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Proceedings Paper

Gold nanopyramidal plasmonic crystals for label-free biosensing
Author(s): Pei-Yu Chung; Tzung-Hua Lin; Gregory Schultz; Peng Jiang; Christopher Batich
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Paper Abstract

We developed a wafer-scale 3D plasmonic crystal consisting of gold nanopyramid arrays using a colloidal templating technique. These surface plasmons in the arrays allow us to obtain real-time, label-free and high sensitivity biomolecular binding measurements. In our research, we found the sensing capabilities improved while the detection limit of the alcohol dehydrogenase sensing was down to pM. The features of low cost fabrication and real-time, label-free, specific and quantitative measurement capabilities suggest promise for the gold nanopyramid arrays in both biological and chemically based analytical detection systems.

Paper Details

Date Published: 24 August 2010
PDF: 7 pages
Proc. SPIE 7759, Biosensing III, 775908 (24 August 2010); doi: 10.1117/12.861087
Show Author Affiliations
Pei-Yu Chung, Univ. of Florida (United States)
Tzung-Hua Lin, Univ. of Florida (United States)
Gregory Schultz, Univ. of Florida (United States)
Peng Jiang, Univ. of Florida (United States)
Christopher Batich, Univ. of Florida (United States)

Published in SPIE Proceedings Vol. 7759:
Biosensing III
Hooman Mohseni; Manijeh Razeghi, Editor(s)

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