Shin Gunchul, Yoon Chang Hoon, Bae Min Young, Kim Yoon Chul, Hong Sahng Ki, Rogers John A, Ha Jeong Sook
Department of Chemical and Biological Engineering, Korea University, Seoul 136-701, Korea.
Small. 2011 May 9;7(9):1181-5. doi: 10.1002/smll.201100116. Epub 2011 Apr 14.