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Cited by 365

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

Lee, Chang H., Tian, Limei, Singamaneni, Srikanth·2010·ACS Applied Materials & Interfaces

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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Metadata

Authors
Lee, C. H., Tian, L., & Singamaneni, S.
Venue
ACS Applied Materials & Interfaces
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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