Interparticle Coupling-Enhanced Detection
作者： Yi-Tao Long , Chao Jing
DOI: 10.1007/978-3-642-54795-9_5
关键词: Scattering 、 Materials science 、 Spectral line 、 Förster resonance energy transfer 、 Plasmonic nanoparticles 、 Surface plasmon resonance 、 Chemical physics 、 Coupling (electronics) 、 Nanoparticle 、 Biosensor
摘要: When the distances between two or more plasmonic nanoparticles are very small, plasmon resonance scattering spectra greatly enhanced and distinct colour changes occur due to coupling of particles. Similar fluorescence energy transfer, is also distance dependent. Thus, researchers have fabricated colorimetric sensors by modulating nanoparticles, which been used in a wide variety applications, including DNA hybridisation, heavy-metal-ion detection, protein binding. In this chapter, we primarily focus on single particles, enables single-molecule detection through sensitivity.
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