Shweta Bhandari, Melepurath Deepa, Amish G Joshi, Aditya P Saxena and Avanish K Srivastava*
* Corresponding author: Avanish K Srivastava aks@nplindia.ernet.in
Nanoscale Research Letters 2011, 6:424 doi:10.1186/1556-276X-6-424
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