1. Fiber and Polymer Science Program, Dept. of Textile Engineering, Chemistry, and Science, North Carolina State Univ., Raleigh, NC 27695. E-mail: juahinestroza@ncsu.edu
2. Professor and Associate Dean for Research and Graduate Studies, Dept. of Chemical Engineering, Tulane Univ. and Tulane Institute for Macromolecular Engineering and Science, New Orleans, LA 70118 (corresponding author). E-mail: ddekee@tulane.edu