Metal nanoparticles for biodetection

Steven Oldenburg; Jack Mock; James R. Glass; Ana B. Asenjo; Christine C. Genick; David R. Smith; David A. Schultz; Sheldon Schultz

doi:10.1117/12.450805

4 October 2002 Metal nanoparticles for biodetection

Steven Oldenburg, Jack Mock, James R. Glass, Ana B. Asenjo, Christine C. Genick, David R. Smith, David A. Schultz, Sheldon Schultz

Author Affiliations +

Proceedings Volume 4810, Properties of Metal Nanostructures; (2002) https://doi.org/10.1117/12.450805
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The large scattering cross section of plasmon resonant gold and silver nanoparticles functionalized with the appropriate ligand allows for sensitive and specific detection of nucleic acids and proteins. By varying the size, shape, and material morphology populations with a specific peak plasmon resonance can be prepared. By varying the order and length of plasmon resonant bar segment in a composite nanowire one can obtain a large number of particle populations. Distinct populations can be used for labels for multiplexing or as a platform for biological assays. An larger number of color populations can be obtained with composite nanowires that are fabricated with various lengths of silver, gold, or nickel segments. The order and length of the different plasmon resonance rod segments can be used to uniquely identify a rod population allowing for a large degree of multiplexing within a single sample.

Citation Download Citation

Steven Oldenburg, Jack Mock, James R. Glass, Ana B. Asenjo, Christine C. Genick, David R. Smith, David A. Schultz, and Sheldon Schultz "Metal nanoparticles for biodetection", Proc. SPIE 4810, Properties of Metal Nanostructures, (4 October 2002); https://doi.org/10.1117/12.450805

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