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| 基于局域表面等离子体共振效应的光学生物传感器 | |
| 引用本文： | 肖桂娜,蔡继业. 基于局域表面等离子体共振效应的光学生物传感器[J]. 化学进展, 2010, 22(1): 194-200 |
| 作者姓名： | 肖桂娜 蔡继业 |
| 作者单位： | 暨南大学纳米化学研究所,广州,510632;暨南大学纳米化学研究所,广州,510632 |
| 基金项目： | 国家自然科学基金;国家自然科学基金;国家自然科学基金 |
| 摘 要： | 贵金属纳米粒子表现出许多常规块体材料所不具备的优异性能,其中局域表面等离子体共振 (LSPR) 特性是研究热点之一。LSPR 的形状和位置与纳米粒子的组成、大小、形状、介电性质以及局域介质环境密切相关。基于这一特性,贵金属纳米粒子已广泛应用于光学生物传感器、光过滤器和表面增强光谱等领域。本文对各种结构的贵金属纳米粒子的制备方法及其在光学生物传感器中的应用进行了综述,并对 LSPR 纳米传感器的未来发展前景做了展望。 |
| 关 键 词： | 贵金属纳米粒子 局域表面等离子体共振 光学生物传感器 |
| 收稿时间： | 2009-01-13 |
| 修稿时间： | 2009-03-03 |
Optical Biosensors Based on Localized Surface Plasmon Resonance Effect |
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| Xiao Guina,Cai Jiye. Optical Biosensors Based on Localized Surface Plasmon Resonance Effect[J]. Progress in Chemistry, 2010, 22(1): 194-200 | |
| Authors: | Xiao Guina Cai Jiye |
| Affiliation: | (Institute of Nano-Chemistry, Jinan University, Guangzhou 510632, China) |
| Abstract: | Noble metal nanoparticles exhibit excellent properties compared to the conventional bulk elements, and the localized surface plasmon resonance (LSPR) has become one of the research hot points. The shape and position of LSPR are mainly dependent on the composition, size, shape, dielectric properties, as well as the local dielectric environment of the metal nanoparticles. Based on this property, noble metal nanoparticles have been widely applied in optical biosensors, optical filters, and surface enhanced spectroscopies. In this paper, the preparation of various noble metal nanostructures and their applications in optical biosensors are reviewed. The future development prospects of LSPR nanosensors are also present.Contents 1 Introduction 2 Localized surface plasmon resonance of metal nanoparticles 3 The basic principles of LSPR nanosensors 4 The common LSPR sensors substrates 4.1 Metal colloides 4.2 Metal nanorods 4.3 Core/shell composite nanoparticles 4.4 Cap-shaped composite nanoparticles 4.5 Ordered metal nanostructure arrays 5 Prospects |
| Keywords: | noble metal nanoparticles localized surface plasmon resonance optical biosensors |
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