Issue 20, 2018

A bumpy gold nanostructure exhibiting DNA-engineered stimuli-responsive SERS signals

Abstract

We present a SERS-active gold nanostructure with built-in electromagnetic hotspots formed by densely packed gold nanoparticles on a gold nanorod. Cy3 labeled stimuli-responsive DNA motifs were introduced to the SERS-active nanostructure. The SERS signals can be switched ON and OFF reversibly in response to external stimuli (pH, metal ions or organic molecules).

Graphical abstract: A bumpy gold nanostructure exhibiting DNA-engineered stimuli-responsive SERS signals

Supplementary files

Article information

Article type
Communication
Submitted
03 2 2018
Accepted
25 4 2018
First published
02 5 2018

Nanoscale, 2018,10, 9455-9459

A bumpy gold nanostructure exhibiting DNA-engineered stimuli-responsive SERS signals

Y. Shang, J. Shi, H. Liu, X. Liu, Z. Wang and B. Ding, Nanoscale, 2018, 10, 9455 DOI: 10.1039/C8NR00986D

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