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Nanomaterials
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Environmental Nanotechnology
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Environmental Nanotechnology

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Environmental Nanoscience and Nanotechnology".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 2690

Special Issue Editors

Prof. Dr. Michael Komárek

E-Mail Website
Guest Editor
Department of Environmental Geosciences, Faculty of Environmental Sciences, Czech University of Life Sciences Prague of Life Sciences Prague, Prague, Czech Republic
Interests: Environmental soil chemistry; Modeling adsorption processes, surface complexation modeling; Chemical stabilization and phytostabilization of metals/metalloids in contaminated soils; Environmental nanotechnology; Metal isotopes as tracers of environmental pollution and geochemical processes
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jose Luis Rodríguez Gallego

E-Mail Website
Guest Editor
Indurot and Environmental Technology, Biotechnology and Geochemistry Group, Campus de Mieres, Universidad de Oviedo, 33600 Mieres, Asturias, Spain
Interests: site remediation; soil pollution; brownfields; nanoremediation; bioremediation; environmental geochemistry; heavy metals and metalloids; hydrocarbons
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Among other fields, engineered nanoparticles can be used for environmental management, through the prevention or treatment and remediation of contaminated sites, or in improving soil fertility. Additionally, the combined use of nanotechnologies and biotechnologies for environmental remediation is an emerging and environmentally friendly method with significant scientific and economic potential. Engineered nanoparticles have already been successfully used for groundwater decontamination, and they also represent promising materials for the remediation of polluted soils and for improving soil fertility. The regulatory framework generally assumes that engineered nanoparticles possess toxicity and risk equivalent to those materials with larger particles, but the smaller size of engineered nanoparticles results in entirely different physical–chemical and toxicological properties. This Special Issue aims to cover all potential aspects related to the use of engineered nanoparticles for environmental management and remediation, improving soil properties, including an assessment of potential ecotoxicologal risks.

Prof. Dr. Michael Komárek
Dr. Jose Luis Rodríguez Gallego
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

  • nanomaterials
  • soils
  • groundwater
  • environmental engineering
  • toxicity
  • synthesis
  • nanotechnology

Published Papers (1 paper)

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Research

15 pages, 1965 KiB  
Article
Environmental Hazards of Boron and Vanadium Nanoparticles in the Terrestrial Ecosystem—A Case Study with Enchytraeus crypticus
by Angela Barreto, Joana Santos, Mónica J. B. Amorim and Vera L. Maria
Nanomaterials 2021, 11(8), 1937; https://doi.org/10.3390/nano11081937 - 28 Jul 2021
Cited by 12 | Viewed by 1943
Abstract
From the start of the 21st century, nanoecotoxicological research has been growing in fast steps due to the need to evaluate the safety of the increasing use of engineered nanomaterials. Boron (B) and vanadium (V) nanoparticles (NPs) generated by anthropogenic activities are subsequently [...] Read more.
From the start of the 21st century, nanoecotoxicological research has been growing in fast steps due to the need to evaluate the safety of the increasing use of engineered nanomaterials. Boron (B) and vanadium (V) nanoparticles (NPs) generated by anthropogenic activities are subsequently released in the environment; therefore, organisms can be continuously exposed to these NPs for short or long periods. However, the short and long-term effects of BNPs and VNPs on soil organisms are unknown. This work aimed to recognize and describe their potential toxicological effects on the model species Enchytraeus crypticus, assessing survival and reproduction, through a longer-term exposure (56 days (d)—OECD test extension of 28 d), and avoidance behavior, through a short-term exposure (48 hours (h)). After 28 d, BNPs did not induce a significant effect on E. crypticus survival, whereas they decreased the organisms’ reproduction at 500 mg/kg. From 10 to 500 mg/kg, VNPs decreased the E. crypticus survival and/or reproduction. After 56 d, 100 to 500 mg/kg BNPs and 50 to 500 mg/kg VNPs, decreased the reproduction output of E. crypticus. The estimated Effect Concentrations (ECx) based on reproduction, for BNPs, were lower at 56 d compared with 28 d; for VNPs, an opposite pattern was found: ECx 28 d < ECx 56 d. BNPs did not induce an avoidance behavior, but organisms avoided the soil contaminated with 10 mg VNPs/kg. The tested NPs showed different E. crypticus apical effects at 28 d from the ones detected at 56 d, dependent on the type of NPs (B vs. V). In general, VNPs showed to be more toxic than BNPs. However, the effects of VNPs were alleviated during the time of exposure, contrarily to BNPs (which became more toxic with extended duration). The present study adds important information about NPs toxicity with ecological significance (at the population level). Including long-term effects, the obtained results contributes to the improvement of NPs risk assessment. Full article
(This article belongs to the Special Issue Environmental Nanotechnology)
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