1. PhD, Dept. of Chemical Engineering, Designed Interphase Group, Virginia Tech, Blacksburg, VA 24061; presently, Proctor and Gamble.
2. Dept. of Engineering Science and Mechanics, Designed Interphase Group, Virginia Tech, Blacksburg, VA 24061; presently, Dow Chemical Company, 2301 N. Brazosport Blvd., Freeport, TX 77541 (corresponding author).
3. Dept. of Chemical Engineering, Designed Interphase Group, Virginia Tech, Blacksburg, VA 24061.
4. Dept. of Engineering Science and Mechanics, Designed Interphase Group, Virginia Tech, Blacksburg, VA 24061.
5. Dept. of Chemistry, Designed Interphase Group, Virginia Tech, Blacksburg, VA 24061.