Emerging Methodologies in Toxicology for Environmental Safety Assessment

A special issue of Toxics (ISSN 2305-6304).

Deadline for manuscript submissions: 20 October 2025 | Viewed by 319

Special Issue Editors


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Guest Editor
Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, 08034 Barcelona, Spain
Interests: zebrafish; toxicology; biomarkers; neurotoxicity; behaviour; adverse outcome pathways
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona, 18, 08034 Barcelona, Spain
Interests: neurosciences; neurotoxicity; cardiotoxicity aquatic toxicology; physiology; behavioural sciences; zebrafish; daphnia magna; oryzias latipes; dicentrarchus labrax

Special Issue Information

Dear Colleagues,

The number of new substances and products being introduced into our daily lives is rapidly increasing and the rate of emergence continues to accelerate. However, the methods available to evaluate their safety are not keeping pace. This widening gap between the need for safety assessments and the capacity to conduct them highlights the urgent necessity for a fundamental shift in toxicology evaluation methods, a shift from primarily in vivo animal studies to in silico assessments, in vitro assays, in vivo assays with lower organisms, and computational modeling for toxicity assessments. Thus, emerging methodologies, such as toxicogenomics, high-throughput screening (HTS) techniques, new approach methodologies (NAMs), and predictive computational models—as well as integrated testing strategies such as adverse outcome pathways (AOPs) or integrated approaches for testing and assessment (IATA) in toxicology—are transforming environmental safety assessments by enhancing our understanding of how contaminants affect humans health and ecosystems. These innovative approaches aim to enhance the precision and efficiency of environmental safety assessments, contributing to more informed decision-making in public health and environmental protection.

As the landscape of toxicology rapidly evolves, the need for safety assessment methods has never been more critical. This Special Issue provides a platform for scientists to showcase cutting-edge research on emerging methodologies. By contributing with your work, you will help shape the future of environmental safety assessment, drive regulatory advancements, and foster a paradigm shift toward more predictive, ethical, and high-impact toxicology. Join us here in advancing science for a safer and more sustainable world!

Dr. Melissa Faria
Dr. Juliette Bedrossiantz
Dr. Miguel Oliveira
Guest Editors

Manuscript Submission Information

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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

  • toxicology
  • chemical safety
  • emerging contaminants
  • integrated approaches
  • predictive modeling
  • new methodology approaches
  • high-throughput screening
  • adverse-outcome pathways
  • risk assessment
  • One Health

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Published Papers (1 paper)

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Research

24 pages, 3598 KiB  
Article
Assessment of Organic Pollutants Desorbed from Plastic Litter Items Stranded on Cadiz Beaches (SW Spain)
by Juan Manuel Traverso-Soto, Manuel Figueredo, Irene Punta-Sánchez, Olivia Campana, Elisabetta Ciufegni, Miriam Hampel, Joana Buoninsegni, Manuel A. Manzano Quiñones and Giorgio Anfuso
Toxics 2025, 13(8), 673; https://doi.org/10.3390/toxics13080673 - 9 Aug 2025
Viewed by 119
Abstract
This paper constitutes a preliminary study that evaluates the organic pollutants desorbed from “fresh” plastic litter, i.e., recently stranded items, on three beaches in Cadiz (SW Spain): Bajo de Guia, La Jara, and La Puntilla. Beach litter items were collected and classified in [...] Read more.
This paper constitutes a preliminary study that evaluates the organic pollutants desorbed from “fresh” plastic litter, i.e., recently stranded items, on three beaches in Cadiz (SW Spain): Bajo de Guia, La Jara, and La Puntilla. Beach litter items were collected and classified in laboratory according to their composition and use. Leachates were obtained by stir bar sorptive extraction (SBSE) and analysed with gas chromatography–mass spectrometry (GC–MS). Fifty-five target organic compounds—including polycyclic aromatic hydrocarbons (PAHs), pesticides, fragrances, insect repellents, and UV filters—were quantified. Plastics accounted for the majority of litter by both number and weight. Cigarette butts and wipes were also prevalent and served as key sources of leachable PAHs. With respect to the main pollutants found in plastic films, hard plastics, and wipes, fragrances such as OTNE1 (1-Tetramethyl Acetyloctahydronaphthalene), OTNE2 (2-Tetramethyl Acetyloctahydronaphthalene), DEET (N, N-Diethyl-Meta-Toluamide), galaxolide, and tonalide were dominant, with concentrations exceeding 100 ng/g in some cases. DEET was the most common insect repellent detected. These findings underscore the role of beach litter, especially plastic waste, as a vector for persistent and emerging organic pollutants, highlighting the urgent need for improved waste management and monitoring practices to mitigate ecological risks associated with plastic pollution. Full article
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