[1] Mechanical Engineering Department, Bilkent University, Ankara, Turkey
[2] Department of Metallurgical and Materials Engineering, Middle East Technical University, Ankara, Turkey
[3] BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
[4] Biomedical Engineering Program, Middle East Technical University, Ankara, Turkey
[5] UNAM, National Nanotechnology Research Center, Ankara, Turkey