1. Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060,
United States
2. Department of Chemistry, Youngstown State University, One University Plaza,
Youngstown, Ohio 44555-3663, United States
3. Department of Chemistry, University of Akron, Akron, Ohio 44325-3601, United
States
4. Department
of Molecular and
Cell Biology, University of Connecticut, Storrs, Connecticut 06269-3125, United States