Study on mechanism of molybdenum accumulation in sediment based on chemical speciation using XAFS technique

2012 Fiscal Year Final Research Report

• Project/Area Number: 22740354
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Geochemistry/Astrochemistry
• Research Institution: University of Shizuoka
• Principal Investigator: MITSUNOBU Satoshi 静岡県立大学, 環境科学研究所, 助教 (70537951)
• Project Period (FY): 2010 – 2012
• Keywords: スペシエーション

Research Abstract

Mechanisms of molybdenum accumulation in sea sediment were investigated in the present study. Particularly, possible effect of microbial activity on the accumulation process was examined. A new method for direct determination of both metal species and microbial community was developed in this project to investigate in situ molybdenum accumulation process in microscale.

Research Products

• [Journal Article] Bacteriogenic Fe(III) (oxyhydr)oxides characterized by synchrotron microscope coupled with spatially-resolved phylogenetic analysis (2012)
  • Author(s): Mitsunobu S, Shiraishi F, Makita H, Orcutt BN, Kikuchi F, Jorgensen BB, Takahashi Y
  • Journal Title: Environmental Science & Technology Volume: 46 Pages: 3304-3311
  • Peer Reviewed
• [Journal Article] Immobilization of arsenic(V) during transformation of the ferrihydrite: A direct speciation study using synchrotron-based XAFS spectroscopy. (2012)
  • Author(s): Muramatsu C, Sakata M, Mitsunobu S
  • Journal Title: Chemistry Letters Volume: 41 Pages: 270-271
  • Peer Reviewed
• [Journal Article] Identification and characterization of nanosized tripuhyite in soil near Sb mine tailings. (2011)
  • Author(s): Mitsunobu S, Takahashi Y, Utsunomiya S, Marcus M, Terada Y, Iwamura T, Sakata M
  • Journal Title: American Mineralogist Volume: 96 Pages: 1171-1181
  • Peer Reviewed
• [Journal Article] Antimony(V) incorporation into synthetic ferrihydrite, goethite, and natural iron oxyhydroxides. (2010)
  • Author(s): Mitsunobu S, Takahashi Y, Terada Y, Sakata M
  • Journal Title: Environmental Science & Technology Volume: 44 Pages: 3712-3718
  • Peer Reviewed
• [Journal Article] Arsenic attenuation in geothermal streamwater coupled with biogenic As(III) oxidation
  • Author(s): Mitsunobu S, Hamamura N, Kataoka T, Shiraishi F
  • Journal Title: Applied Geochemistry Volume: (in press)
  • Peer Reviewed
• [Presentation] FISH 法とマイクロXAFS 法を組み合わせた新しいバイオミネラル分析法(XAFS-FISH法)の開発. (2012)
  • Author(s): 光延 聖,白石史人,高橋嘉夫,坂田昌弘
  • Organizer: 第59回日本地球化学会
  • Place of Presentation: 九州大学箱崎キャンパス
  • Year and Date: 20120900
• [Presentation] In situ characterization of microorganism-metalloid-mineral interaction by XAFS-FISH technique. (2012)
  • Author(s): Mitsunobu S , Shiraishi F
  • Organizer: The 28th Annual Meeting of theJapanese Society of Microbial Ecology
  • Place of Presentation: Toyohashi, Japan
  • Year and Date: 20120900
• [Presentation] 放射光源 X 線顕微鏡を使った環境試料分析 (2012)
  • Author(s): 光延 聖
  • Organizer: PF 研究会顕微分光研究の新展開
  • Place of Presentation: つくば高エネルギー加速器研究機構研究本館
  • Year and Date: 20120900
• [Presentation] マイクロXAFS 法とFISH 法を組み合わせた新しいバイオミネラリゼーション観察手法の開発 (2012)
  • Author(s): 光延 聖,白石史人
  • Organizer: 日本地球惑星科学連合2012 年会
  • Place of Presentation: 千葉幕張メッセ
  • Year and Date: 20120500
• [Presentation] マイクロXAFS 法をもちいた環境試料分析. (2012)
  • Author(s): 光延 聖
  • Organizer: Spring-8 利用者懇談会文化財/X 線スペクトロスコピー合同研究会
  • Place of Presentation: 東京文化財研究所
  • Year and Date: 20120300
• [Presentation] Microbiological investigation of the Iron-contaming flocculent mats in various deep sea environments. (2011)
  • Author(s): Makita H, Kikuchi S, Mitsunobu S, Nakamura K, Toki T, Kawagucci S, Noguchi T, Abe M, Miyazaki J, Yamanaka T, Tsuchida S, Nomaki H, Takahashi Y, Takai K
  • Organizer: Goldschmidt2011
  • Place of Presentation: Prague, Czech Republic
  • Year and Date: 20110800
• [Presentation] Speciation of iron in natural and synthesized Bacteriogenic Iron Oxides (BIOS) using XAFS and μ-XRF-XAFS. (2011)
  • Author(s): Kikuchi S, Makita H, Mitsunobu S, Takai K, Takahashi Y
  • Organizer: Goldschmidt2011
  • Place of Presentation: Prague, Czech Republic
  • Year and Date: 20110800
• [Presentation] バイオミネラル研究の重要性と研究紹介 (2011)
  • Author(s): 光延 聖
  • Organizer: ワークショップ「深海掘削による生命・地球科学の新しいパラダイムを求めて」
  • Place of Presentation: 東京富国生命ビル
  • Year and Date: 20110500
• [Presentation] マイクロXAFS 法によるアンチモンの土壌への固定メカニズムの解明. (2010)
  • Author(s): 光延 聖, 高橋嘉夫, 寺田靖子
  • Organizer: XAFS 討論会
  • Place of Presentation: 立命館大学草津キャンパス
  • Year and Date: 20100900
• [Presentation] Ferrihydrite の相転移反応によってアンチモンは結晶構造内部へ固定化される. (2010)
  • Author(s): 光延 聖, 高橋嘉夫, 坂田昌弘
  • Organizer: 第57回日本地球化学会年会
  • Place of Presentation: 立正大学熊谷キャンパス
  • Year and Date: 20100900
• [Presentation] バルクXAFS およびマイクロXAFS 法を組み合わせた有害元素(アンチモン)の土壌挙動メカニズムの解明 (2010)
  • Author(s): 光延 聖
  • Organizer: 2010 年度PF 研究会
  • Place of Presentation: 高エネルギー加速器研究機構4号館
  • Year and Date: 20100700
• [Presentation] XAFS 法による存在状態決定に基づくアンチモンおよびヒ素の土壌中での挙動解明. (2010)
  • Author(s): 光延 聖, 高橋嘉夫, 坂田昌弘
  • Organizer: 第19回環境化学討論会
  • Place of Presentation: 中部大学春日井キャンパス
  • Year and Date: 20100600
• [Presentation] Direct determination of Sb(V) incorporation into synthetic and natural Fe hydroxides by EXAFS (2010)
  • Author(s): Mitsunobu S, Takahashi Y, Sakata M
  • Organizer: Goldschmidt2010
  • Place of Presentation: Knoxville, USA
  • Year and Date: 20100600
• [Book] シンクロトロン放射光源X線を利用した土壌元素の非破壊分析 (2012)
  • Author(s): 光延 聖
  • Publisher: 土肥博友社
• [Remarks]
  • URL: http://opt12507.u-shizuoka-ken.ac.jp/top.html