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| Presentation | 2018-01-23 13:00 [Poster Presentation] Inactivation of spore-forming bacteria by ultrasonic wave Atsushi Yabunaka, Ryosuke Ikeuchi, Yuko Hashimoto, Ken Yamamoto (Kansai Univ.)  US2017-82 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, sterilization by ultrasound has drawn attention because it has none of the disadvantages present in conventional methods (heat, ultraviolet, chemical) such as food taste/color denaturation and environmental pollution. Many studies on the inactivation of bacteria and fungi using ultrasound have been reported. In our previous study, we reported the inactivation of Saccharomyces cerevisiae of fungi and Escherichia coli of bacteria. In this study, we generated ultrasound at 6 frequencies (20 kHz, 400 kHz, 1.0 MHz, 2.3 MHz, 3.4 MHz, and 4.4 MHz) against Bacillus subtilis (spore and vegetative cell). In addition, we irradiated ultrasound of high acoustic power density for spores that are generally thought to be difficult to sterilize. For the evaluation, colony count, particle size distribution measurement, turbidity measurement, and SEM observations were used. Physical cell destruction was confirmed in cells (vegetative cells and spores) after irradiation with ultrasound. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ultrasound / Inactivation / Microorganism / Bacillus subtilis / Cell destruction / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 398, US2017-82, pp. 1-5, Jan. 2018. | |
| Paper # | US2017-82 | |
| Date of Issue | 2018-01-16 (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 | US2017-82 |
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| Conference Information | |
| Committee | US EA |
| Conference Date | 2018-01-23 - 2018-01-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2018-01-US-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Inactivation of spore-forming bacteria by ultrasonic wave |
| Sub Title (in English) | |
| Keyword(1) | Ultrasound |
| Keyword(2) | Inactivation |
| Keyword(3) | Microorganism |
| Keyword(4) | Bacillus subtilis |
| Keyword(5) | Cell destruction |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Atsushi Yabunaka |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Ryosuke Ikeuchi |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
| 3rd Author's Name | Yuko Hashimoto |
| 3rd Author's Affiliation | Kansai University (Kansai Univ.) |
| 4th Author's Name | Ken Yamamoto |
| 4th Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-01-23 13:00:00 |
| Presentation Time | 120 minutes |
| Registration for | US |
| Paper # | US2017-82 |
| Volume (vol) | vol.117 |
| Number (no) | no.398 |
| Page | pp.1-5 |
| #Pages | 5 |
| Date of Issue | 2018-01-16 (US) |
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