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Open AccessReview

DNA-Assisted Assembly of Gold Nanostructures and Their Induced Optical Properties

1
Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Guangdong Engineering Technology Research Center for High-Performance Organic and Polymer Photoelectric Functional Films, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
2
National Engineering Research Center for Healthcare Devices, Guangdong Key Lab of Medical Electronic Instruments and Polymer Material Products, Guangdong Institute of Medical Instruments, Guangzhou 510500, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2018, 8(12), 994; https://doi.org/10.3390/nano8120994
Received: 2 November 2018 / Revised: 22 November 2018 / Accepted: 22 November 2018 / Published: 1 December 2018
(This article belongs to the Special Issue Synthesis and Applications of Functionalized Gold Nanosystems)
Gold nanocrystals have attracted considerable attention due to their excellent physical and chemical properties and their extensive applications in plasmonics, spectroscopy, biological detection, and nanoelectronics. Gold nanoparticles are able to be readily modified and arranged with DNA materials and protein molecules, as well as viruses. Particularly DNA materials with the advantages endowed by programmability, stability, specificity, and the capability to adapt to functionalization, have become the most promising candidates that are widely utilized for building plenty of discrete gold nanoarchitectures. This review highlights recent advances on the DNA-based assembly of gold nanostructures and especially emphasizes their resulted superior optical properties and principles, including plasmonic extinction, plasmonic chirality, surface enhanced fluorescence (SEF), and surface-enhanced Raman scattering (SERS). View Full-Text
Keywords: gold nanocrystals; programmability; plasmonic chirality; SEF; SERS gold nanocrystals; programmability; plasmonic chirality; SEF; SERS
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MDPI and ACS Style

Ou, J.; Tan, H.; Chen, X.; Chen, Z. DNA-Assisted Assembly of Gold Nanostructures and Their Induced Optical Properties. Nanomaterials 2018, 8, 994.

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