Wang Hongbo, Xu Wei, Zhang Hao, Li Dawei, Yang Zhaoqi, Xie Xiaoji, Li Tianhu, Liu Xiaogang
Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543.
Small. 2011 Jul 18;7(14):1987-92. doi: 10.1002/smll.201100470. Epub 2011 Jun 14.