用于基于单颗粒传感与光谱分析的银和大金纳米颗粒的配体合成与钝化
Ligand synthesis and passivation for silver and large gold nanoparticles for single-particle-based sensing and spectroscopy.
作者信息
Montiel Daniel, Yates Emma V, Sun Li, Sampias Marissa M, Malona John, Sorensen Erik J, Yang Haw
机构信息
Princeton University, Princeton, NJ, USA.
出版信息
Methods Mol Biol. 2013;1025:237-50. doi: 10.1007/978-1-62703-462-3_18.
Abstract
Silver and large gold nanoparticles are more efficient scatterers than smaller particles, which can be advantageous for a variety of single-particle-based sensing and spectroscopic applications. The increased susceptibility to surface oxidation and the larger surface area of these particles, however, present challenges to colloid stability and controllable bio-conjugation strategies. In this chapter, ligand syntheses and particle passivation procedures for yielding stable and bio-conjugatable colloids of silver and large gold nanoparticles are described.
摘要
相较于较小的粒子，银纳米粒子和大尺寸金纳米粒子是更高效的散射体，这对于各种基于单粒子的传感和光谱应用可能是有利的。然而，这些粒子对表面氧化的敏感性增加以及更大的表面积，给胶体稳定性和可控的生物共轭策略带来了挑战。在本章中，将描述用于制备稳定且可生物共轭的银纳米粒子和大尺寸金纳米粒子胶体的配体合成及粒子钝化程序。
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