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Toxics
Special Issues
Ecotoxicology of Various Chemicals and Nanoparticles in Aquatic Ecosystems
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Ecotoxicology of Various Chemicals and Nanoparticles in Aquatic Ecosystems

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

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 5907

Special Issue Editors

Dr. Konstantin Pikula

E-Mail Website
Guest Editor
Education and Scientific Center of Nanotechnology, Far Eastern Federal University, Vladivostok, Russia
Interests: environmental toxicology; nanotoxicology; bioassays; microalgae; bivalves; flow cytometry; toxic mode of action
Prof. Dr. Kirill S. Golokhvast

E-Mail Website1 Website2
Guest Editor
1. Siberian Federal Scientific Center of Agrobiotechnology of the Russian Academy of Sciences, 633501 Krasnoobsk, Russia
2. Laboratory of Supercritical Fluid Research and Application in Agrobiotechnology, Tomsk State University, 634050 Tomsk, Russia
3. Vavilov All-Russian Institute of Plant Genetic Resources, 190000 Sankt-Petersburg, Russia
4. Institute of Life Science and Biomedicine, Far Eastern Federal University, 690922 Vladivostok, Russia
Interests: ecotoxicology, sustainability; environmental protection
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We would like to introduce a Special Issue on aquatic toxicology of nanoparticles and other chemicals. In ecotoxicology, aquatic ecosystems represent a reservoir for anthropogenic pollution, and one of the main scientific purposes in this area is to maintain a stable and safe environment despite the constantly rising production of novel synthetic materials.

The current Special Issue aimed to concentrate scientific interest in risk assessment of various synthetic and natural substances and materials, including nanoparticles, which can be harmful to the aquatic environment. We welcome reviews and original research works exploring the toxic action of single and combined pollutants in aquatic species, such as bacteria, microalgae, bivalves, and others. Research works might be devoted to the assessment of the effects of various environmental conditions, such as temperature, salinity, presence of dissolved natural organic matter, formation of the protean or environmental corona, etc. on the toxic action of the studding substance, We are highly welcome the studies of aquatic pollution monitoring and pollution modeling. Another direction is the assessment of environmental fate, transport, and degradation of chemical in aquatic environment.

This Special Issue would collect current knowledge and original research works in nanotoxicology and toxicity of chemicals in aquatic environments. We look forward to receiving your contribution.

Dr. Konstantin Pikula
Prof. Dr. Kirill S. Golokhvast
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

  • ecotoxicology
  • nanoparticles
  • nanomaterials
  • nanotoxicology
  • aquatic toxicity
  • bioassays
  • environmental risk assessment
  • xenobiotics
  • aquatic pollutants

Published Papers (4 papers)

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Research

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14 pages, 7514 KiB  
Article
The Comparative Toxic Impact Assessment of Carbon Nanotubes, Fullerene, Graphene, and Graphene Oxide on Marine Microalgae Porphyridium purpureum
by Konstantin Pikula, Seyed Ali Johari, Ralph Santos-Oliveira and Kirill Golokhvast
Toxics 2023, 11(6), 491; https://0-doi-org.brum.beds.ac.uk/10.3390/toxics11060491 - 30 May 2023
Cited by 2 | Viewed by 1094
Abstract
The growing production and application of carbon-based nanomaterials (CNMs) represent possible risks for aquatic systems. However, the variety of CNMs with different physical and chemical properties and different morphology complicate the understanding of their potential toxicity. This paper aims to evaluate and compare [...] Read more.
The growing production and application of carbon-based nanomaterials (CNMs) represent possible risks for aquatic systems. However, the variety of CNMs with different physical and chemical properties and different morphology complicate the understanding of their potential toxicity. This paper aims to evaluate and compare the toxic impact of the four most common CNMs, namely multiwalled carbon nanotubes (CNTs), fullerene (C60), graphene (Gr), and graphene oxide (GrO) on the marine microalgae Porphyridium purpureum. The microalgae cells were exposed to the CNMs for 96 h and measured by flow cytometry. Based on the obtained results, we determined no observed effect level (NOEL), and calculated EC10 and EC50 concentrations for growth rate inhibition, esterase activity, membrane potential, and reactive oxygen species (ROS) generation changes for each tested CNM. According to the sensitivity (growth rate inhibition) of P. purpureum, the used CNMs can be listed in the following order (EC50 in mg/L, 96 h): CNTs (2.08) > GrO (23.37) > Gr (94.88) > C60 (>131.0). The toxicity of CNTs was significantly higher than the toxic effect of the other used CNMs, and only this sample caused an increase in ROS generation in microalgae cells. This effect was apparently caused by the high affinity between particles and microalgae associated with the presence of exopolysaccharide coverage on P. purpureum cells. Full article
(This article belongs to the Special Issue Ecotoxicology of Various Chemicals and Nanoparticles in Aquatic Ecosystems)
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13 pages, 4101 KiB  
Article
The Impact of Metal-Based Nanoparticles Produced by Different Types of Underwater Welding on Marine Microalgae
by Konstantin Pikula, Konstantin Kirichenko, Vladimir Chernousov, Sergey Parshin, Alexander Masyutin, Yulia Parshina, Anton Pogodaev, Alexander Gridasov, Aristidis Tsatsakis and Kirill Golokhvast
Toxics 2023, 11(2), 105; https://0-doi-org.brum.beds.ac.uk/10.3390/toxics11020105 - 22 Jan 2023
Cited by 1 | Viewed by 1394
Abstract
Underwater wet welding is commonly used in joining pipelines and in underwater construction. Harmful and hazardous compounds are added to many flux-cored wires for underwater welding and cutting, and can have a negative impact on marine life. The specific objective of this study [...] Read more.
Underwater wet welding is commonly used in joining pipelines and in underwater construction. Harmful and hazardous compounds are added to many flux-cored wires for underwater welding and cutting, and can have a negative impact on marine life. The specific objective of this study was to evaluate the aquatic toxicity of two suspension samples obtained using welding electrode and flux-cored wire in marine microalgae Attheya ussuriensis and Porphyridium purpureum. Growth rate inhibition, cell size, and biochemical changes in microalgae were evaluated by flow cytometry. The results of the bioassay demonstrated that the suspension obtained after welding with electrode had an acute toxic impact on diatomic microalgae A. ussuriensis, and both tested suspensions revealed chronic toxicity in this microalga with a 40% growth rate inhibition after exposure to 40–50% of prepared suspensions for 7 days. Red algae P. purpureum revealed tolerance to both suspensions caused by exopolysaccharide covering, which prevents the toxic impact of metal cations such as Al, Ti, Mn, Fe, and Zn, which are considered the main toxic components of underwater welding emissions. Full article
(This article belongs to the Special Issue Ecotoxicology of Various Chemicals and Nanoparticles in Aquatic Ecosystems)
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18 pages, 14802 KiB  
Article
Evaluation of the Toxic Effect of Bauhinia purpurea Mediated Synthesized Silver Nanoparticles against In-vitro and In-vivo Models
by Nagarajan Shobana, Pandurangan Prakash, Antony V. Samrot, Subramanian Saigeetha, Mahendran Sathiyasree, Rajendran Thirugnanasambandam, Sridevi Visvanathan, Basanta Kumar Mohanty, Gokul Shankar Sabesan, Shanmugaboopathi Dhiva, Rajan Renuka Remya, Senthilkumar Pachiyappan and Samraj Wilson
Toxics 2023, 11(1), 9; https://0-doi-org.brum.beds.ac.uk/10.3390/toxics11010009 - 22 Dec 2022
Cited by 1 | Viewed by 1486
Abstract
Metal nanoparticles, such as gold nanoparticles, silver nanoparticles, etc., have many benefits and have been in use for a very long time. Nevertheless, a number of concerns have been raised about the environmental impact and the possibility of exposure to various living systems [...] Read more.
Metal nanoparticles, such as gold nanoparticles, silver nanoparticles, etc., have many benefits and have been in use for a very long time. Nevertheless, a number of concerns have been raised about the environmental impact and the possibility of exposure to various living systems at the moment. Thus, in this study, silver nanoparticles were synthesized by using plant gum from Bauhinia purpurea and characterization was done using UV—Visible Spectroscopy, Scanning Electron Microscopy, X—ray Diffraction, etc. To determine the accumulation and toxic effects caused by the nanoparticles, Eudrilus eugeniae, Danio rerio, and their embryos were exposed to the synthesized silver nanoparticles and evaluated using microscopic observation, histology, and Inductively Coupled Plasma Optical Emission Spectrometry (ICP—OES). Full article
(This article belongs to the Special Issue Ecotoxicology of Various Chemicals and Nanoparticles in Aquatic Ecosystems)
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Review

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13 pages, 1465 KiB  
Review
The Global Trend of Microplastic Research in Freshwater Ecosystems
by Yaochun Wang, Guohao Liu, Yixia Wang, Hongli Mu, Xiaoli Shi, Chao Wang and Naicheng Wu
Toxics 2023, 11(6), 539; https://0-doi-org.brum.beds.ac.uk/10.3390/toxics11060539 - 17 Jun 2023
Cited by 1 | Viewed by 1546
Abstract
The study of microplastics and their impact on aquatic ecosystems has received increasing attention in recent years. Drawing from an analysis of 814 papers related to microplastics published between 2013 and 2022 in the Web of Science Core Repository, this paper explores trends, [...] Read more.
The study of microplastics and their impact on aquatic ecosystems has received increasing attention in recent years. Drawing from an analysis of 814 papers related to microplastics published between 2013 and 2022 in the Web of Science Core Repository, this paper explores trends, focal points, and national collaborations in freshwater microplastics research, providing valuable insights for future studies. The findings reveal three distinct stages of microplastics: nascent development (2013–2015), slow rise (2016–2018), and rapid development (2019–2022). Over time, the focus of research has shifted from “surface”, “effect”, “microplastic pollution”, and “tributary” to “toxicity”, “species”, “organism”, “threat”, “risk”, and “ingestion”. While international cooperation has become more prevalent, the extent of collaboration remains limited, mostly concentrated among English-speaking countries or English and Spanish/Portuguese-speaking countries. Future research directions should encompass the bi-directional relationship between microplastics and watershed ecosystems, incorporating chemical and toxicological approaches. Long-term monitoring efforts are crucial to assessing the sustained impacts of microplastics. Full article
(This article belongs to the Special Issue Ecotoxicology of Various Chemicals and Nanoparticles in Aquatic Ecosystems)
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