Sensors 2010, 10(7), 6477-6487; doi:10.3390/s100706477
Article

Fabrication of Localized Surface Plasmon Resonance Fiber Probes Using Ionic Self-Assembled Gold Nanoparticles

1,2email, 1email, 3email, 1email, 1,* email and 1,* email
Received: 11 May 2010; in revised form: 8 June 2010 / Accepted: 21 June 2010 / Published: 1 July 2010
(This article belongs to the Section Biosensors)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: An nm-thickness composite gold thin film consisting of gold nanoparticles and polyelectrolytes is fabricated through ionic self-assembled multilayers (ISAM) technique and is deposited on end-faces of optical fibers to construct localized surface plasmon resonance (LSPR) fiber probes. We demonstrate that the LSPR spectrum induced by ISAM gold films can be fine-tuned through the ISAM procedure. We investigate variations of reflection spectra of the probe with respect to the layer-by-layer adsorption of ISAMs onto end-faces of fibers, and study the spectral variation mechanism. Finally, we demonstrated using this fiber probe to detect the biotin-streptavidin bioconjugate pair. ISAM adsorbed on optical fibers potentially provides a simple, fast, robust, and low-cost, platform for LSPR biosensing applications.
Keywords: localized surface plasmon resonance; ionic self-assembled multilayers; fiber optics; biosensors
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MDPI and ACS Style

Wan, M.; Luo, P.; Jin, J.; Xing, J.; Wang, Z.; Wong, S.T.C. Fabrication of Localized Surface Plasmon Resonance Fiber Probes Using Ionic Self-Assembled Gold Nanoparticles. Sensors 2010, 10, 6477-6487.

AMA Style

Wan M, Luo P, Jin J, Xing J, Wang Z, Wong STC. Fabrication of Localized Surface Plasmon Resonance Fiber Probes Using Ionic Self-Assembled Gold Nanoparticles. Sensors. 2010; 10(7):6477-6487.

Chicago/Turabian Style

Wan, Miao; Luo, Pengfei; Jin, Jiayi; Xing, Jiong; Wang, Zhiyong; Wong, Stephen T. C. 2010. "Fabrication of Localized Surface Plasmon Resonance Fiber Probes Using Ionic Self-Assembled Gold Nanoparticles." Sensors 10, no. 7: 6477-6487.

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