1. Macromolecular Science and Engineering Program University of Michigan Ann Arbor NCRC Building 28, 2800 Plymouth Rd. Ann Arbor MI 48109 USA
2. Department of Chemical Engineering University of Michigan Ann Arbor NCRC 28, 2800 Plymouth Rd. Ann Arbor MI 48109 USA
3. Department of Chemistry and Biochemistry University of Mississippi 179 Coulter Hall University MS 38677 USA