2011 Fiscal Year Final Research Report
Microbial formation of semiconductor materials contained selenium or tellurium for the simultaneous recovery of Se(Te) oxyanions and heavy metal ions
| Project/Area Number |
21658114
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Boundary agriculture
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| Research Institution | Prefectural University of Hiroshima |
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Principal Investigator |
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| Project Period (FY) |
2009 – 2011
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| Keywords | 環境浄化 |
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| Research Abstract |
Tellurium(Te) and selenium(Se) oxide ions are lethal toxicants to organisms and cause the serious toxicosia and carcinoma. However, recently, microorganisms capable of reducing Te or Se oxyanions in anaerobic conditions have been found from various environments. Some strains of microorganisms are able to produce intra-and extracellular elemental tellurium nano-particles by the anaerobic respiration. Bioremediation and biominealization due to these microorganisms have currently received increased attention as interesting subjects. In this study, we have achieved the isolation and enrichment of microorganisms capable of producing elemental Te and/or CdTe(or Se and/or CdSe) crystals, and the simultaneous recovery and conversion to useful nano-particles of heavy metals and anionic tellurium(or selenium)-metalloid.
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[Presentation] Enrichment of and characterization of bacteria for cadmium selenide synthesis2011
Author(s)
Satoshi Soda, Masaki Miyake, Toshifumi Sakaguchi, and Michihiko Ike
Organizer
International Union of Microbiological Societies(IUMS) 2011 Congress(XIII International Congress of Bacteriology and Applied Microbiology, XIII International Congress of Mycology, Meetings of the Three Divisions of the International Union of Microbiologic
Place of Presentation
Sapporo Convention Center and Sapporo Business Innovation Center, Sapporo, Japan
Year and Date
20110906-10
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[Presentation] Aerobic reduction of selenite by microbes isolated from deep-sea sediments in Japan Trench2011
Author(s)
Toshifumi SAKAGUCHI, Yosuke MOCHIDA, Katsuya DOI, Kaoru NAKASONE, and Chiaki KATO
Organizer
International Union of Microbiological Societies(IUMS) 2011 Congress(XIII International Congress of Bacteriology and Applied Microbiology, XIII International Congress of Mycology, Meetings of the Three Divisions of the International Union of Microbiologic
Place of Presentation
Sapporo Convention Center and Sapporo Business Innovation Center, Sapporo, Japan
Year and Date
20110906-10
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[Remarks] (1)阪口利文、持田陽介、深海底から分離された微生物によるセレン・テルル微粒子合成(Formation of Se and Te particles by microbes that were isolated from deep-sea environments in Japan trench)(2011)、文部科学省先端研究施設共用イノベーション創出事業【ナノテクノロジー・ネットワーク】、京都・先端ナノテク総合支援ネットワーク研究補助事業、平成23年度装置利用支援成果報告書H22-JA033
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[Remarks] (2)惣田訓、三宅將貴、阪口利文、微生物によるセレン化カドミウム合成の可能性(Microbial formation of crystalline CdSe particles)、(2011)、文部科学省先端研究施設共用イノベーション創出事業【ナノテクノロジー・ネットワーク】、京都・先端ナノテク総合支援ネットワーク研究補助事業、平成23年度装置利用支援成果報告書H22-JA034
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[Remarks] (3)阪口利文、清水亮佑、微生物を用いた含テルル重金属結晶微粒子の合成(Microbial formation of crystalline particles contained cadmium and tellurium)(2009)、文部科学省先端研究施設共用イノベーション創出事業【ナノテクノロジー・ネットワーク】、京都・先端ナノテク総合支援ネットワーク研究補助事業、平成20年度装置利用支援成果報告書H20-JA013
