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. 2019 Sep 14;19(18):3977. doi: 10.3390/s19183977

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Electrospun NP interfaces for surface-enhanced Raman scattering (SERS) sensing: (a) TEM image of AuNRs assembled within the PVA nanofibers; (b) relative standard deviation (RSD)-SERS graph (1) SERS spectra of 10^–4 M 3,3′-diethylthiatricarbocyanine iodide (DTTCI) collected from 12 randomly selected places on the optimized substrate and (2) the corresponding RSD value curve [123], copyright 2012 Wiley-VCH; (c) SERS spectra taken from bacteria/Ag@TiO₂ nanofelts sensing platform with various Tollen’s reagent deposition time (0, 10, and 20 min) and TiO₂ nanofibers without AgNPs decorated; (d) overlapping SERS spectra of bacteria/Ag@TiO₂-10 nanofibers mats recorded at 16 randomly selected spots for E.coli [124], copyright 2018 Elsevier Ltd.