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Monitoring of optimized SERS active gel substrates for painting and paper substrates by unilateral NMR profilometry
Author(s) -
Doherty Brenda,
Presciutti Federica,
Sgamellotti Antonio,
Brunetti Brunetto G.,
Miliani Costanza
Publication year - 2014
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.4542
Subject(s) - raman spectroscopy , gelatin , penetration (warfare) , materials science , substrate (aquarium) , nanotechnology , surface enhanced raman spectroscopy , penetration depth , chemistry , raman scattering , optics , organic chemistry , physics , oceanography , operations research , geology , engineering
In order to realize a surface enhanced Raman spectroscopy (SERS) gel protocol with portable Raman instrumentation, this contribution oversees the optimization of a removable SERS active methylcellulose gel and the applicability of an innovative gelatin substrate. Analytical evaluations by non‐invasive portable nuclear magnetic resonance (NMR) profilometry with regards to methylcellulose and gelatin film penetration and removal from an unvarnished painted surface and commercial dyed paper substrates have been carried out, respectively, following successful SERS measurements. Both gels have been specifically prepared in accordance to the substrate under exam so as to simultaneously permit sufficient surface interaction for Raman enhancements to be recorded with limited penetration into or subsequent damage on removal of the matrix under study. This work continues to bridge the gap towards non‐invasive SERS measurements and in‐situ SERS measurements. Copyright © 2014 John Wiley & Sons, Ltd.