Mahesh Kumar, Thirumaleshwara N Bhat, Mohana K Rajpalke, Basanta Roul, Ajit T Kalghatgi and S B Krupanidhi*
* Corresponding author: S B Krupanidhi sbk@mrc.iisc.ernet.in
Nanoscale Research Letters 2011, 6:609 doi:10.1186/1556-276X-6-609
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