1. Department of Materials Science & Engineering and Department of Microbiology, Cornell University, Ithaca, New York 14853, School of Biosciences, The University of Birmingham, Birmingham B15 2TT, United Kingdom, Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, New York 13699, Department of Materials, University of California, Santa Barbara, California 93106, KRATON Polymers, Houston, TX 77082, and National Institute of Standards and Technology, Gaithersburg, Maryland 20899