Yu Jeong Bae, Nyun Jong Lee, Tae Hee Kim*, Hyunduck Cho, Changhee Lee, Luke Fleet and Atsufumi Hirohata
* Corresponding author: Tae Hee Kim taehee@ewha.ac.kr
Nanoscale Research Letters 2012, 7:650 doi:10.1186/1556-276X-7-650