Shang-Chen Hsieh, Chia-Chen Chang, Chia-Chen Lu, Chia-Fong Wei, Chuan-Sheng Lin, Hsin-Chih Lai* and Chii-Wann Lin*
* Corresponding authors: Hsin-Chih Lai hclai@mail.cgu.edu.tw - Chii-Wann Lin cwlinx@ntu.edu.tw
Nanoscale Research Letters 2012, 7:180 doi:10.1186/1556-276X-7-180