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Title 

Characteristics of localized surface plasmon resonance of nanostructured Au patterns for biosensing

Authors 

J S YuM KimS KimD H HaBong Hyun ChungSang Jeon Chung

Publisher 

American Scientific Publishers

Issue Date 

2008

Citation 

Journal of Nanoscience and Nanotechnology, vol. 8, no. 9, pp. 4548-4552

Keywords 

BiosensorLocalized surface plasmon resonanceNanofabricationPlasmonsResonanceAu nanoparticlesBiosensingNanopatterns

Abstract 

Periodic arrays of pseudotetrahedal-shaped gold nanoparticles were fabricated using nanosphere lithography (NSL) and examined for localized surface plasmon resonance (LSPR). The dependence of the LSPR on particle size of the periodic gold nanostructures was explored for potential application as a new biosensor. With increasing size and height of the Au nanoparticles, the absorption peak of the LSPR shifts to the longer wavelength and becomes relatively sharper. With thinner metal deposition or finer Au nanostructure, the absorption signal varies more sensitively for the changes in the Au particle size. The binding affinity study for biotin-streptavidine system on the Au nanopatterns resulted in blue-shifted absorption signal, opening up the possibility of the nanostructured Au pattern as a new LSPR biosensor.

ISSN 

1533-4880

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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