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Paper Abstract and Keywords
Presentation 2020-01-22 16:15
Application of micro-gel beads generated by inkjet system for mimic bio-material
Shujiro Mitani, Taichi Hirano, Keiji Sakai (IIS, Univ.of Tokyo) US2019-90
Abstract (in Japanese) (See Japanese page) 
(in English) Using a inkjet system, it is possible to generate microdroplets with uniform size, ~ 30 µm in diameter, and uniform shape. This system is useful for production of microstructures as well as for investigation of micro liquid properties and dynamics. In this work, an experimental example of microstructure generation is shown, in which micro-gel beads were generated in midair and viscosity curves of the suspensions of micro-gel beads were measured with EMS rheometer. With two inkjet system and our microscopic and stroboscopic observation system, two kinds of droplets collide with each other, one is the droplets of aqueous sodium alginate and the other is the droplets of aqueous solution of calcium chloride in this work. For soft gel beads with low concentration of aqueous sodium alginate, the viscosity curve showed similar behavior with human blood.
Keyword (in Japanese) (See Japanese page) 
(in English) micro droplet / micro-gel / EMS rheometer / viscosity / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 374, US2019-90, pp. 107-112, Jan. 2020.
Paper # US2019-90 
Date of Issue 2020-01-15 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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Conference Information
Committee EA US  
Conference Date 2020-01-22 - 2020-01-23 
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, Ultrasonics, and Related Topics 
Paper Information
Registration To US 
Conference Code 2020-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Application of micro-gel beads generated by inkjet system for mimic bio-material 
Sub Title (in English)  
Keyword(1) micro droplet  
Keyword(2) micro-gel  
Keyword(3) EMS rheometer  
Keyword(4) viscosity  
1st Author's Name Shujiro Mitani  
1st Author's Affiliation Inst. of Indust. Sci, Univ. of Tokyo (IIS, Univ.of Tokyo)
2nd Author's Name Taichi Hirano  
2nd Author's Affiliation Inst. of Indust. Sci, Univ. of Tokyo (IIS, Univ.of Tokyo)
3rd Author's Name Keiji Sakai  
3rd Author's Affiliation Inst. of Indust. Sci, Univ. of Tokyo (IIS, Univ.of Tokyo)
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Speaker Author-1 
Date Time 2020-01-22 16:15:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2019-90 
Volume (vol) vol.119 
Number (no) no.374 
Page pp.107-112 
Date of Issue 2020-01-15 (US) 

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