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题名:
Sensitivity Enhancement for Surface Plasmon Resonance Imaging Biosensor by Utilizing Gold-Silver Bimetallic Film Configuration
作者: Xia, Liangping; Yin, Shaoyun; Gao, Hongtao; Deng, Qiling; Du, Chunlei
刊名: PLASMONICS
出版日期: 2011-06-01
卷号: 6, 期号:2, 页码:245-250
关键词: Biosensor ; SPRI ; Bimetal film ; Sensitivity
文章类型: Article
英文摘要: Gold-silver bimetallic film configuration is brought forward to realize surface plasmon resonance imaging (SPRI) biosensor with the virtues of both high sensitivity and chemical stability. The theoretical calculation is adopted to optimize the thicknesses of the metal films, and bimetallic film configuration with high refractive index sensitivity and a good linearity between reflectivity and refractive index is presented. Then, the property of the detection system is discussed. The results show that in comparison to most commercial SPRI biosensors which use single gold films, the sensitivity and molecule detection ability of the gold-silver bimetallic film configuration can be improved to a great extent. For the substrate of BAK3 glass used in this paper, the sensitivity enhancement reaches as high as 80%, which makes it a much better choice for SPRI biosensing applications.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]: KINETIC-ANALYSIS ; SENSORS ; DESIGN
收录类别: SCI
语种: 英语
WOS记录号: WOS:000290578600009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3474
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Xia, Liangping,Yin, Shaoyun,Gao, Hongtao,et al. Sensitivity Enhancement for Surface Plasmon Resonance Imaging Biosensor by Utilizing Gold-Silver Bimetallic Film Configuration[J]. PLASMONICS,2011,6(2):245-250.
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