1. Department of Bioengineering; Institute for Graduate Studies in Science and Engineering, Hacettepe University; Ankara 06640 Turkey
2. Department of Nanotechnology and Nanomedicine; Institute for Graduate Studies in Science and Engineering, Hacettepe University; Ankara 06640 Turkey
3. Department of Basic Pharmaceutical Sciences, Faculty of Pharmacy; Hacettepe University; Ankara 06100 Turkey
4. Bioengineering Department; Gebze Technical University; Kocaeli 41400 Turkey
5. Department of Polymer Science and Technology; Institute for Graduate Studies in Science and Engineering, Hacettepe University; Ankara 06640 Turkey