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Deep-UV Surface-Enhanced Resonance Raman Scattering of Adenine on Aluminum Nanoparticle Arrays
Abstract
We report the ultrasensitive detection of adenine using deep-UV surface-enhanced resonance Raman scattering on aluminum nanostructures. Well-defined Al nanoparticle arrays fabricated over large areas using extreme-UV interference lithography exhibited sharp and tunable plasmon resonances in the UV and deep-UV wavelength ranges. Theoretical modeling based on the finite-difference time-domain method was used to understand the near-field and far-field optical properties of the nanoparticle arrays. Raman measurements were performed on adenine molecules coated uniformly on the Al nanoparticle arrays at a laser excitation wavelength of 257.2 nm. With this technique, less than 10 amol of label-free adenine molecules could be detected reproducibly in real time. Zeptomole (~30,000 molecules) detection sensitivity was readily achieved proving that deep-UV surface-enhanced resonance Raman scattering is an extremely sensitive tool for the detection of biomolecules.
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Cites
DNA Excited-State Dynamics: From Single Bases to the Double Helix
Middleton, C. T., de La Harpe, K., Su, C., Law, Y. K., Crespo-Hernández, C. E., & Kohler, B. (2009) · Annual Review of Physical Chemistry · doi:10.1146/annurev.physchem.59.032607.093719 · Cited by 827
Deep-UV surface-enhanced Raman scattering
Dörfer, T., Schmitt, M., & Popp, J. (2007) · Journal of Raman Spectroscopy · doi:10.1002/jrs.1831 · Cited by 141
Cited by
Knight, M. W., King, N. S., Liu, L., Everitt, H. O., Nordlander, P., & Halas, N. J. (2014) · ACS Nano · doi:10.1021/nn405495q · Cited by 1,261
Plasmonic Films Can Easily Be Better: Rules and Recipes
McPeak, K. M., Jayanti, S. V., Kress, S. J. P., Meyer, S., Iotti, S., Rossinelli, A., & Norris, D. J. (2015) · ACS Photonics · doi:10.1021/ph5004237 · Cited by 1,047
Plasmonic films can easily be better: Rules and recipes
McPeak, K. M., Jayanti, S. V., Kress, S. J. P., Meyer, S., Iotti, S., Rossinelli, A. A., & Norris, D. J. (2015) · doi:10.3929/ethz-b-000100036 · Cited by 616
Plasmonics in the ultraviolet with the poor metals Al, Ga, In, Sn, Tl, Pb, and Bi
McMahon, J. M., Schatz, G. C., & Gray, S. K. (2013) · Phys. Chem. Chem. Phys. · doi:10.1039/c3cp43856b · Cited by 371
Infrared Plasmonic Biosensor for Real-Time and Label-Free Monitoring of Lipid Membranes
Limaj, O., Etezadi, D., Wittenberg, N. J., Rodrigo, D., Yoo, D., Oh, S.-H., & Altug, H. (2016) · Nano Letters · doi:10.1021/acs.nanolett.5b05316 · Cited by 196
Metadata
- Authors
- Jha, S. K., Ahmed, Z., Agio, M., Ekinci, Y., & Löffler, J. F.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-01-19
- Volume
- 134
- Issue
- 4
- Pages
- 1966-1969
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1985470401
- Cited by
- 258
- References
- 2
- FWCI
- 7.29
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jha, S. K., Ahmed, Z., Agio, M., Ekinci, Y., & Löffler, J. F. (2012). Deep-UV Surface-Enhanced Resonance Raman Scattering of Adenine on Aluminum Nanoparticle Arrays. Journal of the American Chemical Society. https://doi.org/10.1021/ja210446w
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