1. Institute for Collaborative Biotechnologies, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
2. Department of Mechanical Engineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
3. Department of Psychological & Brain Sciences, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
4. Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD 21250, USA.
5. Department of Chemistry, Metropolitan State University of Denver, Denver, CO 80217, USA.
6. Materials Department, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
7. Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.
8. Center for Bioengineering, University of California, Santa Barbara, Santa Barbara, CA 93106, USA.