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Toxics
Special Issues
Biomonitoring of Toxic Elements and Emerging Pollutants
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Biomonitoring of Toxic Elements and Emerging Pollutants

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

Deadline for manuscript submissions: 31 October 2025 | Viewed by 1335

Special Issue Editors

Prof. Dr. Miguel Motas Guzmán

E-Mail Website
Guest Editor
Toxicology Area, Department of Social and Health Sciences, University of Murcia, 30100 Murcia, Spain
Interests: biomonitoring; biomagnification; environmental pollutants; emerging pollutants; heavy metals; pesticides; risk assessment; persistent organic pollutants (POPs); ecotoxicology
Special Issues, Collections and Topics in MDPI journals
Dr. Pedro Andreo-Martínez

E-Mail Website
Guest Editor
Department of Agricultural Chemistry, Faculty of Chemistry, University of Murcia Regional Campus of International Excellence “Campus Mare Nostrum”, Campus of Espinardo, 30100 Murcia, Spain
Interests: agricultural chemistry; chromatography; environmental chemistry; pesticides; wastewater
Dr. Juan Jose Ramos

E-Mail Website
Guest Editor
National Centre for Environmental Health, Instituto de Salud Carlos III, Madrid, Spain
Interests: emerging contaminants; biomonitoring; analytical chemistry; chromatography and mass spectrometry; persistent organic pollutants; toxicology; human health

Special Issue Information

Dear Colleagues,

Environmental toxicology is one of the most interdisciplinary sciences in existence. Veterinarians, physicians, biologists, chemists and other scientists work in this promising and current scientific discipline within their scientific field. Biomonitoring is defined as the estimation of exposure to chemical substances present in the environment by direct measurement of these substances or their derivatives in biological samples. Biological monitoring studies provide a very useful tool in public health to determine the exposure to environmental contaminants, allowing us to identify and eliminate possible sources of exposure, study relationships between contaminants and health effects, identify population groups vulnerable to certain contaminants and set priorities in research on the environment and health. Biomonitoring is also used in health policies, as a basis for the development of laws aimed at reducing contamination by chemical products. We would like to invite you to submit a manuscript related to your work on biomonitoring of organic or inorganic contaminants in living beings. The aim is to cover anthropogenic and natural pollution, using both experimental and theoretical approaches, as well as new developments in methodology. Of interest are monitoring and analysis of pollutant levels, sources and transport of toxic substances, statistical analysis and prediction of future trends, effects of pollution on biological and biochemical processes, as well as strategies to prevent and eliminate pollution and establish tolerable levels. Manuscripts will be published in this Special Issue of the journal Toxics (impact factor 3.9). Toxics is a highly respected MDPI publication with increasing visibility and exposure for scientists from around the world.

Prof. Dr. Miguel Motas Guzmán
Dr. Pedro Andreo-Martínez
Dr. Juan Jose Ramos
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

  • environmental health risks
  • bioaccumulation
  • biomonitoring
  • ecotoxicity
  • emerging contaminants
  • one health
  • biological effect monitoring
  • laboratory tests and validation

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

17 pages, 744 KiB  
Article
Quantitative Detection of Micro- and Nanoplastics (≥300 nm) in Human Urine Using Double-Shot Py-GC/MS with Internal Standard Calibration
by Shanshan Ji, Wei Wang, Yong Wang, Hexiang Bai, Zhuo Li, Zongli Huo and Kai Luo
Toxics 2025, 13(6), 452; https://doi.org/10.3390/toxics13060452 - 29 May 2025
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Abstract
The rapid increase in plastic production and consumption has intensified research into human exposure to micro- and nanoplastics (MNPs) and their health effects. This study quantitatively assessed MNP internal exposure levels in non-invasive human samples, focusing on the four most common types of [...] Read more.
The rapid increase in plastic production and consumption has intensified research into human exposure to micro- and nanoplastics (MNPs) and their health effects. This study quantitatively assessed MNP internal exposure levels in non-invasive human samples, focusing on the four most common types of MNPs (≥300 nm): polyethylene terephthalate (PET), polypropylene (PP), low-density polyethylene (LDPE), and polystyrene (PS). Urine samples from 18 volunteers (4 males, 14 females) were analyzed using pyrolysis–gas chromatography–mass spectrometry (Py-GC/MS) with P(E-13C2) as an internal standard. The study developed a straightforward yet effective analytical approach for quantifying MNPs in biological fluids. MNPs were detected in all urine samples, with concentrations ranging from 0.098 to 0.986 μg/mL and an average concentration of 0.268 ± 0.235 μg/mL. LDPE, 0.074 μg/mL (interquartile range: 0.030–0.243 μg/mL), was the most abundant polymer, accounting for 67.72% of the total MNPs, followed by PS at 21.17%, while PP and PET accounted for 7.06% and 4.05%, respectively. The results also suggest that drinking water type may serve as a distinct source of MNPs in urine. This study provides novel evidence on MNP (≥300 nm) internal exposure in humans and the influence of drinking habits, highlighting the application prospects of this method in assessing the potential health risks of MNPs. Full article
(This article belongs to the Special Issue Biomonitoring of Toxic Elements and Emerging Pollutants)
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25 pages, 2388 KiB  
Article
PCBs in Chinstrap Penguins from Deception Island (South Shetland Islands, Antarctica)
by Miguel Motas, Silvia Jerez-Rodríguez, José Manuel Veiga-del-Baño, Juan José Ramos, José Oliva, Miguel Ángel Cámara, Pedro Andreo-Martínez and Simonetta Corsolini
Toxics 2025, 13(6), 430; https://doi.org/10.3390/toxics13060430 - 24 May 2025
Viewed by 592
Abstract
The aim of this study was to evaluate the concentration of polychlorinated biphenyls (PCBs) in chinstrap penguins (Pygoscelis antarctica) and krill (Euphausia superba) from Deception Island (South Shetland Islands, Antarctica) to provide additional data of the PCB presence in [...] Read more.
The aim of this study was to evaluate the concentration of polychlorinated biphenyls (PCBs) in chinstrap penguins (Pygoscelis antarctica) and krill (Euphausia superba) from Deception Island (South Shetland Islands, Antarctica) to provide additional data of the PCB presence in Antarctica. To this end, 34 samples of different tissues corresponding to four adult specimens and six chicks, and krill from the area were studied. The selected samples were analyzed for the determination of 27 congeners of PCBs by gas chromatography. Adult specimens accumulated PCBs mainly in the liver (33%, 1330.82 ± 733.69 pg·g−1 wet weight, w.w.) and muscle (25%, 1029.73 ± 823.4 pg·g−1 w.w.), whereas the brain showed the highest levels in chicks (36%, 1215.83 ± 955.19 pg·g−1 w.w.). Regarding krill, our results were five to eight times lower than the levels found in krill from King George Island and from the Ross Sea. Further, a distribution analysis of PCBs in penguins according to Regulation 2013/39/UE and Commission Regulation (EU) No 277/2012 was also performed, and PCBs were categorized into three groups (dioxin-like-mono-ortho, non-dioxin-like-indicators, and others-non-dioxin-like). The data indicate that the content of the other group was generally higher than that of the other two PCB groups for both adults and chicks. Notably, the liver consistently exhibited the highest proportion of the other group. Full article
(This article belongs to the Special Issue Biomonitoring of Toxic Elements and Emerging Pollutants)
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