Xiaocheng Li*, Beng K Tay*, Junshuai Li, Dunlin Tan, Chong W Tan and Kun Liang
* Corresponding authors: Xiaocheng Li xiaocheng@ntu.edu.sg - Beng K Tay ebktay@ntu.edu.sg
Nanoscale Research Letters 2012, 7:205 doi:10.1186/1556-276X-7-205
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