1. Department of Chemistry, Michigan Technological University,1400 Townsend Drive, Houghton, Michigan 49931, United States
2. Health Research Institute, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States
3. Department of Biological Sciences, Michigan Technological University, 1400 Townsend Drive, Houghton, Michigan 49931, United States