1. Department of Chemistry, University of North Dakota, Grand Forks, ND, 58202, USA
2. Department of Chemistry, University of South Dakota, Vermillion, SD, 57069, USA
3. Department of Biology, University of North Dakota, Grand Forks, ND, 58202, USA
4. Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND, 58202, USA