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Possibility of cryopreservation of medaka eggs using liquid meniscus
http://hdl.handle.net/10228/6032
http://hdl.handle.net/10228/603207ccb3c9-9004-41e9-83fc-871e6f0d3ddb
名前 / ファイル | ライセンス | アクション |
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JTST11_1.pdf (3.0 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2017-02-16 | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | journal article | |||||||||||
タイトル | ||||||||||||
タイトル | Possibility of cryopreservation of medaka eggs using liquid meniscus | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
鶴田, 隆治
× 鶴田, 隆治× Sano, Hiroki× 谷川, 洋文
WEKO
446
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | The cryopreservation of fish eggs is an important subject in the field of fishery and preservation of biological species. Thus far, there has been no success in the preservation of fish eggs because of the large size of the eggs and the thick external shell. This paper discusses the effectiveness of using the liquid meniscus formed around the egg for protecting its morphology. Freezing and thawing experiments of medaka eggs were performed under different freezing conditions, and the hatching rate of the egg was examined. Before freezing, the eggs were dehydrated at room temperature in order to reduce the effect of volume expansion caused by freezing. It was confirmed that 100% of the eggs dehydrated by 15% or less were successfully hatched. In the freezing process, a medaka egg was placed on a hydrophobic cooling plate and a thin liquid meniscus was formed around the hydrophilic egg surface. An aqueous solution of trehalose was used as the liquid meniscus as well as a cryoprotectant to prevent damage caused by freezing. Cryopreservation of the egg was not successfully performed for all processes, including intracellular freezing; however, 80% of the eggs were alive even after freezing of the external meniscus. Therefore, it is confirmed that the liquid meniscus is effective for the cryopreservation of the external shell. The liquid meniscus can reduce the physical stress due to extracellular ice growth. Moreover, since the liquid meniscus system has a low heat capacity, the thermal process is easy to control compared to the conventional method. We concluded that the present method can be used for the cryopreservation of fish eggs. | |||||||||||
備考 | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | The First Pacific Rim Thermal Engineering Conference (PRTEC2016), Marchi 13-17, 2016, Waikoloa Beach Marriott Resort & Spa Hawaii's Big Island, USA | |||||||||||
書誌情報 |
Journal of Thermal Science and Technology 巻 11, 号 3, p. 1-8, 発行日 2016-12-22 |
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出版社 | ||||||||||||
出版者 | 社団法人日本機械学会 | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.1299/jtst.2016jtst0039 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 1880-5566 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | 日本機械学会 | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Fish egg | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Cryopreservation | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Liquid meniscus | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Dehydration | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Medaka | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
研究者情報 | ||||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/9_ja.html | ||||||||||||
連携ID | ||||||||||||
6067 |