Szu-Hung Chen, Wen-Shiang Liao*, Hsin-Chia Yang, Shea-Jue Wang, Yue-Gie Liaw, Hao Wang*, Haoshuang Gu and Mu-Chun Wang*
* Corresponding authors: Wen-Shiang Liao wsliaoumc@yahoo.com.tw - Hao Wang nanoguy@126.com - Mu-Chun Wang mucwang@must.edu.tw
Nanoscale Research Letters 2012, 7:431 doi:10.1186/1556-276X-7-431
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