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Microbial formation of a halloysite-like mineral
https://doi.org/10.24517/00010585
https://doi.org/10.24517/00010585ab5b685e-5f4b-4948-9945-39183ba01a05
名前 / ファイル | ライセンス | アクション |
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SC-PR-TAZAKI-K-224.pdf (1.9 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 | Microbial formation of a halloysite-like mineral | |||||
言語 | ||||||
言語 | eng | |||||
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 | |||||
ID登録 | ||||||
ID登録 | 10.24517/00010585 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Tazaki, Kazue
× Tazaki, Kazue |
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著者別表示 |
田崎, 和江
× 田崎, 和江 |
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書誌情報 |
Clays and Clay Minerals 巻 53, 号 3, p. 224-233, 発行日 2005-06-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0009-8604 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA0060716X | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1346/CCMN.2005.0530303 | |||||
出版者 | ||||||
出版者 | The Clay Minerals Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Transmission electron microscopy (TEM) has been used to demonstrate the biological formation of a hollow spherical halloysite-like mineral in freshwater systems. The interaction between clays and microbes was investigated in microbial films from laboratory cultures derived from natural sediments. Optical and electron microscopic observations of cultured microbes revealed that thin clay films covered areas of the bacterial cell wall. X-ray diffraction of the thin films after 2 y of ageing showed a 7.13 Å d spacing, consistent with a 7 Å halloysite-like phase [Al 2Si 2O 5 (OH) 4·H 2O]. Fourier transform infrared analysis of the thin film exhibited the characteristic adsorption bands for O-H (3651 cm -1), C-H and C-N (2925, 1454 and 1420 cm -1, respectively), suggesting that the phase was closely associated with adhesive organics. Observation by TEM of the thin films revealed that spherical, hollow, halloysite-like material formed on both coccus- and bacillus-type bacterial cells. Electron diffraction analysis of this material showed 2.9, 2.5, 2.2 and 1.5 Å d spacings. The present investigation strongly suggests that the thin film wall of the spherical halloysite-like material was associated with bacteria as a bio-organic product. This material, referred to hereafter as bio-halloysite, is further evidence for the microbially-mediated formation of clay minerals. The identity of the bacteria responsible for bio-halloysite formation is unknown, but is tentatively assigned to sulfate-reducing bacteria on the basis of morphology and the presence of reducing conditions in the microcosm at the end of the experiments. Copyright © 2005, The Clay Minerals Society. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |