1. Department of Electrical and Computer Engineering; University of Illinois at Urbana-Champaign; Urbana IL 61801 USA
2. Department of Bioengineering; University of Illinois at Urbana-Champaign; Urbana IL 61801 USA
3. Department of Materials Science and Engineering; University of Illinois at Urbana-Champaign; Urbana IL 61801 USA
4. School of Molecular and Cellular Biology; University of Illinois at Urbana-Champaign; Urbana IL 61801 USA
5. Department of Chemical and Biomolecular Engineering; University of Illinois at Urbana-Champaign; Urbana IL 61801 USA
6. Institute for Genomic Biology; University of Illinois at Urbana-Champaign; Urbana IL 61801 USA