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Nanomaterials
Special Issues
Carbon-Based Nanomaterials for Emerging Technologies
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Carbon-Based Nanomaterials for Emerging Technologies

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "2D and Carbon Nanomaterials".

Deadline for manuscript submissions: 10 November 2024 | Viewed by 526

Special Issue Editors

Prof. Dr. Simone Morais

E-Mail Website
Guest Editor
REQUIMTE/LAQV, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal
Interests: (bio)sensors; application of functional nanostructured materials; green technologies; new methodologies for (electro)analysis; environmental chemistry; monitoring/biomonitoring
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Thiago Oliveira

E-Mail Website
Guest Editor
Science and Technology Center, Federal University of Cariri, Avenida Tenente Raimundo Rocha, Cidade Universitária, Juazeiro do Norte 63048-080, CE, Brazil
Interests: analytical methods; (bio)sensors; semiconductors; (photo)electrocatalysis; green processes and technologies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Carbon-based nanomaterials—such as nanotubes, graphene, nanofibers, fullerene, quantum dots, etc.— are a remarkable scientific innovation, which are being increasingly utilized in various industries. This increase in popularity can be attributed to a myriad of fascinating qualities, including high electrical and thermal conductivity, chemical stability, optical properties, electrocatalytic effects, high surface-to-volume ratio, and good biocompatibility. These nanomaterials can be used as a reaction interface following chemical or biological functionalization, as well as fillers used to add new properties to (nano)composites, thus expanding the spectrum of possible applications. Recently, the use of 0D-3D nanostructured carbon allotropes have furthered the development of emerging and cutting-edge technologies in several fields, such as environment, agriculture, energy, pharmacology, and medicine.

This Special Issue aims to collate original research papers, review articles, communications, as well as short notes that focus on new (experimental or theoretical) advancements, challenges, and outlooks concerning the production, characterization, and application of carbon-based nanomaterials for the development of emerging technologies.

Prof. Dr. Simone Morais
Prof. Dr. Thiago Oliveira
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. Nanomaterials 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 2900 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

  • carbon-based nanomaterials
  • analytical methods
  • (bio)sensors
  • pollutant treatment and conversion processes
  • health care devices and procedures
  • synthesis of high value-added products
  • catalysis
  • energy conversion and storage
  • green technologies
  • emerging technologies

Published Papers (1 paper)

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Research

17 pages, 2928 KiB  
Article
Exploring the Thermal-Oxidative Stability of Azithromycin Using a Thermoactivated Sensor Based on Cerium Molybdate and Multi-Walled Carbon Nanotubes
by Heryka R. A. Costa, André O. Santos, Yago N. Teixeira, Maria A. S. Silva, Valker A. Feitosa, Simone Morais and Thiago M. B. F. Oliveira
Nanomaterials 2024, 14(11), 899; https://doi.org/10.3390/nano14110899 - 21 May 2024
Viewed by 406
Abstract
The chemical stability of azithromycin (AZM) may be compromised depending on the imposed thermo-oxidative conditions. This report addresses evidence of this process under varying conditions of temperature (20–80 °C), exposure time to UV radiation (1–3 h irradiation at 257 nm), and air saturation [...] Read more.
The chemical stability of azithromycin (AZM) may be compromised depending on the imposed thermo-oxidative conditions. This report addresses evidence of this process under varying conditions of temperature (20–80 °C), exposure time to UV radiation (1–3 h irradiation at 257 nm), and air saturation (1–3 h saturation with atmospheric air at 1.2 L min−1 and 15 kPa) through electrochemical measurements performed with a thermoactivated cerium molybdate (Ce2(MoO4)3)/multi-walled carbon nanotubes (MWCNT)-based composite electrode. Thermal treatment at 120 °C led to coordinated water elimination in Ce2(MoO4)3, improving its electrocatalytic effect on antibiotic oxidation, while MWCNT were essential to reduce the charge-transfer resistance and promote signal amplification. Theoretical–experimental data revealed remarkable reactivity for the irreversible oxidation of AZM on the working sensor using phosphate buffer (pH = 8) prepared in CH3OH/H2O (10:90%, v/v). Highly sensitive (230 nM detection limit) and precise (RSD < 4.0%) measurements were recorded under these conditions. The results also showed that AZM reduces its half-life as the temperature, exposure time to UV radiation, and air saturation increase. This fact reinforces the need for continuous quality control of AZM-based pharmaceuticals, using conditions closer to those observed during their transport and storage, reducing impacts on consumers’ health. Full article
(This article belongs to the Special Issue Carbon-Based Nanomaterials for Emerging Technologies)
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