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Applied Sciences
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Contribution of Raman Spectroscopy in Nanosciences and Nanotechnologies
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Contribution of Raman Spectroscopy in Nanosciences and Nanotechnologies

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Nanotechnology and Applied Nanosciences".

Deadline for manuscript submissions: closed (15 November 2019) | Viewed by 3461

Special Issue Editor

Prof. Dr. Saveria Santangelo

E-Mail Website
Guest Editor
Department of Civil, Energy, Environmental and Materials Engineering (DICEAM), Mediterranean University of Reggio Calabria, 89122 Reggio Calabria, Italy
Interests: Raman scattering analysis of solids; synthesis, analysis and optimisation of nanostructured materials; nanocarbons; nanocomposites; electro-spun nanomaterials for applications in energy storage and conversion, water treatment, sensing, catalysis and photo-catalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

Raman spectroscopy is a very powerful technique that has been widely utilized for a long time for the fast and non-destructive characterization of all the materials on the macro, micro- and nano-scale in a great variety of fields, traditionally spanning from nanoscience and nanotechnologies to art. Thanks to the latest advances that the technique has undergone, Raman spectroscopy has recently started being used in new fields, e.g. for deep non-invasive medical diagnosis on tissues, as well as for the quality and safety inspection of horticultural products and investigation of the failure mechanisms in electronic devices.

In the field of nanomaterials, it has allowed us to gain invaluable insight into their structural and bonding properties, the presence and spatial distribution of specific chemical species or defects, even with a spatial resolution and/or sensitivity otherwise unattainable by any other analytical method.

This Special Issue aims to depict the state of the art and to outline possible future scenarios in the field of the characterization of nanomaterials by Raman spectroscopy, providing important insights into novel experimental configurations that are opening the way to its extended use. Contributions from all researchers (material scientists, chemists, physicists, engineers, etc.) on the following topics are welcome.

Prof. Dr. Saveria Santangelo
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Surface-enhanced Raman spectroscopy 
  • Tip-enhanced Raman spectroscopy 
  • Resonant Raman spectroscopy 
  • Raman mapping 
  • Lattice defects 
  • Tensional states 
  • Crystalline phases 
  • Interactions in composite nanomaterials 
  • Raman spectroscopy in the nanosciences and nanotechnologies 
  • Use of Raman spectroscopy in novel fields

Published Papers (1 paper)

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Research

12 pages, 4108 KiB  
Article
Sensitive and Selective Detection of New Red Colorant Based on Surface-Enhanced Raman Spectroscopy Using Molecularly Imprinted Hydrogels
by Jing Neng, Kaiyun Xu, Yan Wang, Kan Jia, Qi Zhang and Peilong Sun
Appl. Sci. 2019, 9(13), 2672; https://doi.org/10.3390/app9132672 - 30 Jun 2019
Cited by 10 | Viewed by 3170
Abstract
A polyacrylamide-based molecularly imprinted hydrogel (MIH) doped with positively charged gold nanoparticles (Au NPs) has been synthesized via a free radical polymerization of acrylamide (AM) aqueous solution containing positively charged Au NPs as a Raman active substrate, New Red colorant as a template [...] Read more.
A polyacrylamide-based molecularly imprinted hydrogel (MIH) doped with positively charged gold nanoparticles (Au NPs) has been synthesized via a free radical polymerization of acrylamide (AM) aqueous solution containing positively charged Au NPs as a Raman active substrate, New Red colorant as a template molecule, N,N’-methylenebis(acrylamide) as a crosslinking agent, and potassium persulfate as an initiator. The Au NPs-doped MIHs were subsequently explored as a Raman active substrate for the sensitive and selective detection of New Red colorant via surface-enhanced Raman spectroscopy (SERS). The logarithmic intensity of the characteristic peak of New Red at 1572 cm−1 was proportional to the logarithmic concentration of New Red with a detection linear range of 1.64 × 10−6 to 1.64 × 10−4 M and a limit of detection (LOD) of 1.64 × 10−7 M. The recoveries ranged from 86.3% to 100.6% with a relative standard deviation (RSD) in the range of 2.3% to 7.7%. The RSD and recovery rates for the detection of New Red spiked in a sports drink sample were 1.8% to 7.7% and 91.0% to 97.1%, respectively. These results showed that SERS combined with MIHs as Raman active substrates could provide a sensitive, selective, and effective approach for the detection of the New Red colorant in beverage matrix. Full article
(This article belongs to the Special Issue Contribution of Raman Spectroscopy in Nanosciences and Nanotechnologies)
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