Chen Zheng, Augustyn Veronica, Wen Jing, Zhang Yuewei, Shen Meiqing, Dunn Bruce, Lu Yunfeng
Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, 90095, USA.
Adv Mater. 2011 Feb 8;23(6):791-5. doi: 10.1002/adma.201003658.