The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Paper-Based SERS Swab for Rapid Trace Detection on Real-World Surfaces
Abstract
One of the important but often overlooked considerations in the design of surface-enhanced Raman scattering (SERS) substrates for trace detection is the efficiency of sample collection. Conventional designs based on rigid substrates such as silicon, alumina, and glass resist conformal contact with the surface under investigation, making the sample collection inefficient. We demonstrate a novel SERS substrate based on common filter paper adsorbed with gold nanorods, which allows conformal contact with real-world surfaces, thus dramatically enhancing the sample collection efficiency compared to conventional rigid substrates. We demonstrate the detection of trace amounts of analyte (140 pg spread over 4 cm2) by simply swabbing the surface under investigation with the novel SERS substrate. The hierarchical fibrous structure of paper serves as a 3D vasculature for easy uptake and transport of the analytes to the electromagnetic hot spots in the paper. Simple yet highly efficient and cost-effective SERS substrate demonstrated here brings SERS-based trace detection closer to real-world applications.
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Surface Plasmon Resonance Sensors for Detection of Chemical and Biological Species
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Patterned Paper as a Platform for Inexpensive, Low‐Volume, Portable Bioassays
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Nanostructured Plasmonic Sensors
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Cited by
Fan, M., Andrade, G. F. S., & Brolo, A. G. (2020) · Analytica Chimica Acta · doi:10.1016/j.aca.2019.11.049 · Cited by 533
Wearable plasmonic paper–based microfluidics for continuous sweat analysis
Mogera, U., Guo, H., Namkoong, M., Rahman, M. S., Nguyen, T., & Tian, L. (2022) · Science Advances · doi:10.1126/sciadv.abn1736 · Cited by 280
Self-citation
Metadata
- Authors
- Lee, C. H., Tian, L., & Singamaneni, S.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-12-03
- Volume
- 2
- Issue
- 12
- Pages
- 3429-3435
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2325794174
- Cited by
- 365
- References
- 32
- FWCI
- 5.63
- Type
- journal article
- Language
- en
- Open access
- closed
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