Muniza Zahid, Byeonghoon Kim, Rafaqat Hussain, Rashid Amin* and Sung H Park*
* Corresponding authors: Rashid Amin ramin@ciitlahore.edu.pk - Sung H Park sunghapark@skku.edu
Nanoscale Research Letters 2013, 8:119 doi:10.1186/1556-276X-8-119
