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長野県・松代温泉におけるバイオマットへのホウ素の濃縮
https://doi.org/10.24517/00061690
https://doi.org/10.24517/00061690493ba394-b3cf-44ad-af91-e6c34054fee4
名前 / ファイル | ライセンス | アクション |
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SC-PR-TAZAKI-K-63.pdf (3.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-26 | |||||
タイトル | ||||||
タイトル | 長野県・松代温泉におけるバイオマットへのホウ素の濃縮 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | The microbes purify high concentration of metaboric acid water on the microbial mats of Matsushiro Hot Springs, Nagano Prefecture, Japan | |||||
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 | |||||
ID登録 | ||||||
ID登録 | 10.24517/00061690 | |||||
ID登録タイプ | JaLC | |||||
著者 |
佐藤, 和也
× 佐藤, 和也× 田崎, 和江× 奥野, 正幸× 久保, 博 |
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著者別表示 |
Satoh, Kazuya
× Satoh, Kazuya× Tazaki, Kazue× Okuno, Masayuki× Kubota, Hiroshi |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域地球社会基盤学系 | |||||
書誌情報 |
地球科学 en : Earth Science 巻 64, 号 2, p. 63-75, 発行日 2010-03-25 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0366-6611 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2189-7212 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00141269 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.15080/agcjchikyukagaku.64.2_63 | |||||
出版者 | ||||||
出版者 | 地学団体研究会 The Association for the Geological Collaboration in Japan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 長野県の松代温泉は,大量のほう素(B)を含む温泉としてよく知られている.その排水溝には茶褐色および黒色のバイオマットが形成されている.特に河川水と温泉排水が交わる部分には黒色のバイオマットが形成されている.いずれのバイオマット中にも多量のBが濃集しており,これによって,排水中のB濃度は,排出直後よりも4割程度減少する.これは,バイオマット中に生息するシアノバクテリアがカルサイトを作る時に,二酸化炭素のかわりに炭酸塩イオンを取り込むからである.その際に細胞周辺に局所的に高アルカリ環境を作り出し,温泉中のHBO2を電離させ,よりBを他の物質に結合しやすい状態にするためである.シアノバクテリアはカルサイトを作り出すことによって,Bを濃集させ,温泉水中のBを軽減する働きがある. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Matsushiro Hot springs in Nagano Prefecture, Japan is known as one of the hot springs in which the concentration of boron (B) is quite high. The hot spring water drainage ditch was covered with dark brown microbial mats. Before the drainage meets the river, the microbial mats deposit is more than 2m in depth. The microbial mats deposit has two layers. In the upper parts, dark brown microbial mats covered the surface. Underneath are black microbial mats which make up a portion of the two layer structure. At the junction of the drainage and river water, only black microbial mats occurred. The aim of this study was to reduce the boron concentration of the drainage water with microbial mats at Matsushiro Hot Springs. ASS analysis showed that microbial mats collected from five different points contain 854mg B/kg, 8628mg Fe/kg, 120mg As/kg, and 912mg Mg/kg on average. ED-XRF analysis showed that all microbial mats contained more than 50wt% of Ca. XRD analysis and FT-IR spectra of the microbial mats indicated the presence of calcite. Observations by optical and electron microscopy showed that cyanobacteria inhabited dark brown microbial mats, whereas cyanobacteria and diatoms inhabited in black mierobial mats. Cyanobacteria use an enzyme named carbonate anhydrase (CA). HCO3- dissolved in the hot spring water was broken down into CO2 and OH- by CA. That OH- made temporary alkaline conditions around the cyanobacteria. Such alkaline conditions facilitate the break down of HBO2 into H+ and BO2-. BO2- can form many chemical compounds. The concentration of boron described in this study might have profound implications for bioremediation of boron contaminated sites. | |||||
権利 | ||||||
権利情報 | Copyright © 地学団体研究会 The Association for the Geological Collaboration in Japan | |||||
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 | https://www.jstage.jst.go.jp/browse/agcjchikyukagaku/-char/ja | |||||
関連名称 | https://www.jstage.jst.go.jp/browse/agcjchikyukagaku/-char/ja | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.chidanken.jp/ | |||||
関連名称 | http://www.chidanken.jp/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.chidanken.jp/08_1.html | |||||
関連名称 | https://www.chidanken.jp/08_1.html |