1. Molecular Engineering and Sciences Institute, University of Washington, Box 351653, Seattle, Washington 98195-1653, United States
2. GEMSEC, Genetically Engineered Materials Science and Engineering Center, University of Washington, Seattle, Washington 98195, United States
3. Department of Material Science and Engineering, University of Washington, Roberts Hall, Box 352120, Seattle, Washington 98195-2120, United States
4. Department of Chemical Engineering, University of Washington, Benson Hall, Box
351750, Seattle, Washington 98195-1750, United States