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Proceedings Paper

Development of gold nanorod-based localized surface plasmon resonance optical fiber biosensor
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Paper Abstract

A localized surface plasmon resonance (LSPR) based optical fiber biosensor using gold nanorods has been developed. The LSPR optical fiber sensor was fabricated by immobilizing gold nanorods at the distal end of a multimode fiber. The surface of gold nanorods was further functionalized with human IgG to create a biosensor to detect anti-human IgG. The peak shift of the longitudinal plasmon wavelength of gold nanorod was monitored as a function of the refractive index change. The results show that refractive index sensitivity of this sensor is 506 nm/RIU, and the limit of detection for antihuman IgG is 3 nM.

Paper Details

Date Published: 17 October 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84211X (17 October 2012); doi: 10.1117/12.975160
Show Author Affiliations
Jie Cao, City Univ. London (United Kingdom)
Harbin Institute of Technology (China)
Tong Sun, City Univ. London (United Kingdom)
Kenneth T. V. Grattan, City Univ. London (United Kingdom)

Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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