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Nanomaterials
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Nanomaterials and Microorganisms, Volume II
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Nanomaterials and Microorganisms, Volume II

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Biology and Medicines".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 1436

Special Issue Editors

Dr. Monika Mortimer

E-Mail Website
Guest Editor
Institute of Environmental and Health Sciences, College of Quality and Safety Engineering, China Jiliang University, Hangzhou, China
Interests: ecotoxicology; nanotoxicology; engineered nanomaterials; microbiology; mechanisms of toxicity
Special Issues, Collections and Topics in MDPI journals
Dr. Anne Kahru

E-Mail Website
Guest Editor
National Institute of Chemical Physics and Biophysics (NICPB), Laboratory of Environmental Toxicology, Akadeemia Tee 23, 12618 Tallinn, Estonia
Interests: nanotoxicology; ecotoxicology; microbiology; in vitro toxicology; antimicrobials; 3Rs
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

After the successful completion of the Special Issue “Nanomaterials and Microorganisms”, we feel that there is a continued interest in this topic; thus, we are reopening the Special Issue for the collection of relevant research articles and review papers.

The key roles of microorganisms in the environment, agriculture, and human health are increasingly being recognized. Accordingly, research regarding interactions between microbial communities and their surrounding environments—including xenobiotic exposures—is growing exponentially. Since nanomaterials represent a major group of novel materials designed for antimicrobial applications and use in agriculture, environmental remediation, the food industry, as well as medicine, it is crucial to understand the underlying mechanisms of nanomaterial interactions with microorganisms in these applications. Thus, this Special Issue invites publications in the broad area of nanomaterial–microorganism interactions. The topics of interest include, but are not limited to:

  • Beneficial or harmful effects of engineered nanomaterials on microorganisms;
  • Antibacterial applications of nanomaterials;
  • Impacts of nanomaterials, including nanomedicines, on commensal microorganisms (microbiota);
  • Nanomaterial effects on microbial communities in the natural and man-made environments;
  • Nanoagrochemicals and their interactions with soil microorganisms, plant or animal microbiota;
  • Biofilm interactions with nanomaterials;
  • Microbial bioassays.

We look forward to receiving your submissions.

Dr. Monika Mortimer
Dr. Anne Kahru
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

  • bacteria
  • fungi
  • antimicrobial
  • microbiota
  • symbiosis
  • pathogen
  • commensal
  • biofilms
  • toxicity
  • nanoparticles
  • nanomaterials

Published Papers (1 paper)

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Research

19 pages, 5074 KiB  
Article
Comparison of Toxicity and Cellular Uptake of CdSe/ZnS and Carbon Quantum Dots for Molecular Tracking Using Saccharomyces cerevisiae as a Fungal Model
by Sanni M. A. Färkkilä, Monika Mortimer, Raivo Jaaniso, Anne Kahru, Valter Kiisk, Arvo Kikas, Jekaterina Kozlova, Imbi Kurvet, Uno Mäeorg, Maarja Otsus and Kaja Kasemets
Nanomaterials 2024, 14(1), 10; https://doi.org/10.3390/nano14010010 - 19 Dec 2023
Cited by 1 | Viewed by 1093
Abstract
Plant resource sharing mediated by mycorrhizal fungi has been a subject of recent debate, largely owing to the limitations of previously used isotopic tracking methods. Although CdSe/ZnS quantum dots (QDs) have been successfully used for in situ tracking of essential nutrients in plant-fungal [...] Read more.
Plant resource sharing mediated by mycorrhizal fungi has been a subject of recent debate, largely owing to the limitations of previously used isotopic tracking methods. Although CdSe/ZnS quantum dots (QDs) have been successfully used for in situ tracking of essential nutrients in plant-fungal systems, the Cd-containing QDs, due to the intrinsic toxic nature of Cd, are not a viable system for larger-scale in situ studies. We synthesized amino acid-based carbon quantum dots (CQDs; average hydrodynamic size 6 ± 3 nm, zeta potential −19 ± 12 mV) and compared their toxicity and uptake with commercial CdSe/ZnS QDs that we conjugated with the amino acid cysteine (Cys) (average hydrodynamic size 308 ± 150 nm, zeta potential −65 ± 4 mV) using yeast Saccharomyces cerevisiae as a proxy for mycorrhizal fungi. We showed that the CQDs readily entered yeast cells and were non-toxic up to 100 mg/L. While the Cys-conjugated CdSe/ZnS QDs were also not toxic to yeast cells up to 100 mg/L, they were not taken up into the cells but remained on the cell surfaces. These findings suggest that CQDs may be a suitable tool for molecular tracking in fungi (incl. mychorrhizal fungi) due to their ability to enter fungal cells. Full article
(This article belongs to the Special Issue Nanomaterials and Microorganisms, Volume II)
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