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Molecules
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Applications of Surface-Enhanced Raman Spectroscopy in Analytical Chemistry
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Applications of Surface-Enhanced Raman Spectroscopy in Analytical Chemistry

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Analytical Chemistry".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 6821

Special Issue Editors

Prof. Dr. Gustavo F. S. Andrade

E-Mail Website
Guest Editor
Departamento de Química, Universidade Federal de Juiz de Fora, R. José Lourenço Kelmer, s/n, 36036-900 Juiz de Fora, Brazil
Interests: surface-enhanced Raman spectroscopy; plasmonic nanomaterials; molecular adsorption; hybrid materials; plasmonic photocatalysis
Prof. Dr. Meikun Fan

E-Mail Website
Guest Editor
Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China
Interests: surface enhanced Raman scattering; surface enhanced infrared absorption; environmental analytical chemistry; food safety analysis; nanotoxicology
Prof. Dr. Antônio C. Sant'Ana

E-Mail Website
Guest Editor
Laboratório de Nanoestruturas Plasmônicas, Departamento de Química Universidade Federal de Juiz de Fora, 36036-900 Juiz de Fora, Brazil
Interests: Raman spectroscopy; plasmonic nanostructures; surface chemistry; bioapplications; drug delivery

Special Issue Information

Dear Colleagues,

Surface-enhanced Raman spectroscopy (SERS) grew from an interesting phenomenon to a useful technique in several aspects of chemical sciences, ranging from fundamental studies on plasmonic behavior to highly specific and efficient biosensors. That development was due to nanomaterials and supports research that provided the necessary platform for efficient SERS intensity and stability. Applications in a wide range of substances resulted in expressive growth of SERS as a technique of choice for the development of sensors and biosensors in a great variety of geometries, presenting applications ranging from inorganic ions to proteins and DNA.

We are pleased to invite you to submit an article for publication in this Special Issue on the applications of SERS on analytical sciences. This Special Issue aims to draw a picture of the recent developments of nanomaterials and sensing platforms based on SERS, including but not limited to flexible, cost-effective, and periodic substrates as well as surface modifications that allow improving the specificity of sensors and biosensors. Results that include development of substrates, nanostructure synthesis, and surface modification of plasmonic nanostructures and sensing strategies are welcome to improve the picture of recent developments in the area. In this Special Issue, original research articles and reviews are welcome.

We look forward to receiving your contributions.

Prof. Dr. Gustavo F. S. Andrade
Prof. Dr. Meikun Fan
Prof. Dr. Antônio C. Sant'Ana
Guest Editors

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. Molecules 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 2700 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 scattering
  • plasmonic nanomaterials
  • sensing platforms
  • flexible sensors
  • paper
  • polymers
  • surface modifications
  • proteins
  • biosensors
  • food safety screening
  • food authentication
  • explosive sensing

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Published Papers (3 papers)

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Research

13 pages, 3200 KiB  
Article
Chiral Recognition of D/L-Ribose by Visual and SERS Assessments
by Guohua Yao, Chao Liu, Shereen M. Elsherbiny and Qing Huang
Molecules 2023, 28(18), 6480; https://doi.org/10.3390/molecules28186480 - 7 Sep 2023
Cited by 1 | Viewed by 2212
Abstract
Ribose is the central molecular unit in ribose nucleic acid (RNA). Ribose is a key molecule in the study of many persistent scientific mysteries, such as the origin of life and the chiral homogeneity of biological molecules. Therefore, the chiral recognition of ribose [...] Read more.
Ribose is the central molecular unit in ribose nucleic acid (RNA). Ribose is a key molecule in the study of many persistent scientific mysteries, such as the origin of life and the chiral homogeneity of biological molecules. Therefore, the chiral recognition of ribose is of great significance. The traditional method of chiral recognition of ribose is HPLC, which is time-consuming, expensive, and can only be operated in the laboratory. There is no report on optical analytical techniques that can quickly detect the chirality of ribose. In this study, a simple and convenient approach for the chiral recognition of ribose has been developed. β-cyclodextrin(β-CD)-coated Ag NPs aggregate after adding D-ribose, so that D-/L-ribose can be identified using visual colorimetry and/or surface-enhanced Raman spectroscopy (SERS). The color change visible to the naked eye can readily distinguish the chirality of ribose, while the SERS method can provide the more sensitive analysis of enantiomeric ribose. The advantages of this method are that it is fast, convenient, low cost, and can be operated outside the laboratory. DFT calculations show that D-ribose and cyclodextrin have the same chirality, forming multiple strong hydrogen bonds between them; thus, D/L-ribose will induce different optical effects. Full article
(This article belongs to the Special Issue Applications of Surface-Enhanced Raman Spectroscopy in Analytical Chemistry)
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9 pages, 5696 KiB  
Communication
Iodine-Modified Ag NPs for Highly Sensitive SERS Detection of Deltamethrin Residues on Surfaces
by Zhangmei Hu, Dandan Peng, Feiyue Xing, Xiang Wen, Kun Xie, Xuemei Xu, Hui Zhang, Feifei Wei, Xiaoke Zheng and Meikun Fan
Molecules 2023, 28(4), 1700; https://doi.org/10.3390/molecules28041700 - 10 Feb 2023
Cited by 3 | Viewed by 1688
Abstract
It is essential to estimate the indoor pesticides/insecticides exposure risk since reports show that 80% of human exposure to pesticides occurs indoors. As one of the three major contamination sources, surface collected pesticides contributed significantly to this risk. Here, a highly sensitive liquid [...] Read more.
It is essential to estimate the indoor pesticides/insecticides exposure risk since reports show that 80% of human exposure to pesticides occurs indoors. As one of the three major contamination sources, surface collected pesticides contributed significantly to this risk. Here, a highly sensitive liquid freestanding membrane (FSM) SERS method based on iodide modified silver nanoparticles (Ag NPs) was developed for quantitative detection of insecticide deltamethrin (DM) residues in solution phase samples and on surfaces with good accuracy and high sensitivity. The DM SERS spectrum from 500 to 2500 cm−1 resembled the normal Raman counterpart of solid DM. Similar bands at 563, 1000, 1165, 1207, 1735, and 2253 cm−1 were observed as in the literature. For the quantitative analysis, the strongest peak at 1000 cm−1 that was assigned to the stretching mode of the benzene ring and the deformation mode of C-C was selected. The peak intensity at 1000 cm−1 and the concentration of DM showed excellent linearity from 39 to 5000 ppb with a regression equation I = 649.428 + 1.327 C (correlation coefficient R2 = 0.991). The limit of detection (LOD) of the DM was found to be as low as 11 ppb. Statistical comparison between the proposed and the HPLC methods for the analysis of insecticide deltamethrin (DM) residues in solution phase samples showed no significant difference. DM residue analysis on the surface was mimicked by dropping DM pesticide on the glass surface. It is found that DM exhibited high residue levels up to one week after exposure. This proposed SERS method could find application in the household pesticide residues analysis. Full article
(This article belongs to the Special Issue Applications of Surface-Enhanced Raman Spectroscopy in Analytical Chemistry)
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12 pages, 2130 KiB  
Article
A Rapid Therapeutic Drug Monitoring Strategy of Carbamazepine in Serum by Using Coffee-Ring Effect Assisted Surface-Enhanced Raman Spectroscopy
by Qingxia Zhu, Xinhang Li, Dan Li, Feng Lu, Yunli Zhao and Yongfang Yuan
Molecules 2023, 28(1), 128; https://doi.org/10.3390/molecules28010128 - 23 Dec 2022
Cited by 3 | Viewed by 2088
Abstract
Carbamazepine (CBZ) has a narrow therapeutic concentration range, and therapeutic drug monitoring (TDM) is necessary for its safe and effective individualized medication. This study aims to develop a procedure for CBZ detection in serum using coffee-ring effect assisted surface-enhanced Raman spectroscopy (SERS). Silver [...] Read more.
Carbamazepine (CBZ) has a narrow therapeutic concentration range, and therapeutic drug monitoring (TDM) is necessary for its safe and effective individualized medication. This study aims to develop a procedure for CBZ detection in serum using coffee-ring effect assisted surface-enhanced Raman spectroscopy (SERS). Silver nanoparticles deposited onto silicon wafers were used as the SERS-active material. Surface treatment optimization of the silicon wafers and the liquid–liquid extraction method were conducted to eliminate the influence of impurities on the silicon wafer surface and the protein matrix. The proposed detection procedure allows for the fast determination of CBZ in artificially spiked serum samples within a concentration range of 2.5–40 μg·mL−1, which matches the range of the drug concentrations in the serum after oral medication. The limit of detection for CBZ was found to be 0.01 μg·mL−1. The developed method allowed CBZ and its metabolites to be ultimately distinguished from real serum samples. The developed method is anticipated to be a potential tool for monitoring other drug concentrations. Full article
(This article belongs to the Special Issue Applications of Surface-Enhanced Raman Spectroscopy in Analytical Chemistry)
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