Gyudo Lee, Hyungbeen Lee, Kihwan Nam, Jae-Hee Han, Jaemoon Yang, Sang W Lee, Dae S Yoon, Kilho Eom and Taeyun Kwon*
* Corresponding author: Taeyun Kwon tkwon@yonsei.ac.kr
Nanoscale Research Letters 2012, 7:608 doi:10.1186/1556-276X-7-608
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