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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47414

Title: Investigation of Investigation of surface plasmon biosensing using gold nanoparticles enhanced ellipsometry
Authors: Pei-Kuen Wei
Rakesh Singh Moirangthem
Yia-Chung Chang
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2011-04
Issue Date: 2018-07-18T06:44:34Z
Publisher: OPTICS LETTERS
Abstract: Abstract: We present a label-free, nondestructive and high sensitivity biosensor by using the phase information of a gold nanoparticles enhanced ellipsometry signal. The refractive index (RI) resolution from ellipsometric phase information is of the order of 1.6×10(-6) RI units. Furthermore, spectroscopic and dynamic measurements show substantial change in the phase signal when biomolecules are coated on gold nanoparticles. The detection limit of our proposed technique is up to ∼18 pM concentration of the target biomolecules.
Relation: 36(5)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47414
Appears in Collections:[光電科學研究所] 期刊論文

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