Frederick Twigg, Chemical and Biomolecular Engineering, UC Berkeley, Berkeley, CA, Shannon Ciston, Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, Esayas Kelkile, Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, CA and Wenjun Zhang, Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, CA