Formation of nanoscale elemental silver particles via enzymatic reduction by Geobacter sulfurreducens

Nicholas Law, Saadia Ansari, Francis R. Livens, Joanna C. Renshaw, Jonathan R. Lloyd

Research output: Contribution to journalArticlepeer-review

96 Citations (Scopus)
84 Downloads (Pure)

Abstract

Geobacter sulfurreducens reduced Ag(I) (as insoluble AgCl or Ag+ ions), via a mechanism involving c-type cytochromes, precipitating extracellular nanoscale Ag(0). These results extend the range of metals known to be reduced by Geobacter species and offer a method for recovering silver from contaminated water as potentially useful silver nanoparticles. 

Original languageEnglish
Pages (from-to)7090-7093
Number of pages4
JournalApplied and Environmental Microbiology
Volume74
Issue number22
DOIs
Publication statusPublished - 1 Nov 2008

Keywords

  • nanoscale
  • silver particles
  • elemental
  • enzymatic reduction
  • geobacter sulfurreducens
  • c-type cytochromes

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