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Paper Abstract and Keywords
Presentation 2010-01-28 13:00
Submicro-needles made of carbon nanotube bundle for single-cell manipulation
Kazutoshi Kohira, Sho Harabe, Tamami Motomura, Yuki Hayashida, Nobuki Murayama (Kumamoto Univ.) MBE2009-81
Abstract (in Japanese) (See Japanese page) 
(in English) Micromanipulation of biological tissues at single-cell level is of great interest in the bio-medical engineering field. Recently, carbon nanotubes (CNTs) has been collecting attention as a bio-compatible material in making tools for the manipulation and their usability was tested in vitro experiments. In this study, we made attempts to fabricate micro-scale needles with CNT bundles that have various diameters and lengths. By a simple electrophoretic deposition method, we could produce the CNT bundle assemblages of 0.01 to 6 mm in length, tapering to 0.1-10 microns in diameter at the tip end. Those needles could penetrate through the cell membrane of isolated neurons in physiological saline, so that we lifted and moved horizontally their cell body over several tens of microns. Since electrical impedance of the needles was in a measurable range in physiological saline, they might be usable not only as a micromanipulation tool but also for single cell electrophysiology.
Keyword (in Japanese) (See Japanese page) 
(in English) neuronal prosthesis / microelectrode / carbon nanotube / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 406, MBE2009-81, pp. 21-24, Jan. 2010.
Paper # MBE2009-81 
Date of Issue 2010-01-21 (MBE) 
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 MBE  
Conference Date 2010-01-28 - 2010-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ME in general 
Paper Information
Registration To MBE 
Conference Code 2010-01-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Submicro-needles made of carbon nanotube bundle for single-cell manipulation 
Sub Title (in English)  
Keyword(1) neuronal prosthesis  
Keyword(2) microelectrode  
Keyword(3) carbon nanotube  
1st Author's Name Kazutoshi Kohira  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Sho Harabe  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
3rd Author's Name Tamami Motomura  
3rd Author's Affiliation Kumamoto University (Kumamoto Univ.)
4th Author's Name Yuki Hayashida  
4th Author's Affiliation Kumamoto University (Kumamoto Univ.)
5th Author's Name Nobuki Murayama  
5th Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Speaker Author-1 
Date Time 2010-01-28 13:00:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2009-81 
Volume (vol) vol.109 
Number (no) no.406 
Page pp.21-24 
Date of Issue 2010-01-21 (MBE) 

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