Ki-Young Dong, Jinnil Choi, Yang Doo Lee, Byung Hyun Kang, Youn-Yeol Yu, Hyang Hee Choi* and Byeong-Kwon Ju*
* Corresponding authors: Hyang Hee Choi netchoi@yonsei.ac.kr - Byeong-Kwon Ju bkju@korea.ac.kr
Nanoscale Research Letters 2013, 8:12 doi:10.1186/1556-276X-8-12
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