Yong-Han Lin, Lu-Yao Wang* and Juhn-Jong Lin*
* Corresponding authors: Lu-Yao Wang 089948@mail.fju.edu.tw - Juhn-Jong Lin jjlin@mail.nctu.edu.tw
Nanoscale Research Letters 2012, 7:673 doi:10.1186/1556-276X-7-673
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