Biotechnology Letters

, Volume 28, Issue 14, pp 1135–1139

Biological Synthesis of Semiconductor Zinc Sulfide Nanoparticles by Immobilized Rhodobacter sphaeroides

Original Paper
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Abstract

A novel, clean biological transformation reaction by immobilized Rhodobacter sphaeroides has been developed for the synthesis of zinc sulfide (ZnS) nanoparticles with an average diameter of 8 nm. The nanoparticles were examined by X-ray diffraction, transmission electron microscopy, energy dispersive analyses of X-rays, UV–vis optical absorption and photoluminescence spectra. The average diameter of ZnS nanoparticles varied according to the culture time.

Key words

Biological synthesis Nanoparticles Rhodobacter sphaeroides Zinc sulfide 

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Copyright information

© Springer Science+Business Media B.V. 2006

Authors and Affiliations

  1. 1.College of Life Science and TechnologyShanxi UniversityTaiyuanP.R. China
  2. 2.Department of Environmental and Safety engineeringNorth University of ChinaTaiyuanP.R. China

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