Ayse Erol*, Elif Akalin*, Fahrettin Sarcan, Omer Donmez, Sevim Akyuz, Cetin M Arikan, Janne Puustinen and Mircea Guina
* Corresponding authors: Ayse Erol ayseerol@istanbul.edu.tr - Elif Akalin eakalin@istanbul.edu.tr
Nanoscale Research Letters 2012, 7:656 doi:10.1186/1556-276X-7-656
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