Unal Yesilgul*, Fatih Ungan, Serpil Şakiroğlu, Carlos Duque, Miguel Mora-Ramos, Esin Kasapoglu, Huseyin Sari and Ismail Sökmen
* Corresponding author: Unal Yesilgul uyesilgul@cumhuriyet.edu.tr
Nanoscale Research Letters 2012, 7:586 doi:10.1186/1556-276X-7-586
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