Journal
CHEMOSPHERE
Volume 87, Issue 6, Pages 621-624Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2011.12.083
Keywords
Se nanoparticle; Mercury; Remediation; Shewanella
Categories
Funding
- National Research Foundation of Korea [NRF: 20100029224]
- 21C Frontier Microbial Genomics and Applications Center [11-2008-10-001-00]
- Ministry of Education, Science & Technology, Republic of Korea
- National Foundation for Science and Technology Development [NAFOSTED: 106.16-2011.65]
- National Research Foundation of Korea [11-2008-10-001-00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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. (C) 2012 Elsevier Ltd. All rights reserved.
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