Jin Y Kim, Mingshi Jin, Kyung J Lee, Jae Y Cheon, Sang H Joo*, Ji M Kim* and Hoi R Moon*
* Corresponding authors: Sang H Joo shjoo@unist.ac.kr - Ji M Kim jimankim@skku.edu - Hoi R Moon hoirimoon@unist.ac.kr
Nanoscale Research Letters 2012, 7:461 doi:10.1186/1556-276X-7-461
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