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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 7 — Mar. 26, 2012
  • pp: 6905–6914

Differentiating surface and bulk interactions using localized surface plasmon resonances of gold nanorods

Neha Nehru, Eugenii U. Donev, Gazi M. Huda, Linliang Yu, Yinan Wei, and J. Todd Hastings  »View Author Affiliations

Optics Express, Vol. 20, Issue 7, pp. 6905-6914 (2012)

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We demonstrate a novel localized surface-plasmon resonance sensor that can distinguish surface binding interactions from interfering bulk effects. This is accomplished by utilizing the longitudinal and transverse plasmon modes of gold nanorods. We have investigated, both numerically and experimentally, the effect of change in background refractive index and surface binding on the two resonances of a gold nanorod on an indium tin oxide coated glass substrate.

© 2012 OSA

OCIS Codes
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(250.5403) Optoelectronics : Plasmonics

ToC Category:

Original Manuscript: December 15, 2011
Revised Manuscript: March 7, 2012
Manuscript Accepted: March 10, 2012
Published: March 12, 2012

Virtual Issues
Vol. 7, Iss. 5 Virtual Journal for Biomedical Optics

Neha Nehru, Eugenii U. Donev, Gazi M. Huda, Linliang Yu, Yinan Wei, and J. Todd Hastings, "Differentiating surface and bulk interactions using localized surface plasmon resonances of gold nanorods," Opt. Express 20, 6905-6914 (2012)

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