Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 37, Issue -, Pages 32-47Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2012.03.015
Keywords
Absorption; Aptamer assay; Gold nanoparticle (AuNP); Immune reaction; Immunoassay; Nanoanalysis; Nanocatalysis; Rayleigh scattering; Silver nanoparticle (AgNP); Surface-plasmon resonance (SPR)
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Funding
- National Natural Science Foundation of China [21075023, 21165005]
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Gold and silver nanoparticles (Au/AgNPs) are widely used in analytical chemistry, and their intense colors have inspired artists and fascinated scientists. This review describes the absorption and Rayleigh-scattering effects of the surface-plasmon resonance (SPR) of Au/AgNPs. Specifically, the color associated with Au/AgNPs is utilized for immunoassay and aptamer assays. SPR-Rayleigh scattering is used for nanoanalysis, when combined with immune, aptamer and nanocatalysis reactions. (C) 2012 Elsevier Ltd. All rights reserved.
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