Li-Chi Chang, Huan-Nung Wu, Chia-Yu Lin, Yi-Hsuan Lai, Chih-Wei Hu and Kuo-Chuan Ho*
* Corresponding author: Kuo-Chuan Ho kcho@ntu.edu.tw
Nanoscale Research Letters 2012, 7:319 doi:10.1186/1556-276X-7-319
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