Aluminum Nanocrystals: A Sustainable Substrate for Quantitative SERS-Based DNA Detection
Shu Tian
1
,
Oara Neumann
1
,
Michael J Mcclain
1
,
Xiao Yang
1
,
Linan Zhou
1
,
Chao Zhang
1
,
Peter Nordlander
1
,
Publication type: Journal Article
Publication date: 2017-07-06
scimago Q1
wos Q1
SJR: 2.967
CiteScore: 14.9
Impact factor: 9.1
ISSN: 15306984, 15306992
PubMed ID:
28664736
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
Since its discovery in the 1970s, surface-enhanced Raman scattering (SERS) has been primarily associated with substrates composed of nanostructured noble metals. Here we investigate chemically synthesized nanocrystal aggregates of aluminum, an inexpensive, highly abundant, and sustainable metal, as SERS substrates. Al nanocrystal aggregates are capable of substantial near-infrared SERS enhancements, similar to Au nanoparticles. The intrinsic nanoscale surface oxide of Al nanocrystals supports molecule-substrate interactions that differ dramatically from noble metal substrates. The preferential affinity of the single-stranded DNA (ssDNA) phosphate backbone for the Al oxide surface preserves both the spectral features and nucleic acid cross sections relative to conventional Raman spectroscopy, enabling quantitative ssDNA detection and analysis.
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202
Total citations:
202
Citations from 2024:
40
(19%)
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GOST
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Tian S. et al. Aluminum Nanocrystals: A Sustainable Substrate for Quantitative SERS-Based DNA Detection // Nano Letters. 2017. Vol. 17. No. 8. pp. 5071-5077.
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Tian S., Neumann O., Mcclain M. J., Yang X., Zhou L., Zhang C., Nordlander P., Halas N. Aluminum Nanocrystals: A Sustainable Substrate for Quantitative SERS-Based DNA Detection // Nano Letters. 2017. Vol. 17. No. 8. pp. 5071-5077.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/acs.nanolett.7b02338
UR - https://doi.org/10.1021/acs.nanolett.7b02338
TI - Aluminum Nanocrystals: A Sustainable Substrate for Quantitative SERS-Based DNA Detection
T2 - Nano Letters
AU - Tian, Shu
AU - Neumann, Oara
AU - Mcclain, Michael J
AU - Yang, Xiao
AU - Zhou, Linan
AU - Zhang, Chao
AU - Nordlander, Peter
AU - Halas, Naomi
PY - 2017
DA - 2017/07/06
PB - American Chemical Society (ACS)
SP - 5071-5077
IS - 8
VL - 17
PMID - 28664736
SN - 1530-6984
SN - 1530-6992
ER -
Cite this
BibTex (up to 50 authors)
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@article{2017_Tian,
author = {Shu Tian and Oara Neumann and Michael J Mcclain and Xiao Yang and Linan Zhou and Chao Zhang and Peter Nordlander and Naomi Halas},
title = {Aluminum Nanocrystals: A Sustainable Substrate for Quantitative SERS-Based DNA Detection},
journal = {Nano Letters},
year = {2017},
volume = {17},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021/acs.nanolett.7b02338},
number = {8},
pages = {5071--5077},
doi = {10.1021/acs.nanolett.7b02338}
}
Cite this
MLA
Copy
Tian, Shu, et al. “Aluminum Nanocrystals: A Sustainable Substrate for Quantitative SERS-Based DNA Detection.” Nano Letters, vol. 17, no. 8, Jul. 2017, pp. 5071-5077. https://doi.org/10.1021/acs.nanolett.7b02338.
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