1. Department of Biomedical Engineering; Texas A&M University; College Station TX 77843 USA
2. Department of Materials Science and Engineering; Texas A&M University; College Station TX 77843 USA
3. Department of Industrial and Environmental Biotechnology; National Institute of Genetic Engineering and Biotechnology; Tehran Iran
4. Technical University of Denmark; DTU Nanotech, Center for Nanomedicine and Theranostics; 2800 Kgs Denmark