Issue 38, 2012
From the journal:

Journal of Materials Chemistry

Hierarchically branched silver nanostructures (HBAgNSs) as surface plasmon regulating platforms for multiplexed colorimetric DNA detection†

Sang Hun Han,a   La Seong Parka  and  Jae-Seung Lee*a  

* Corresponding authors

a Department of Materials Science and Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul, Republic of Korea
E-mail: jslee79@korea.ac.kr
Fax: +82-2-928-3584
Tel: +82-2-3290-3267

Abstract

We synthesized hierarchically branched silver nanostructures (HBAgNSs) with distinctive morphologies and optical properties using non-ionic triblock copolymers under a variety of conditions. The synthetic conditions in terms of the critical micelle concentration (CMC) and temperature (CMT) are judiciously controlled to determine how the polymers in the form of micelles or unimers play a significant role in the growth of the nanostructures. The surface of the silver nanostructures can be densely functionalized with DNA, which is further utilized for the multiplexed colorimetric detection of three DNA targets in conjunction with plasmonic nanoparticle probes.

Graphical abstract: Hierarchically branched silver nanostructures (HBAgNSs) as surface plasmon regulating platforms for multiplexed colorimetric DNA detection

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Article information

DOI
https://doi.org/10.1039/C2JM33632D
Article type
Paper
Submitted
06 Jun 2012
Accepted
11 Jul 2012
First published
13 Jul 2012

J. Mater. Chem., 2012,22, 20223-20231

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Hierarchically branched silver nanostructures (HBAgNSs) as surface plasmon regulating platforms for multiplexed colorimetric DNA detection

S. H. Han, L. S. Park and J. Lee, J. Mater. Chem., 2012, 22, 20223 DOI: 10.1039/C2JM33632D

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