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閉鎖生態系生命維持システム(CELSS)における水の衛生微生物学的安全性評価システムの開発
https://jaxa.repo.nii.ac.jp/records/13275
https://jaxa.repo.nii.ac.jp/records/13275857f3d0a-73bc-4569-8728-46bbdc422ffc
名前 / ファイル | ライセンス | アクション |
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64297031.pdf (507.8 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 閉鎖生態系生命維持システム(CELSS)における水の衛生微生物学的安全性評価システムの開発 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Space Habitation, Freshwater, Microbiological Monitoring, Rapid Microbiological Methods, Microfluidic System | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Development of new methods for microbiological quality assurance of water used in controlled ecological life support systems | |||||
著者 |
山口, 進康
× 山口, 進康× 一條, 知昭× 永瀬, 裕康× 馬場, 貴志× 那須, 正夫× Yamaguchi, Nobuyasu× Ichijo, Tomoaki× Nagase, Hiroyasu× Baba, Takashi× Nasu, Masao |
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著者所属 | ||||||
大阪大学大学院薬学研究科 | ||||||
著者所属 | ||||||
大阪大学大学院薬学研究科 | ||||||
著者所属 | ||||||
大阪大学大学院薬学研究科 | ||||||
著者所属 | ||||||
大阪大学大学院薬学研究科 | ||||||
著者所属 | ||||||
大阪大学大学院薬学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Pharmaceutical Science, Osaka University | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Pharmaceutical Science, Osaka University | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Pharmaceutical Science, Osaka University | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Pharmaceutical Science, Osaka University | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Pharmaceutical Science, Osaka University | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙利用シンポジウム en : Space Utilization Research: Proceedings of Space Utilization Symposium 巻 25, 発行日 2009-03 |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 第25回宇宙利用シンポジウム(2009年1月14日-15日, 宇宙航空研究開発機構宇宙科学研究本部相模原キャンパス) | |||||
会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The Twenty-fifth Space Utilization Symposium (January 14-15, 2009: ISAS/JAXA Sagamihara, Japan) | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A Controlled Ecological Life Support System (CELSS) is essential for habitation in extreme environments (space, polar regions, ocean depths, etc.) and an enormous amount of freshwater is used and regenerated for drinking and living. In order to assure human health in closed habitations, microbiological quality control of freshwater used in CELSS is required, and bacterial population dynamics in the system should be determined rapidly and accurately. In this study, bacterial abundance and the numbers of bacteria with physiological activity in freshwater used and regenerated in Closed Ecology Experiment Facilities (CEEF; Aomori, Japan) during the Closed Habitation Experiments were determined to understand bacterial abundance and activity in a closed habitation. Our results suggest that bacterial numbers and their activities in freshwater used in CELSS could be accurately determined within a few hours by fluorescent vital staining. PCR-DGGE (denaturing gradient gel electrophoresis) analyses revealed that alpha-proteobacteria was abundant in freshwater and hydroponics used in the CEEF. Rapid microbiological methods would contribute to the technical progress in the quality assurance of freshwater used in CELSS. For further simple and automated microbiological monitoring, we developed a microfluidic system for quantification of bacteria in freshwater. Comparisons of counts of Escherichia coli by the microfluidic system and by fluorescence microscopy closely correlated (r(exp 2) = 0.98). Bacteria in purified household tap water were rapidly and accurately counted by using this system with on-chip fluorescent staining. A culture-independent DNA fingerprinting technique, Terminal Restriction Fragment Length Polymorphism (T-RFLP) analysis is widely used for profiling bacterial populations in aquatic environments. Capillary electrophoresis systems are usually used for the T-RFLP analysis; however this system is rather time-consuming. We developed a protocol for T-RFLP analysis using a microchip electrophoresis system. The time required for this analysis was 15 min, while 80 min was required for conventional T-RFLP analysis using a capillary electrophoresis system. These methods might contribute to technical progress in the microbiological quality control of freshwater used in closed habitations. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10324210 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0064297031 |