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Toxics
Special Issues
Advances in Environmental Analysis and Characterization of Engineered Inorganic Nanomaterials
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Advances in Environmental Analysis and Characterization of Engineered Inorganic Nanomaterials

A special issue of Toxics (ISSN 2305-6304). This special issue belongs to the section "Ecotoxicology".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 2829

Special Issue Editors

Dr. Zhiqiang Tan

E-Mail Website
Guest Editor
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Interests: speciation analysis; environmental transformation; engineered elemental metal nanoparticles; field-flow fractionation; nanopesticide
Dr. Meseret Amde

E-Mail Website
Guest Editor
Department of Chemistry, College of Natural and Computational Sciences, Haramaya University, Oromia, Ethiopia
Interests: sample preparation; environmental remediation and monitoring; sensors; nanomaterials; environmental processes of nanomaterials; emerging contaminants

Special Issue Information

Dear Colleagues,

Nanoscience and nanotechnology offer broad developments in various applications. Among the various engineered nanomaterials, inorganic nanomaterials have drawn intense attention because of their outstanding physicochemical properties and increasing prevalence in the market. Nevertheless, engineered inorganic nanomaterials are inevitably released into the environment during their production, transportation, use, and disposal, raising concerns over their adverse impacts on human health and the environment. Therefore, to assess the risks related to engineered inorganic nanomaterials, the first step is to develop effective and reliable analytical methods to identify, characterize, and quantify their presence in the environment. Recently, the rapid development of measurement instruments has provided an opportunity to develop and popularize the state-of-the-art analytical methods for the analysis of engineered inorganic nanomaterials. This Special Issue is focused on the advances in identification and characterization of engineered inorganic nanomaterials in the environment.

Dr. Zhiqiang Tan
Dr. Meseret Amde
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. Toxics is an international peer-reviewed open access monthly 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 2600 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

  • speciation analysis
  • environmental transformation
  • engineered elemental metal nanoparticles
  • field-flow fractionation
  • nanopesticide
  • nano-analysis

Published Papers (1 paper)

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Research

13 pages, 4375 KiB  
Article
Pollution and Distribution of Microplastics in Grassland Soils of Qinghai–Tibet Plateau, China
by Sumei Li, Ziyi Li, Jun Xue, Sha Chen, Hanbing Li, Jian Ji, Yixuan Liang, Jiaying Fei and Weiyi Jiang
Toxics 2023, 11(1), 86; https://doi.org/10.3390/toxics11010086 - 16 Jan 2023
Cited by 7 | Viewed by 2156
Abstract
Microplastics (MPs) are plastic fragments with particle sizes smaller than 5 mm that have potentially harmful effects on ecosystems and human health. The soil environment is not only the source but also the sink of MPs. Thus, it is necessary to fully understand [...] Read more.
Microplastics (MPs) are plastic fragments with particle sizes smaller than 5 mm that have potentially harmful effects on ecosystems and human health. The soil environment is not only the source but also the sink of MPs. Thus, it is necessary to fully understand the pollution and distribution of MPs in soils. In this study, Qinghai Province, northeast of the Qinghai–Tibet Plateau, was selected as the research area, and 22 soil samples were collected and analyzed to study the levels and distribution characteristics of MPs in grassland soils. MPs were obtained from the soils by using density separation, and a laser confocal micro Raman spectrometer was used for MP identification. The results showed that MPs were detected in all of the soil samples. The total abundances of MPs ranged from 1125 to 1329 items/kg, with a mean abundance of 1202 items/kg. Various types, shapes, sizes, and colors of MPs were observed. Polyethylene terephthalate (PET) was the dominant polymer in all the grassland soil samples. The size range of 10–50 μm accounted for 50% of all identified MPs. Pellets were the dominant MP shape, and colored MPs accounted for 64% of all MPs. The results revealed the presence of large quantities of MPs in the grassland soils of remote areas as well. This study can act as a reference for further studies of MPs in terrestrial systems. At the end of the paper, the prospects and suggestions for pollution control by soil MPs are given. Full article
(This article belongs to the Special Issue Advances in Environmental Analysis and Characterization of Engineered Inorganic Nanomaterials)
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