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Nanomaterials
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Nano-Based Materials for Soil Health
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Nano-Based Materials for Soil Health

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 2021) | Viewed by 6138

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 soil remediation is an emerging and environmentally friendly method with significant scientific and economic potential. Engineered nanoparticles can thus become promising materials for the gentle remediation of contaminated 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 improving soil properties, fertility, and for remediation, 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

  • engineered nanoparticles
  • environmental management
  • agriculture
  • toxicity
  • soil

Published Papers (2 papers)

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Research

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17 pages, 2481 KiB  
Article
Nanoscale Zero-Valent Iron Has Minimum Toxicological Risk on the Germination and Early Growth of Two Grass Species with Potential for Phytostabilization
by Manuel Teodoro, Rafael Clemente, Ermengol Ferrer-Bustins, Domingo Martínez-Fernández, Maria Pilar Bernal, Martina Vítková, Petr Vítek and Michael Komárek
Nanomaterials 2020, 10(8), 1537; https://doi.org/10.3390/nano10081537 - 05 Aug 2020
Cited by 9 | Viewed by 2577
Abstract
Two Poaceae species, Agrostis capillaris and Festuca rubra, were selected for their potential as phytostabilizing plants in multicontaminated soils. These species are resistant to contamination and maintain high concentrations of contaminants at the root level. Nanoscale zero-valent iron (nZVI) is an engineered [...] Read more.
Two Poaceae species, Agrostis capillaris and Festuca rubra, were selected for their potential as phytostabilizing plants in multicontaminated soils. These species are resistant to contamination and maintain high concentrations of contaminants at the root level. Nanoscale zero-valent iron (nZVI) is an engineered nanomaterial with the ability to stabilize metal(loid)s in soils; its potential toxicological effects in the selected species were studied in a germination test using: (i) control variant without soil; (ii) soil contaminated with Pb and Zn; and (iii) contaminated soil amended with 1% nZVI, as well as in an hydroponic experiment with the addition of nZVI 0, 25, 50 and 100 mg L−1. nZVI had no negative effects on seed germination or seedling growth, but was associated with an increase in shoot growth and reduction of the elongation inhibition rate (root-dependent) of F. rubra seedlings. However, applications of nZVI in the hydroponic solution had no effects on F. rubra but A. capillaris developed longer roots and more biomass. Increasing nZVI concentrations in the growing solution increased Mg and Fe uptake and reduced the Fe translocation factor. Our results indicate that nZVI has few toxic effects on the studied species. Full article
(This article belongs to the Special Issue Nano-Based Materials for Soil Health)
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Review

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24 pages, 4515 KiB  
Review
Comparison of Nanomaterials with Other Unconventional Materials Used as Additives for Soil Improvement in the Context of Sustainable Development: A Review
by Gang Liu, Chong Zhang, Mingzhi Zhao, Wenbo Guo and Qiang Luo
Nanomaterials 2021, 11(1), 15; https://doi.org/10.3390/nano11010015 - 23 Dec 2020
Cited by 17 | Viewed by 3128
Abstract
Since the concept of sustainable development enjoys popular support in the 21st century, various kinds of unconventional materials were introduced for soil improvement in the past few decades to replace the traditional materials like concrete and lime. This paper compared nanomaterials with other [...] Read more.
Since the concept of sustainable development enjoys popular support in the 21st century, various kinds of unconventional materials were introduced for soil improvement in the past few decades to replace the traditional materials like concrete and lime. This paper compared nanomaterials with other three kinds of representative unconventional materials to demonstrate its superiority in soil treatment. The other three kinds of unconventional materials include microbially induced calcite precipitation (MICP), recycled tire and environmental fiber. Nanomaterial and MICP have a comprehensive effect on soil reinforcement, since they can improve shear strength, adjust permeability, resist liquefaction and purify the environment. Recycled tire and environmental fibers are granular materials that are mostly adopted to reinforce reconstituted soil. The reinforcement mechanisms and effects of these four kinds of unconventional materials are discussed in detail, and their price/performance ratios are calculated to make an evaluation about their market application prospects. It can be seen that nanomaterials have promising prospects. Colloidal silica, bentonite and laponite present a satisfactory effect on liquefaction mitigation for sandy foundation, and carbon nanotube has an aptitude for unconfined compressive strength improvement. Among the investigated nanomaterials, colloidal silica is the closest to scale market application. Despite the advantages of nanomaterials adopted as additives for soil improvement, they are known for unwanted interactions with different biological objects at the cell level. Nevertheless, research on nanomaterials that are adopted for soil improvement are very promising and can intensify the relationship between sustainable development and geotechnical engineering through innovative techniques. Full article
(This article belongs to the Special Issue Nano-Based Materials for Soil Health)
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