Author Affiliations

L. R. Hirsch,^#,*,**,† J. L West,^#,*,**,† J. B. Jackson,^* C. E. Moran,^** and N. J. Halas^†

^#Department of Bioengineering, Rice University, P.O. Box 1892, MS-142, Houston, TX 77251

^*Department of Physics, Rice University, P.O. Bax 1892, MS-61, Houston, TX 77251

^**Department of Chemistry, Rice University, P.O. Box 1892, MS-100, Houston, TX 77251

^†Department of Electrical and Computer Engineering, Rice University, P.O. Box 1892, MS-366, Houston, TX 77251