Wavelength modulated surface enhanced (resonance) Raman Scattering for background-free detection
Wavelength modulated surface enhanced (resonance) Raman Scattering for background-free detection
Spectra in surface-enhanced Raman scattering (SERS) are always accompanied by a continuum emission called the ‘background’ which complicates analysis and is especially problematic for quantification and automation. Here, we implement a wavelength modulation technique to eliminate the background in SERS and its resonant version, surface-enhanced Resonance Raman scattering (SERRS). This is demonstrated on various nanostructured substrates used for SER(R)S. An enhancement in the signal to noise ratio for the Raman bands of the probe molecules is also observed. This technique helps to improve the analytical ability of SERS by alleviating the problem due to the accompanying background and thus making observations substrate independent
2816-2820
Praveen, Bavishna B.
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Steuwe, Christian
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Mazilu, Michael
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Dholakia, Kishan
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Mahajan, Sumeet
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March 2013
Praveen, Bavishna B.
b4b345c9-c12c-4e68-91d9-82b5944d7178
Steuwe, Christian
a7800895-80a0-4ad0-9583-4322b4964158
Mazilu, Michael
abc73a0d-8200-46f6-a2b9-47d82541c479
Dholakia, Kishan
c649b0a9-ab68-4571-b8c7-e84553d14174
Mahajan, Sumeet
b131f40a-479e-4432-b662-19d60d4069e9
Praveen, Bavishna B., Steuwe, Christian, Mazilu, Michael, Dholakia, Kishan and Mahajan, Sumeet
(2013)
Wavelength modulated surface enhanced (resonance) Raman Scattering for background-free detection.
Analyst, 138, .
(doi:10.1039/C3AN00043E).
Abstract
Spectra in surface-enhanced Raman scattering (SERS) are always accompanied by a continuum emission called the ‘background’ which complicates analysis and is especially problematic for quantification and automation. Here, we implement a wavelength modulation technique to eliminate the background in SERS and its resonant version, surface-enhanced Resonance Raman scattering (SERRS). This is demonstrated on various nanostructured substrates used for SER(R)S. An enhancement in the signal to noise ratio for the Raman bands of the probe molecules is also observed. This technique helps to improve the analytical ability of SERS by alleviating the problem due to the accompanying background and thus making observations substrate independent
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Published date: March 2013
Organisations:
Institute for Life Sciences, Molecular Diagnostics & Thereputics
Identifiers
Local EPrints ID: 350070
URI: http://eprints.soton.ac.uk/id/eprint/350070
ISSN: 0003-2654
PURE UUID: d5059615-8c7e-4239-90cd-a96f49112132
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Date deposited: 18 Mar 2013 14:52
Last modified: 15 Mar 2024 03:28
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Contributors
Author:
Bavishna B. Praveen
Author:
Christian Steuwe
Author:
Michael Mazilu
Author:
Kishan Dholakia
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