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  1. 医学部
  1. 医学部
  2. 学術雑誌掲載論文  (医学部)

Accumulation of gold by microorganisms

http://hdl.handle.net/10458/988
http://hdl.handle.net/10458/988
2c4dfa23-e61a-4027-9bc3-53f8aa18c368
名前 / ファイル ライセンス アクション
WorldJMicrobiolBiotechnol-19-369-2003.pdf WorldJMicrobiolBiotechnol-19-369-2003.pdf (128.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2007-12-05
タイトル
タイトル Accumulation of gold by microorganisms
言語 en
言語
言語 eng
キーワード
言語 en
主題Scheme Other
キーワード gold accumulation, gold desorption, immobilization, gold speciation, Pseudomonas maltophilia
資源タイプ
資源タイプ journal article
著者 Nakajima, Akira

× Nakajima, Akira

WEKO 7727

en Nakajima, Akira

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内容記述タイプ Abstract
内容記述 Thirty species of microorganisms (8 bacteria, 9 actinomycetes, 8 fungi and 5 yeasts) were screened for maximal gold accumulation. Extremely high abilities to accumulate gold from the solution containing hydrogen tetrachloroaurate(III) were found in bacterial strains, such as Escherichia coli and Pseudomonas maltophilia. Most of actinomycetes, fungi and yeasts have less ability to accumulate gold in comparison with bacteria. Some of microorganisms can accumulate similar amounts of gold from the solution containing
sodium gold(I) thiomalate as those from gold(III) solution. However, most of
microorganisms tested accumulate far lesser amounts of gold from the solution containing sodium dicyanoaurate(I) than from the other two gold solutions. The
accumulation of gold from the solution containing hydrogen tetrachloroaurate(III) by Pseudomonas maltophilia was very rapid, was affected by the pH of the solution, and
obeyed the Langmuir adsorption isotherm. The Pseudomonas maltophilia cells immobilized with polyacrylamide gel adsorbed gold effectively from the solution
containing hydrogen tetrachloroaurate(III). The gold adsorbed on the cells was easily
desorbed with 0.1 M thiourea solution. The immobilized Pseudomonas cells could be
used repeatedly in the adsorption-desorption cycle using 0.1 M thiourea solution as desorbent.
言語 en
内容記述
内容記述タイプ Other
内容記述 The original publication is available at www.springerlink.com
言語 en
書誌情報 en : World journal of microbiology & biotechnology

巻 19, 号 4, p. 369-374, 発行日 2003-06
出版者
出版者 Springer
言語 en
ISSN
収録物識別子タイプ ISSN
収録物識別子 09593993
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10811107
著者版フラグ
出版タイプ AM
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