DNA-Mediated Size-Selective Nanoparticle Assembly
for Multiplexed Surface Encoding
Posted on 2018-03-23 - 18:37
Multiplexed
surface encoding is achieved by positioning two different
sizes of gold nanocubes on gold surfaces with precisely defined locations
for each particle via template-confined, DNA-mediated nanoparticle
assembly. As a proof-of-concept demonstration, cubes with 86 and 63
nm edge lengths are assembled into arrangements that physically and
spectrally encrypt two sets of patterns in the same location. These
patterns can be decrypted by mapping the absorption intensity of the
substrate at λ = 773 and 687 nm, respectively. This multiplexed
encoding platform dramatically increases the sophistication and density
of codes that can be written using colloidal nanoparticles, which
may enable high-security, high-resolution encoding applications.
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Lin, Qing-Yuan; Palacios, Edgar; Zhou, Wenjie; Li, Zhongyang; Mason, Jarad A.; Liu, Zizhuo; et al. (2018). DNA-Mediated Size-Selective Nanoparticle Assembly
for Multiplexed Surface Encoding. ACS Publications. Collection. https://doi.org/10.1021/acs.nanolett.8b00509
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AUTHORS (11)
QL
Qing-Yuan Lin
EP
Edgar Palacios
WZ
Wenjie Zhou
ZL
Zhongyang Li
JM
Jarad A. Mason
ZL
Zizhuo Liu
HL
Haixin Lin
PC
Peng-Cheng Chen
VD
Vinayak P. Dravid
KA
Koray Aydin
CM
Chad A. Mirkin
KEYWORDS
gold surfacesencoding applicationsDNA-mediated nanoparticle assemblylocation687 nm63 nm edge lengthsDNA-Mediated Size-Selective Nanoparticle Assemblyproof-of-concept demonstrationgold nanocubesmultiplexed encoding platformMultiplexed Surface Encoding Multiplexed surface encodingpatternabsorption intensity