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3D-Printed Peptide-Hydrogel Nanoparticle Composites for Surface-Enhanced Raman Spectroscopy Sensing
Date Issued
2019-07-26
Date Available
2019-08-12T07:12:01Z
Abstract
Precise control over the arrangement of plasmonic nanomaterials is critical for label-free single-molecule surface-enhanced Raman spectroscopy (SERS)-based sensing applications. SERS templates should provide high sensitivity and reproducibility and be cost-effective and easy to prepare. Additive manufacturing by extrusion-based three-dimensional (3D) printing is an emerging technique for the spatial arrangement of nanomaterials and is a method that may satisfy these SERS template requirements. In this work, we use 3D printing to produce sensitive and reproducible SERS templates using a fluorenylmethyloxycarbonyl diphenylalanine (Fmoc-FF) hydrogel loaded with silver or gold nanoparticles. The Fmoc-FF template allows the detection of low Raman cross-section molecules such as adenine at concentrations as low as 100 pM.
Sponsorship
Enterprise Ireland
European Commission Horizon 2020
Science Foundation Ireland
Other Sponsorship
The Ministry of Higher Education of Saudi Arabia under the King Abdullah Scholarship Program
Type of Material
Journal Article
Publisher
American Chemical Society (ACS)
Journal
ACS Applied Nano Materials
Issue
2
Start Page
5029
End Page
5034
Copyright (Published Version)
2019 American Chemical Society
Language
English
Status of Item
Peer reviewed
ISSN
2574-0970
This item is made available under a Creative Commons License
File(s)
No Thumbnail Available
Name
Almohammed et al ACS ANM 2019 Repository Version.pdf
Size
2.88 MB
Format
Adobe PDF
Checksum (MD5)
c1c8380b9ae578c8a78fde80b1bdb560
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