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水面に短時間で発生する鉄生体鉱物の薄膜
http://hdl.handle.net/2297/35708
http://hdl.handle.net/2297/357082a3bbb1d-202c-492d-88b6-ad7441180d99
名前 / ファイル | ライセンス | アクション |
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SC-PR-TAZAKI-K-21.pdf (39.7 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | 水面に短時間で発生する鉄生体鉱物の薄膜 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Quick Occurrence of Fe-rich Biofilms on the Water Surface | |||||
言語 | ||||||
言語 | jpn | |||||
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 | |||||
著者 |
田崎, 和江
× 田崎, 和江× 朝田, 隆二× 池田, 頼正 |
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書誌情報 |
粘土科学 = Journal of the Clay Science Society of Japan (in Japanese) 巻 42, 号 1, p. 21-36, 発行日 2002-08-24 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0470-6455 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1155672X | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.11362/jcssjnendokagaku1961.42.21 | |||||
出版者 | ||||||
出版者 | 日本粘土学会 = The Clay Science Society of Japan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Biofilms quickly occur on the water surface, associated with Fe-bacteria, such as Leptothrix sp., Gallionella sp. and Toxothrix sp. are the most common pioneering species in microbial communities. The bacterial colonies form, Fe-rich biofilms within a few days which is active oxic zone of the top water surface. Biofilms are composed of amorphous iron hydroxides, goethite, ferrihydrite and schwertmannite Fe8O8(OH) 6S04 (2.5 and 1.5 Å) are found both in natural system and cultured solution. SEM-EDX, TEM and atomic-force microscopy showed the formation processes of Fe-rich biofilms with sub-micron rugged structure on the primitive stage. In this paper biomineral structure of Fe-rich biofilms collected from underground water at three places was described. The structure is affected by the water physical and chemical environment (anaerobic or oxidized condition), bacterial species, water chemical composition, and species interactions. The old idea of the biofilms is simply microbes suspended in a homogeneous, but in this study variety of microorganisms with Fe-rich cell was revealed. Brownish black biofilms grow on the surface of underground water in the Kakuma Campus of Kanazawa University, are of predominantly iron oxidizing bacteria, such as Leptothrix sp., Gallionella sp. and Toxothrix sp. The biofilms use ferrous ions as their energy source through the oxidation into ferric ions. TEM of the biofilms have revealed mucoid substances of bacteria, like polysaccharides are effective for adhesion of iron hydroxides produced through biomineralization of various bacterial communities. The quick condensation process of ordered iron bacterial colonies considered to be a factor for increasing the thickness of biofilms. This is the first time oriented Fe-bacterial sheet/nets in the colonies have been found in biofilms within a few days aging time. The formation mechanism of biofilms on the water surface can be apply science to implants to be placed in the human body in biomedical applications, such as catheter, heartlung machine, and contact lenses. | |||||
権利 | ||||||
権利情報 | Copyright © 日本粘土学会 Clay Science Society of Japan | 許可を得て登録 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.cssj2.org/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/jcssjnendokagaku1961/-char/ja/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110003712640/ |