Silver‐based surface enhanced Raman spectroscopy devices for detection of organophosphorus pesticides traces

The detection of traces of substances by surface‐sensitive techniques such as surface enhanced Raman spectroscopy (SERS) explores the interaction of adsorbed molecules on plasmonic surfaces to improve the limit of detection of analytes. This article is an overview about recent development in SERS su...

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Bibliographic Details
Published in:Biotechnology progress 2019-07, Vol.35 (4), p.e2809-n/a
Main Authors: Dias Soares, Juliana M., Oliveira, Helinando P.
Format: Article
Language:English
Subjects:
hot spots
Morphology
Nanoparticles
Optimization
Organic chemistry
Organophosphorus pesticides
Pesticides
Raman spectroscopy
SERS
Silver
silver nanoparticles
Spectroscopy
Spectrum analysis
Substrates
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Summary:The detection of traces of substances by surface‐sensitive techniques such as surface enhanced Raman spectroscopy (SERS) explores the interaction of adsorbed molecules on plasmonic surfaces to improve the limit of detection of analytes. This article is an overview about recent development in SERS substrates applied in the detection of organophosphorus pesticides on plasmonic surfaces (arrays of metal nanoparticles). The morphology, roughness, chemical functionalization degree, and aggregation level of plasmonic centers are some of the critical parameters to be controlled in the optimization of SERS signal from specific analytes.
ISSN:8756-7938
1520-6033
DOI:10.1002/btpr.2809