1. Center
for Integrated Nanotechnologies, Sandia National Laboratories, P.O. Box 5800, Albuquerque, New Mexico 87185, United States
2. Department
of Chemistry, Southern New Hampshire University, 2500 North River Road, Hooksett, New Hampshire 03106, United States
3. Imagion Biosystems, 800 Bradbury
Drive SE, Albuquerque, New
Mexico 87106, United States
4. Department of Chemistry & Biochemistry, Northern Arizona University, South San Francisco Street, Flagstaff, Arizona 86011, United States