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Applications of Nanomaterials in the Antimicrobial Sector
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Applications of Nanomaterials in the Antimicrobial Sector

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Microbiology".

Deadline for manuscript submissions: closed (30 November 2024) | Viewed by 5653

Special Issue Editor

Dr. Ekaterina A. Obraztsova

E-Mail Website
Guest Editor
Moscow Institute of Physics and Technology, 9 Institutsky Per., 141700 Dolgoprudny, Moscow Region, Russia
Interests: carbon nanomaterials; microscopy; optical spectroscopy; biocompatibility; nano-bio composites

Special Issue Information

Dear Colleagues,

In recent years, nanomaterials have transitioned from being laboratory substances with fascinating physical and chemical properties to real-life applications that are as varied as electronics, advanced technological products, every-day utensils, and many other fields. In particular, nanoparticles, nano-textured coverings and films, and materials with nano-sized features have applications in bio-medical, therapeutic applications, ecology, food and beverage technologies, etc.

In this Special Issue, we aim to analyze the impact of various nanostructures in the antimicrobial sector. We welcome original research papers and review papers regarding the use of nanomaterials in the fields of microbial infection, antibiotic resistance, antibacterial and antiviral coatings in healthcare, food storage, water treatment, and other related areas. Both purposed antimicrobial action and undesired interaction of nanostructured contaminants with microorganisms and other biological structures are expected to be highlighted. We expect the scientists from various research fields to contribute to the discussion of effective synthetic approaches, preferential structural characteristics, mechanisms of antimicrobial action, comparison with traditional antimicrobial agents, and future perspectives of antimicrobial nano-engineered materials.

Dr. Ekaterina A. Obraztsova
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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • antimicrobial nanomaterials
  • nanostructured materials
  • nanoparticles
  • bioactive nanomaterials
  • nanomaterials contamination
  • antibacterial activity
  • antiviral activity
  • antibiotic resistance
  • food storage
  • environment

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Published Papers (3 papers)

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15 pages, 40415 KiB  
Article
Comparison of Antimicrobial Properties of Graphene Oxide-Based Materials, Carbon Dots, and Their Combinations Deposited on Cotton Fabrics
by Zakhar Ivanovich Evseev, Lidia Andreevna Tarasova, Fedora Dmitrievna Vasilieva, Marfa Nikitichna Egorova, Petr Stanislavovich Dmitriev, Yana Aleksandrovna Akhremenko and Svetlana Afanasyevna Smagulova
Int. J. Mol. Sci. 2024, 25(10), 5328; https://doi.org/10.3390/ijms25105328 - 14 May 2024
Cited by 4 | Viewed by 2051
Abstract
The rise in the antibiotic resistance of bacteria has increased scientific interest in the study of materials with unique mechanisms of antimicrobial action. This paper presents the results of studies on the antimicrobial activity of carbon materials and textiles decorated with them. A [...] Read more.
The rise in the antibiotic resistance of bacteria has increased scientific interest in the study of materials with unique mechanisms of antimicrobial action. This paper presents the results of studies on the antimicrobial activity of carbon materials and textiles decorated with them. A comparative analysis of the bactericidal and fungicidal activities of graphene oxide, electrochemically exfoliated multigraphene, carbon dots, and their combinations was performed. Microbiological studies on reference strains of E. coli, S. aureus, and C. albicans showed that graphene oxide inhibited growth with up to 98% efficiency. Electrochemically exfoliated multigraphene was less effective (up to 40%). This study found no significant antimicrobial activity of carbon dots and the combination of carbon dots with graphene oxide significantly weakened their effectiveness. However, the combination of electrochemically exfoliated multigraphene and carbon dots exhibits a synergistic effect (up to 76%). A study on the antimicrobial activity of decorated cotton textiles demonstrated the effectiveness of antimicrobial textiles with graphene oxide, electrochemically exfoliated multigraphene, and a combination of carbon dots with electrochemically exfoliated multigraphene. Full article
(This article belongs to the Special Issue Applications of Nanomaterials in the Antimicrobial Sector)
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12 pages, 9558 KiB  
Article
The Synthesis and Analysis of the Cytotoxicity of Al2O3-Supported Silver Nanoparticles Prepared by the Plasma Chemical Process Initiated by Pulsed MW Radiation in the Al2O3–Ag Powder Mixtures
by Nina N. Skvortsova, Nailya S. Akhmadullina, Ildar Yu. Vafin, Ekaterina A. Obraztsova, Yanislav S. Hrytseniuk, Arina A. Nikandrova, Dmitrii A. Lukianov, Tatiana E. Gayanova, Elena V. Voronova, Oleg N. Shishilov and Vladimir D. Stepakhin
Int. J. Mol. Sci. 2024, 25(10), 5326; https://doi.org/10.3390/ijms25105326 - 14 May 2024
Cited by 2 | Viewed by 1303
Abstract
An original plasma chemical process initiated by microwave discharge in a mixture of metal and dielectric powders was applied to prepare specific materials, which consisted of microsized spherical particles of aluminum oxide covered with silver nanoparticles. The prepared materials are highly uniform in [...] Read more.
An original plasma chemical process initiated by microwave discharge in a mixture of metal and dielectric powders was applied to prepare specific materials, which consisted of microsized spherical particles of aluminum oxide covered with silver nanoparticles. The prepared materials are highly uniform in shape, size distribution, and composition. Their cytotoxicity was investigated using the human cell lines MCF7, HEK293T, A549, and VA-13 and the bacterial strains E. coli JW5503 (ΔtolC) and E. coli K12. Their cytotoxicity was found not to exceed the cytotoxicity of the starting materials. Thus, the prepared materials can be considered highly promising for catalysis and biotechnology applications. Full article
(This article belongs to the Special Issue Applications of Nanomaterials in the Antimicrobial Sector)
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13 pages, 899 KiB  
Article
Molecular Epidemiology of Carbapenem-Resistant Klebsiella aerogenes in Japan
by Kentarou Takei, Miho Ogawa, Ryuji Sakata and Hajime Kanamori
Int. J. Mol. Sci. 2024, 25(8), 4494; https://doi.org/10.3390/ijms25084494 - 19 Apr 2024
Viewed by 1703
Abstract
Information regarding Klebsiella aerogenes haboring carbapenemase in Japan is limited. A comprehensive nationwide survey was conducted from September 2014 to December 2022, and 67 non-duplicate strains of carbapenem-resistant K. aerogenes were isolated from 57 healthcare facilities in Japan. Through genetic testing and whole-genome [...] Read more.
Information regarding Klebsiella aerogenes haboring carbapenemase in Japan is limited. A comprehensive nationwide survey was conducted from September 2014 to December 2022, and 67 non-duplicate strains of carbapenem-resistant K. aerogenes were isolated from 57 healthcare facilities in Japan. Through genetic testing and whole-genome sequencing, six strains were found to possess carbapenemases, including imipenemase (IMP)-1, IMP-6, New Delhi metallo-β-lactamase (NDM)-1, and NDM-5. The strain harboring blaNDM-5 was the novel strain ST709, which belongs to the clonal complex of the predominant ST4 in China. The novel integron containing blaIMP-1 featured the oxacillinase-101 gene, which is a previously unreported structure, with an IncN4 plasmid type. However, integrons found in the strains possessing blaIMP-6, which were the most commonly identified, matched those reported domestically in Klebsiella pneumoniae, suggesting the prevalence of identical integrons. Transposons containing blaNDM are similar or identical to the transposon structure of K. aerogenes harboring blaNDM-5 previously reported in Japan, suggesting that the same type of transposon could have been transmitted to K. aerogenes in Japan. This investigation analyzed mobile genetic elements, such as integrons and transposons, to understand the spread of carbapenemases, highlighting the growing challenge of carbapenem-resistant Enterobacterales in Japan and underscoring the critical need for ongoing surveillance to control these pathogens. Full article
(This article belongs to the Special Issue Applications of Nanomaterials in the Antimicrobial Sector)
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