Andrej Kovic, Andrej Znidarsic, Adolf Jesih, Ales Mrzel, Miran Gaberscek and Abdou Hassanien*
* Corresponding author: Abdou Hassanien abdou.hassanien@ki.si
Nanoscale Research Letters 2012, 7:567 doi:10.1186/1556-276X-7-567