1. Nanoscale Science Program Department of Chemistry University of North Carolina at Charlotte Charlotte NC 28223 USA
2. Department of Biological Sciences University of North Carolina at Charlotte Charlotte NC 28223 USA
3. Nanotechnology Characterization Laboratory Cancer Research Technology Program Frederick National Laboratory for Cancer Research Frederick MD 21702 USA
4. Department of Mathematics University of North Carolina at Charlotte Charlotte NC 28223 USA
5. Drug Design, Development, and Delivery (4D) Laboratory Department of Bioengineering Clemson University Clemson SC 29634 USA