1. Department
of Chemistry, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, Minnesota 55455, United States of America
2. Department
of Chemistry, University of Texas-Pan American, 1201 West University Drive, Edinburg, Texas 78539, United States of America
3. Department of Chemical Engineering & Materials Science, 421 Washington Avenue, S.E., University of Minnesota, Minneapolis, Minnesota, 55455, United States of America