Hee-Ryoung Cha, Jaeseon Lee, Jae-Wook Lee, Jong-Man Kim, Jaebeom Lee, Jihye Gwak, Jae H Yun, Yangdo Kim and Dongyun Lee*
* Corresponding author: Dongyun Lee dlee@pusan.ac.kr
Nanoscale Research Letters 2012, 7:292 doi:10.1186/1556-276X-7-292
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