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Submitted on: 10 May 2007.
Revised on: 07 June 2007.
Accepted on: 10 July 2007.
___________________JOURNAL OF NANOPARTICLE RESEARCH
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Submitted on: 28 May 2012.
Revised on: 07 September 2012.
Accepted on: 12 October 2012.
___________________JOURNAL OF NANOPARTICLE RESEARCH
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