Using U-Shaped Localized Surface Plasmon Resonance Sensors to Compensate for Nonspecific Interactions

被引：16
|
作者：
Nehru, Neha [1 ,2 ]
Yu, Linliang [3 ]
Wei, Yinan [3 ]
Hastings, J. Todd [1 ,2 ]
机构：
[1] Univ Kentucky, Ctr Nanoscale Sci & Engn, Lexington, KY 40506 USA
[2] Univ Kentucky, Dept Elect & Comp Engn, Lexington, KY 40506 USA
[3] Univ Kentucky, Dept Chem, Lexington, KY 40506 USA
来源：
IEEE TRANSACTIONS ON NANOTECHNOLOGY | 2014年 / 13卷 / 01期
基金：
美国国家科学基金会;
关键词：
Biochemical sensing; localized surface plasmons; nanophotonics optical sensors; plasmonics; SPLIT-RING-RESONATORS; GOLD NANOPARTICLES; DIELECTRIC ENVIRONMENT; SILVER NANOPARTICLES; OPTICAL SENSORS; LABEL-FREE; SENSITIVITY; METAMATERIALS; SIZE; SPECTROSCOPY;
D O I：
10.1109/TNANO.2013.2287700
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report a simple label-free localized surface plasmon resonance sensor that uses the multiple resonances of a U-shaped gold nanostructure to differentiate the target interaction of interest from background refractive index interference and nonspecific binding of interfering molecules. U-shaped nanostructures were fabricated using electron-beam lithography and their sensing capabilities were tested by introducing different solutions to simulate various specific and nonspecific effects. The three resonances of the nanostructure yield distinct bulk as well as specific and nonspecific surface sensitivities that allow for the differentiation of the three effects
引用
收藏
页码：55 / 61
页数：7
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