of the normal bone mineral density (BMD). BMD is the main index used to diagnose bone fracture risk in osteoporotic patients. However, it does not include the effects of collagen or other materials in bone. Ultrasonic techniques, which are non-invasive, inexpensive, and safe, can provide wave velocity in bone, which includes the effects of collagen and other materials in addition to minerals. In this study, longitudinal wave velocities in loaded (tibia) and unloaded (skull) bones in young control and streptozotocin (STZ)-induced hyperglycemic rats were evaluated by a micro-Brillouin scattering technique. STZ rats became hyperglycemic and gradually lost weight after injection of STZ. In tibia and skull bones, all STZ groups showed lower wave velocities. Wave velocities were also lower in the skull. The degree in wave velocity anisotropy in the skull varied due to the samples. These results show the effects of hyperglycemia on bone properties.
Keyword (in Japanese) (See Japanese page) 
(in English) Cortical bone / Skull / Longitudinal wave velocity / Hyperglycemia / Brillouin scattering / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 321, US2023-61, pp. 30-34, Dec. 2023.
Paper # US2023-61 
Date of Issue 2023-12-15 (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 US2023-61

Conference Information
Committee EA US  
Conference Date 2023-12-22 - 2023-12-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonics, etc. 
Paper Information
Registration To US 
Conference Code 2023-12-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of wave velocity anisotropy in loaded and unloaded bones of hyperglycemic rats 
Sub Title (in English)  
Keyword(1) Cortical bone  
Keyword(2) Skull  
Keyword(3) Longitudinal wave velocity  
Keyword(4) Hyperglycemia  
Keyword(5) Brillouin scattering  
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Keyword(7)  
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1st Author's Name Yuhi Haneda  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Keita Yano  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
3rd Author's Name Mami Matsukawa  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2023-12-22 15:20:00 
Presentation Time 120 minutes 
Registration for US 
Paper # US2023-61 
Volume (vol) vol.123 
Number (no) no.321 
Page pp.30-34 
#Pages 5 
Date of Issue 2023-12-15 (US) 

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