Computational and Experimental Insights into Transformation of Environmental Pollutants

A special issue of Toxics (ISSN 2305-6304). This special issue belongs to the section "Novel Methods in Toxicology Research".

Deadline for manuscript submissions: 15 June 2026 | Viewed by 1701

Special Issue Editors


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Guest Editor
School of Environment and Spatial Informatics, China University of Mining and Technology, No. 1, Daxue Road, Xuzhou 221116, China
Interests: emerging contaminants; biotransformation; P450; computational toxicology; machine learning

Special Issue Information

Dear Colleagues,

The environmental fate and impact of pollutants are fundamentally governed by their transformation processes. Understanding these pathways—whether abiotic, microbial or within larger organisms—is crucial for assessing environmental persistence and human health risks. While experimental studies provide direct evidence of reaction pathways and products, computational approaches offer powerful tools to elucidate reaction mechanisms and predict kinetics. This Special Issue, “Computational and Experimental Insights into Transformation of Environmental Pollutants,” highlights the synergy between these paradigms. We encourage submissions that not only integrate advanced experimental and computational methods but also showcase the development and application of novel tools—such as the use of kinetic isotope effects (KIE) to elucidate reaction mechanisms, machine-learning models for pathway prediction and QSAR for toxicity assessment—to gain mechanistic insights. A key focus is on health implications, welcoming research on the biotransformation of pollutants in humans and model organisms, linking metabolic activation or detoxification to toxicological outcomes. Topics include, but are not limited to, the degradation of emerging contaminants; the formation, identity and toxicity of transformation products and the development of integrated frameworks for advancing environmental and human health-risk assessment.

Prof. Dr. Li Ji
Dr. Dong-Xing Guan
Prof. Dr. Piotr Paneth
Guest Editors

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Keywords

  • pollutant transformation
  • reaction mechanism
  • kinetic isotope effects (KIE)
  • computational toxicology
  • biotransformation
  • human health-risk assessment
  • transformation products
  • machine learning
  • environmental fate
  • emerging contaminants

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Published Papers (1 paper)

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Review

25 pages, 3255 KB  
Review
From Kitchen to Cell: A Critical Review of Microplastic Release from Consumer Products and Its Health Implications
by Zia Ur Rehman, Jing Song, Paolo Pastorino, Chunhui Wang, Syed Shabi Ul Hassan Kazmi, Chenzhe Fan, Zulqarnain Haider Khan, Muhammad Azeem, Khadija Shahid, Dong-Xing Guan and Gang Li
Toxics 2026, 14(1), 94; https://doi.org/10.3390/toxics14010094 - 20 Jan 2026
Viewed by 1460
Abstract
Microplastics (MPs) are pervasive environmental pollutants, widely distributed from aquatic ecosystems to the terrestrial food chain, and represent a potential route of human exposure. Although several reviews have addressed MP contamination, a critical synthesis focusing on pathways through which consumer goods directly enter [...] Read more.
Microplastics (MPs) are pervasive environmental pollutants, widely distributed from aquatic ecosystems to the terrestrial food chain, and represent a potential route of human exposure. Although several reviews have addressed MP contamination, a critical synthesis focusing on pathways through which consumer goods directly enter food and beverages, along with corresponding industry and regulatory responses, is lacking. This review fills this gap by proposing the direct release of MPs from common sources such as food packaging, kitchen utensils, and household appliances, linking the release mechanisms to human health risks. The release mechanisms of MPs under thermal stress, mechanical abrasion, chemical leaching, and environmental factors, as well as a risk-driven framework for MP release, are summarized. Human exposure through ingestion is the predominant route, while inhalation and dermal contact are additional pathways. In vitro and animal studies have associated MP exposure to inflammatory responses and oxidative stress, neurotoxicity, and genomic instability as endpoints, though direct causal evidence in humans remains lacking, and extrapolation from model systems necessitates caution. This review revealed that dietary intake from kitchen sources is the primary pathway for MP exposure, higher than the inhalation pathway. Most importantly, this review critically sheds light on the initiatives that should be taken by industries with respect to global strategies and new policies to alleviate these challenges. However, while there has been an upsurge in research commenced in this area, there are still research gaps that need to be addressed to explore food matrices such as dairy products, meat, and wine in the context of the supply chain. In conclusion, we pointed out the challenges that limit this research with the aim of improving standardization; research approaches and a risk assessment framework to protect health; and the key differences between MP and nanoplastic (NP) detection, toxicity, and regulatory strategies, underscoring the need for size-resolved risk assessments. Full article
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