Ruxangul Jamal*, Feng Xu, Weiwei Shao and Tursun Abdiryim*
* Corresponding authors: Ruxangul Jamal jruxangul@xju.edu.cn - Tursun Abdiryim tursunabdir@sina.com.cn
Nanoscale Research Letters 2013, 8:117 doi:10.1186/1556-276X-8-117
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