Parkpoom Jarupoom, Sukum Eitssayeam, Kamonpan Pengpat, Tawee Tunkasiri, David P Cann and Gobwute Rujijanagul*
* Corresponding author: Gobwute Rujijanagul rujijanagul@yahoo.com
Nanoscale Research Letters 2012, 7:59 doi:10.1186/1556-276X-7-59
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