1. Department
of Chemistry, University of North Carolina at Charlotte, 9201 University
City Boulevard, Charlotte, North Carolina 28223, United States
2. Department
of Chemistry, College of William and Mary, Williamsburg, Virginia 23185, United States
3. Department
of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695-7907, United States
4. Basic
Science Program, Leidos Biomedical
Research, Inc., RNA Biology Laboratory, Frederick National Laboratory for Cancer Research, Frederick, Maryland 21702, United States
5. Nanoscale
Science Program and The Center
for Biomedical Engineering and Science, University of North Carolina at Charlotte, Charlotte, North Carolina 28223, United States