Mercury capture into biogenic amorphous selenium nanospheres produced by mercury resistant Shewanella putrefaciens 200

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• 作者：Shenghua Jiang^a ; ¹ ; Cuong Tu Ho^a ; ^b ; ¹ ; Ji-Hoon Lee^c ; Hieu Van Duong^a ; Seunghee Han^a ; ^d ; Hor-Gil Hur^a ; ^d ; ^{hghur@gist.ac.kr}
• 关键词：Se nanoparticle ; Mercury ; Remediation ; Shewanella
• 刊名：Chemosphere
• 出版年：2012
• 期刊代码：15_00456535
• 类别：env
• 出版时间：May, 2012
• 卷：87
• 期：6
• 页码：621-624
• 文件大小：554 K

摘要

Shewanella putrefaciens 200, resistant to high concentration of Hg(II), was selected for co-removal of mercury and selenium from aqueous medium. Biogenic Hg(0) reduced from Hg(II) by S. putrefaciens 200 was captured into extracellular amorphous selenium nanospheres, resulting in the formation of stable HgSe nanoparticles. This bacterial reduction could be a new strategy for mercury removal from aquatic environments without secondary pollution of mercury methylation or Hg(0) volatilization.