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Selected Papers from the 10th International Conference on Environmental Management,...
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Selected Papers from the 10th International Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE 2023) and SECOTOX Conference

A special issue of Journal of Xenobiotics (ISSN 2039-4713). This special issue belongs to the section "Ecotoxicology".

Deadline for manuscript submissions: 1 October 2024 | Viewed by 2663

Special Issue Editors

Prof. Dr. Petros Samaras

E-Mail Website
Guest Editor
Laboratory of Technologies of Environmental Protection and Utilization of Food By-Products, Department of Food Science and Technology, International Hellenic University, Thessaloniki, Greece
Interests: wastewater management; environmental monitoring; environmental engineering; circular economy; green chemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Dorothea S. Kasiteropoulou

E-Mail Website
Co-Guest Editor
Department of Environmental Studies, University of Thessaly, Larisa, Greece
Interests: nanoparticle technology; modeling of complex environmental processes; nano- and meso-materials; industrial symbiosis; design and operation of antipollution technologies; cultiva-tion of microalgae and production of biogas
Dr. Christina Emmanouil

E-Mail Website
Co-Guest Editor
School of Spatial Planning and Development, Aristotle University of Thessaloniki, Thessaloniki, Greece
Interests: risk assessment of chemicals; REACH directive; environmental health; ecotoxicology; pesti-cide pollution
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The quest for worldwide financial development is never ending and currently involves both established (such as the EU or USA) and fast developing economies (such as the BRICs). In this race, sometimes the principles of sustainable development that encompass social justice and environmental protection are forgotten; as such, there may be incidents of point or diffuse pollution from anthropogenic activities. This dangerous deterioration may jeopardize human health and environmental quality, causing detrimental effects to biotic or abiotic components of the ecosystem. Furthermore, adaptation measures against climate change and novel circular business models of reuse and recycling may aggravate the (bio)accumulation of well-known or emerging pollutants within a semi-closed ecosystem. This risk has become a topic of major concern because chemical or biological agents are widely and increasingly used in multitude of activities, resulting in their continued release into the environment through several different routes.

This Special Issue aims to compile the current state of the art and provide future perspectives regarding environmental pollution solutions using a multidisciplinary approach towards topics, such as:

  • Occurrence of classic and emerging pollutants in different environmental compartments;
  • Analytical monitoring, quantification, and assessment;
  • Technical and/or biological treatment and removal through novel solutions;
  • Fate of pollutants in atmosphere, aquatic, or terrestrial ecosystems;
  • Toxicity and ecotoxicity transfer along the food chain;
  • Risk assessment, characterization, and mitigation;
  • In vitro, in vivo, and in silico approaches to analysis and quantification;
  • Energy-saving, decarbonization, and circular economy solutions and their effect on pollution aggravation or diminishment;
  • Simulation and forecast of pollutants in atmosphere, aquatic, or terrestrial ecosystems.

Prof. Dr. Petros Samaras
Dr. Dorothea S. Kasiteropoulou
Dr. Christina Emmanouil
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. Journal of Xenobiotics is an international peer-reviewed open access quarterly 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 1600 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

  • environmental pollution
  • fate and transfer of pollutants
  • circular economy
  • waste management
  • toxicity and ecotoxicity
  • risk assessment
  • energy decarbonization
  • environmentally friendly nanomaterials

Published Papers (3 papers)

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Research

13 pages, 4308 KiB  
Article
Exploring the Effects of Graphene-Based Nanoparticles on Early Salmonids Cardiorespiratory Responses, Swimming and Nesting Behavior
by Tomas Makaras, Magdalena Jakubowska-Lehrmann, Živilė Jurgelėnė and Sergej Šemčuk
J. Xenobiot. 2024, 14(2), 484-496; https://0-doi-org.brum.beds.ac.uk/10.3390/jox14020029 - 14 Apr 2024
Viewed by 363
Abstract
Graphene-based nanomaterials are exceptionally attractive for a wide range of applications, raising the likelihood of the release of graphene-containing nanoparticles into aquatic environments. The growing use of these carbon nanomaterials in different industries highlights the crucial need to investigate their environmental impact and [...] Read more.
Graphene-based nanomaterials are exceptionally attractive for a wide range of applications, raising the likelihood of the release of graphene-containing nanoparticles into aquatic environments. The growing use of these carbon nanomaterials in different industries highlights the crucial need to investigate their environmental impact and evaluate potential risks to living organisms. The current investigation evaluated the nanotoxicity of graphene (nanoflakes) and graphene oxide (GO) nanoparticles on the cardiorespiratory responses (heart rate, gill ventilation frequency), as well as the swimming and nesting behavioral parameters of early stage larvae and juvenile salmonids. Both short-term (96 h) and long-term (23 days) exposure experiments were conducted using two common species: brown trout (Salmo trutta) and rainbow trout (Oncorhynchus mykiss). The findings demonstrated notable alterations in fish nesting behavior, swimming performance, and cardiorespiratory functions, indicating the potential toxicity of nanoparticles. This impact was observed at both physiological and whole-organismal levels in salmonids at early stages. Future investigations should explore different types of nanocarbons and their potential enduring effects on fish population structure, considering not only individual survival but also broader aspects of development, including feeding, reproductive, and other social dynamics. Full article
(This article belongs to the Special Issue Selected Papers from the 10th International Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE 2023) and SECOTOX Conference)
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13 pages, 1983 KiB  
Article
Pyriproxyfen Contamination in Daphnia magna: Identifying Early Warning Biomarkers
by Beatriz Salesa, Javier Torres-Gavilá, María Dolores Ferrando-Rodrigo and Encarnación Sancho
J. Xenobiot. 2024, 14(1), 214-226; https://0-doi-org.brum.beds.ac.uk/10.3390/jox14010013 - 02 Feb 2024
Viewed by 620
Abstract
Pyriproxyfen is an insecticide currently employed in numerous countries for the management of agricultural and indoor pests. Several studies indicate that this insecticide has been detected in multiple rivers, with concentrations reaching as high as 99.59 ng/L in the Júcar River in Spain. [...] Read more.
Pyriproxyfen is an insecticide currently employed in numerous countries for the management of agricultural and indoor pests. Several studies indicate that this insecticide has been detected in multiple rivers, with concentrations reaching as high as 99.59 ng/L in the Júcar River in Spain. Therefore, the determination of some biochemical and genetic effects of this insecticide on aquatic organisms could serve as an early warning mechanism to identify potential disruptions in various biomarkers. Based on this, Daphnia magna organisms were exposed to pyriproxyfen sublethal concentrations for 21 days. Some biochemical parameters, including cholesterol, triglycerides, glucose, lactate, and LDH activity, were determined. Additionally, some genetic biomarkers associated with oxidative stress, heat shock proteins, lipid metabolism, hemoglobin, metallothioneins, and vitellogenin synthesis were evaluated in daphnids exposed to the insecticide for 21 days. LDH activity increased significantly in those daphnids exposed to the highest insecticide concentration (14.02 µg/L), while cholesterol levels decreased significantly. In contrast, glucose, total proteins, and triglycerides remained unaffected in D. magna exposed to pyriproxyfen. On the other hand, exposure to the insecticide led to notable alterations in gene expression among individuals. Specifically, genes associated with lipid metabolism and reproduction exhibited a significant reduction in gene expression. Fabd expression was decreased by approximately 20% in exposed daphnids, while vtg expression was suppressed as much as 80% when compared to control values. Furthermore, it was observed that the hgb1 and hgb2 genes, associated with hemoglobin synthesis, exhibited significant overexpression. Notably, the dysfunction observed in both hemoglobin genes was linked to an increase in pigmentation in Daphnia magna during the course of the experiment. These alterations in gene expression could serve as effective indicators of early contamination even at low pesticide concentrations. Full article
(This article belongs to the Special Issue Selected Papers from the 10th International Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE 2023) and SECOTOX Conference)
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19 pages, 6516 KiB  
Article
Anthropogenic Microparticles in Sea-Surface Microlayer in Osaka Bay, Japan
by Mi Zhou, Hirofumi Yanai, Chee Kong Yap, Christina Emmanouil and Hideo Okamura
J. Xenobiot. 2023, 13(4), 685-703; https://0-doi-org.brum.beds.ac.uk/10.3390/jox13040044 - 07 Nov 2023
Viewed by 938
Abstract
The abundance, distribution, and composition of microparticles (MPs) in the sea-surface microlayer (S-SML, less than 100 μm of sea surface in this experiment) and in bulk water (1 m under the sea surface) were investigated to evaluate the pollution level of MPs in [...] Read more.
The abundance, distribution, and composition of microparticles (MPs) in the sea-surface microlayer (S-SML, less than 100 μm of sea surface in this experiment) and in bulk water (1 m under the sea surface) were investigated to evaluate the pollution level of MPs in Osaka Bay in Japan. Both seawater fractions were collected at eight sites including ship navigation routes, the coastal area, and the center of Osaka Bay for 2021–2023. MPs were filtered for four size ranges (10–53, 53–125, 125–500, and >500 μm) and then digested with H2O2. MPs’ abundance was microscopically assessed; and polymer types of MPs were identified by a Fourier transform infrared spectrometer (FTIR). For the 22 collections performed along eight sites, the average MPs’ abundance was 903 ± 921 items/kg for S-SML, while for the 25 collections performed along the same sites, the average MPs’ abundance was 55.9 ± 40.4 items/kg for bulk water, respectively. MPs in both S-SML and bulk water exhibited their highest abundance along the navigation routes. The smallest MPs (10–53 μm) accounted for 81.2% and for 62.2% of all MPs in S-SML and in bulk water among all sites, respectively. Polymethyl methacrylate (PMMA) was the major type of MPs identified while minor ones were polyethylene, polyesters, polystyrene, polypropylene, polyvinyl chloride, polyamide, etc. PMMA comprised 95.1% of total MPs in S-SML and 45.6% of total MPs in bulk water. In addition, PMMA accounted for 96.6% in S-SML and 49.5% in bulk water for the smallest MP category (10–53 μm). It can be assumed that the MP sources were marine paints—primarily APPs (antifouling paint particles)—as well as land coatings. Sea pollution due to microparticles from ship vessels should be given proper attention. Full article
(This article belongs to the Special Issue Selected Papers from the 10th International Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE 2023) and SECOTOX Conference)
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