1. Nanoscience and Microsystems Department, University of New Mexico, MSC01 1120, 1 University of New Mexico, Albuquerque, New Mexico 87131, United States
2. Bioscience Division, Los Alamos National Laboratory, P.O. Box 1663 MS M888, Los Alamos, New Mexico 87545, United States
3. MPA-CINT: Center for Integrated Nanotechnologies, Los Alamos National Laboratory, P.O.
Box 1663 MS K771, Los Alamos, New Mexico 87545, United States
4. C-PCS: Physical Chemistry & Applied Spectroscopy, Los Alamos National Laboratory, P.O. Box 1663 MS J567, Los Alamos, New Mexico 87545, United States
5. Applied Modern Physics Division, Los Alamos National Laboratory, P.O. Box 1663 MS D454, Los Alamos, New Mexico 87545, United States
6. Systems Analysis and Surveillance Division, Los Alamos National Laboratory, P.O. Box
1663 MS C921, Los Alamos, New Mexico 87545, United States