1. Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock, Little Rock, AR, USA;
2. National Institute for Research and Development of Isotopic and Molecular Technologies;
3. Arkansas Nanomedicine Center, University of Arkansas for Medical Sciences, Little Rock, AR, USA;
4. Department of Radiation Oncology, Arkansas Nanomedicine Center, University of Arkansas for Medical Sciences, Little Rock, AR, USA