Advancing SERS as a quantitative technique : challenges, considerations, and correlative approaches to aid validation
Sloan-Dennison, Sian and Wallace, Gregory Q. and Hassanain, Waleed A. and Laing, Stacey and Faulds, Karen and Graham, Duncan (2024) Advancing SERS as a quantitative technique : challenges, considerations, and correlative approaches to aid validation. Nano Convergence, 11. 33. ISSN 2196-5404 (https://doi.org/10.1186/s40580-024-00443-4)
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Abstract
Surface-enhanced Raman scattering (SERS) remains a significant area of research since it’s discovery 50 years ago. The surface-based technique has been used in a wide variety of fields, most prominently in chemical detection, cellular imaging and medical diagnostics, offering high sensitivity and specificity when probing and quantifying a chosen analyte or monitoring nanoparticle uptake and accumulation. However, despite its promise, SERS is mostly confined to academic laboratories and is not recognised as a gold standard analytical technique. This is due to the variations that are observed in SERS measurements, mainly caused by poorly characterised SERS substrates, lack of universal calibration methods and uncorrelated results. To convince the wider scientific community that SERS should be a routinely used analytical technique, the field is now focusing on methods that will increase the reproducibility of the SERS signals and how to validate the results with more well-established techniques. This review explores the difficulties experienced by SERS users, the methods adopted to reduce variation and suggestions of best practices and strategies that should be adopted if one is to achieve absolute quantification.
ORCID iDs
Sloan-Dennison, Sian ORCID: https://orcid.org/0000-0003-2473-1425, Wallace, Gregory Q. ORCID: https://orcid.org/0000-0003-0702-3734, Hassanain, Waleed A. ORCID: https://orcid.org/0000-0002-1533-4818, Laing, Stacey ORCID: https://orcid.org/0000-0001-5781-349X, Faulds, Karen ORCID: https://orcid.org/0000-0002-5567-7399 and Graham, Duncan ORCID: https://orcid.org/0000-0002-6079-2105;-
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Item type: Article ID code: 90179 Dates: DateEvent17 August 2024Published6 August 2024AcceptedSubjects: Science > Chemistry Department: Faculty of Science > Pure and Applied Chemistry
Strategic Research Themes > Health and Wellbeing
Technology and Innovation Centre > BionanotechnologyDepositing user: Pure Administrator Date deposited: 07 Aug 2024 14:58 Last modified: 01 Oct 2024 00:45 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/90179