Xia Bao Yu, Wu Hao Bin, Yan Ya, Wang Hai Bo, Wang Xin
School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore.
Small. 2014 Jun 25;10(12):2336-9. doi: 10.1002/smll.201302648. Epub 2014 Mar 7.