Kan Wang, Jing Ruan, Qirong Qian*, Hua Song, Chenchen Bao, Xueqing Zhang, Yifei Kong, Chunlei Zhang, Guohan Hu, Jian Ni and Daxiang Cui*
* Corresponding authors: Qirong Qian qianqr@163.com - Daxiang Cui daxiangcui@yahoo.com
Journal of Nanobiotechnology 2011, 9:23 doi:10.1186/1477-3155-9-23
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