1. a Department of Bioengineering, Rice University, P.O. Box 1892, MS-142, Houston, TX 77251-1892, USA; Department of Chemistry, Rice University, P.O. Box 1892, MS-60, Houston, TX 77251-1892, USA; The Richard E. Smalley Institute for Nanoscale Science and Technology, Rice University, P.O. Box 1892, MS-100, Houston, TX 77251-1892, USA
2. b Department of Bioengineering, Rice University, P.O. Box 1892, MS-142, Houston, TX 77251-1892, USA; The Richard E. Smalley Institute for Nanoscale Science and Technology, Rice University, P.O. Box 1892, MS-100, Houston, TX 77251-1892, USA
3. c Department of Chemistry, Rice University, P.O. Box 1892, MS-60, Houston, TX 77251-1892, USA
4. d Department of Bioengineering, Rice University, P.O. Box 1892, MS-142, Houston, TX 77251-1892, USA
5. e The Texas Center for Superconductivity, University of Houston, TX 77204-5002, USA
6. f Department of Chemistry, Rice University, P.O. Box 1892, MS-60, Houston, TX 77251-1892, USA; The Richard E. Smalley Institute for Nanoscale Science and Technology, Rice University, P.O. Box 1892, MS-100, Houston, TX 77251-1892, USA
7. g Department of Bioengineering, Rice University, P.O. Box 1892, MS-142, Houston, TX 77251-1892, USA; The Richard E. Smalley Institute for Nanoscale Science and Technology, Rice University, P.O. Box 1892, MS-100, Houston, TX 77251-1892, USA