Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 108, Issue 20, Pages 8157-8161Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1016530108
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Funding
- Spanish Ministerio de Ciencia e Innovacion
- Spanish Ministerio de Ciencia e Innovacion [MAT2010-15374, MAT2008-05755]
- Xunta de Galicia [PGIDIT09TMT011314PR, 08TMT008314PR]
- National Science Foundation (NSF) [R8112-G1, ECS-0601345, 0932823]
- National Institutes of Health [1R21CA121841, 5R01EB007350]
- Defense Advanced Research Planning Agency [W31P4Q-08-C-0426]
- Robert A. Welch Foundation [C-1703]
- NSF [DMR-0547399]
- Alliance for Nanohealth [W8XWH-07-2-0101]
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Highly organized supercrystals of Au nanorods with plasmonic antennae enhancement of electrical field have made possible fast direct detection of prions in complex biological media such as serum and blood. The nearly perfect three-dimensional organization of nanorods render these systems excellent surface enhanced Raman scattering spectroscopy substrates with uniform electric field enhancement, leading to reproducibly high enhancement factor in the desirable spectral range.
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