Whi Dong Kim, Jun Young Huh, Ji Young Ahn, Jae Beom Lee, Dongyun Lee, Suck Won Hong and Soo Hyung Kim*
* Corresponding author: Soo Hyung Kim sookim@pusan.ac.kr
Nanoscale Research Letters 2012, 7:202 doi:10.1186/1556-276X-7-202
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