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Persistent Toxic Substances and Public Health
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Persistent Toxic Substances and Public Health

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Health".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 4416

Special Issue Editors

Prof. Dr. Jun Jin

E-Mail Website
Guest Editor
College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
Interests: emerging persistent organic pollutants; pollution control technology; Sources, distribution and fate; human exposure; health risk assessment
Dr. Junyu Guo

E-Mail Website
Guest Editor
College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
Interests: environmental behavior and human health risks of emerging contaminants
Special Issues, Collections and Topics in MDPI journals
Dr. Chang He

E-Mail Website
Guest Editor
QAEHS, Queensland Alliance for Environmental Health Sciences, The University of Queensland, Brisbane 4102, Australia
Interests: human biomonitoring; exposure pathways; biomarkers; biotransformation; wastewater based epidemiology; non-target analysis
Dr. Jicheng Hu

E-Mail Website
Guest Editor
College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
Interests: dioxins and dioxin-like compounds; environmental behaviors; source apportionment; persistent organic pollutants; risk assessment

Special Issue Information

Dear Colleagues, 

Persistent toxic substances (PTSs) are ubiquitous in most environmental compartments and human tissues. Due to their adverse effects on the environment and humans, there are increasing regulations on the use and production of PTSs, both worldwide and regionally. In the meantime, some contaminants of emerging concern (CECs) have been used as replacements of traditional PTSs, while some CECs have also showed potential persistency, bioaccumulation, and toxicity to humans. However, the sources, distribution, and fate of emerging PTSs in the environment remain unclear, which are the bottlenecks of further risk assessment on ecological and human health, and both internal and external exposure data to emerging PTSs are scarce. Researchers throughout the world studying PTS monitoring, modeling and health risk assessment are invited to contribute research in this Special Issue.

In this Special Issue, original research articles and reviews are welcome. The Special issue will cover (but is not limited to) the following topics:

  1. Development of analytical methods for PTSs in various environmental compartments;
  2. Evaluation of sources, occurrence and fate of PTSs of concern in various environment media (air, water, soil, sediment, biota);
  3. Identification of new contaminants of emerging concern with PTS potential in the environment;
  4. Ecological and human health risk assessments.

Prof. Dr. Jun Jin
Dr. Junyu Guo
Dr. Chang He
Dr. Jicheng Hu
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. International Journal of Environmental Research and Public Health 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 2500 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

  • persistent toxic substances
  • sources, distribution and fate
  • human exposure
  • health risk assessment
  • ecological risk assessment, emerging contaminants

Published Papers (3 papers)

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Research

22 pages, 14144 KiB  
Article
Distribution Characteristics and Source Analysis of Nitrogen and Phosphorus in Different Rivers in Two Water Period: A Case Study of Pi River and Shiting River in the Upper Reaches of Tuo River in China
by Tongfei Li, Pingyan Zhou, Yunchang Ding, Qiding Tang, Shanshan Zhou and Ying Liu
Int. J. Environ. Res. Public Health 2022, 19(19), 12433; https://doi.org/10.3390/ijerph191912433 - 29 Sep 2022
Cited by 7 | Viewed by 1329
Abstract
In this paper, the distribution characteristics of total nitrogen (TN), total phosphorus (TP) and fractions of nitrogen and phosphorus in water and surface sediments of the Pi and Shiting rivers in the dry and wet seasons were studied by molybdenum blue/ascorbic acid spectrophotometry [...] Read more.
In this paper, the distribution characteristics of total nitrogen (TN), total phosphorus (TP) and fractions of nitrogen and phosphorus in water and surface sediments of the Pi and Shiting rivers in the dry and wet seasons were studied by molybdenum blue/ascorbic acid spectrophotometry and Standard Measurements and Testing (SMT). Correlation analysis, cluster analysis and principal component analysis were used to identified nitrogen and phosphorus pollution sources. The results showed that: (1) nitrogen and phosphorus in water and surface sediments in the study area were at different levels. (2) In the Pi river, the decomposition of animal and plant residues, the leachate from the accumulation of aquaculture wastewater and urban domestic sewage were the main sources of nitrogen and phosphorus pollution, while in the Shiting river, the unreasonable application of pesticides and fertilizers, the degradation of animal and plant residues, agricultural wastewater from agricultural drainage channels, industrial production wastewater and the weathering of agricultural wastes had a great impact on the nitrogen and phosphorus pollution. The results in this study provide reliable experimental data and a reference to local relevant departments for the implementation of effective control measures for the reduction of the nitrogen and phosphorus pollution load in the river basin. Full article
(This article belongs to the Special Issue Persistent Toxic Substances and Public Health)
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16 pages, 3488 KiB  
Article
Spatial Distributions and Intrinsic Influence Analysis of Cr, Ni, Cu, Zn, As, Cd and Pb in Sediments from the Wuliangsuhai Wetland, China
by Huilan Zhang, Piaopiao Liang, Ying Liu, Xinglei Wang, Yahong Bai, Yunxin Xing, Chunli Wei, Yuanyuan Li, Yiming Liu and Yu Hu
Int. J. Environ. Res. Public Health 2022, 19(17), 10843; https://doi.org/10.3390/ijerph191710843 - 31 Aug 2022
Cited by 4 | Viewed by 1218
Abstract
The spatial distributions of Cr, Ni, Cu, Zn, As, Cd and Pb (potentially toxic elements, PTEs) in sediments and intrinsic influence factors from the Wuliangsuhai wetland of the Hetao Irrigation District, China were studied in this work. The results showed that excluding Zn, [...] Read more.
The spatial distributions of Cr, Ni, Cu, Zn, As, Cd and Pb (potentially toxic elements, PTEs) in sediments and intrinsic influence factors from the Wuliangsuhai wetland of the Hetao Irrigation District, China were studied in this work. The results showed that excluding Zn, the total contents of other PTEs were higher than the background values, of which As (39.26 mg·kg−1) and Cd (0.44 mg·kg−1) were six-fold and seven-fold higher, respectively. Especially, the high levels of Cd (70.17%), Pb (66.53%), and Zn (57.20%) in the non-residual fraction showed high bioavailability and mobility. It indicated that PTEs can enter the food chain more easily and produce much toxicity. Based on Igeo, ICF, and MRI, the contamination of As was the most serious in the middle areas (MDP) of the wetland, and its risk was up to moderately strong. Cd and Pb posed moderate and considerate risk, respectively. Furthermore, 29.50% and 55.54% risk contribution ratio of As and Cd, respectively, showed that they were the dominant contaminants. In addition, the positive correlation between sand, OM, and total contents and chemical fractions of PTEs by using PCM, RDA, and DHCA indicated that physicochemical properties could significantly influence the spatial distributions of PTEs. The work was useful for assessing the level of pollution in the study area and acquiring information for future and possible monitoring and remediation activities. Full article
(This article belongs to the Special Issue Persistent Toxic Substances and Public Health)
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11 pages, 2032 KiB  
Article
Factors Influencing Dechlorane plus Distributions in Various Sheep Tissues
by Hongli Jin, Wenming Chen, Junsong Bao, Te Bu, Tianwei Li, Yiming Liu, Yanli Liu and Jun Jin
Int. J. Environ. Res. Public Health 2022, 19(13), 8004; https://doi.org/10.3390/ijerph19138004 - 29 Jun 2022
Cited by 1 | Viewed by 1156
Abstract
Dechlorane plus (DP) is a potential persistent organic pollutant and its distribution in various tissues and organs of terrestrial organisms is currently unknown. DP concentrations in sheep tissues were determined in this study. The DP concentrations in the tissues decreased in the following [...] Read more.
Dechlorane plus (DP) is a potential persistent organic pollutant and its distribution in various tissues and organs of terrestrial organisms is currently unknown. DP concentrations in sheep tissues were determined in this study. The DP concentrations in the tissues decreased in the following order: abdominal fat > liver > stomach > heart > outer tenderloin > lung > hind leg meat > kidney > small intestine > tail fat > spleen > brain. Apart from brain and fat, anti-DP is enriched more readily than syn-DP in sheep tissues, but syn-DP is more readily enriched in brain and abdominal fat. The factors influencing DP distributions in sheep tissues were assessed by determining the DP to sheep serum albumin binding forces, binding types, and binding sites by fluorescence spectroscopy. The results indicated that anti-DP more readily binds to sheep serum albumin than does syn-DP. Therefore, sheep serum albumin will more readily transport anti-DP than syn-DP to sheep tissues, and anti-DP will be enriched more than syn-DP in the tissues. The molecular diameter of DP is the main factor affecting DP concentrations in sheep brain and fat because of the blood–brain barrier and because the main source of DP to abdominal fat is dermal contact. Full article
(This article belongs to the Special Issue Persistent Toxic Substances and Public Health)
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