1. Department of Chemistry, ‡George and Josephine Butler Polymer
Research Laboratory, and §Center for Macromolecular
Science and Engineering, University of Florida, Gainesville, Florida 32611, United States
2. Department of Physiological Sciences, College of
Veterinary Medicine and ¶Department of Orthodontics,
College of Dentistry, University of Florida, Gainesville, Florida 32610, United States