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Toxics
Special Issues
Exposure and Toxicity of Emerging Organic Pollutants in Soil
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Exposure and Toxicity of Emerging Organic Pollutants in Soil

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

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 832

Special Issue Editors

Dr. Shuyan Zhao

E-Mail Website
Guest Editor
Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China
Interests: environmental behaviors of pollutants; environmental monitoring and analysis of pollutants; toxicity of organic pollutants on organisms; bioaccumulation and biodegradation of organic pollutants in plants and animals
Dr. Lixia Zhao

E-Mail Website
Guest Editor
Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
Interests: environmental monitoring and risk assessment of emerging organic pollutants (EOPs) in soil; migration and transformation of EOPs in soil; toxicological effects of EOPs on organisms; bioremediation of organic pollutants in soil
Dr. Shuhong Fang

E-Mail Website
Guest Editor
College of Resources and Environment, Chengdu University of Information Technology, Chengdu 610225, China
Interests: environmental behaviors of organic pollutants; risk assessment of POPs

Special Issue Information

Dear Colleagues,

Emerging organic pollutants (EOPs) include antibiotics, personal care products, biocides, and industrial chemicals. The soil pollution generated by EOPs produces serious toxic residues that are detrimental to the environment and human health; this has become one of the greatest environmental challenges throughout the world. It is vital that the exposure and toxicity of EOPs in soil are investigated. Future research should provide further data regarding the exposure and toxicological effects of EOPs on organisms at various levels (molecular, cellular, individual, species, population and ecosystem).

This Special Issue welcomes papers on all relevant topics, including, but not limited to, the following:

  1. Detection techniques and assessment methods employed for EOPs in soils.
  2. Environmental monitoring and analysis of EOPs in soils.
  3. Toxicity characterization, bioaccumulation, transformation and degradation of EOPs in plants and animals.
  4. Microbial degradation of EOPs in soils.
  5. Remediation technologies and materials to reduce soil EOP pollutants or their bioavailability.
  6. Biotransformation of EOPs the rhizosphere and their absorption, transfer, and transformation in crops.

Dr. Shuyan Zhao
Dr. Lixia Zhao
Dr. Shuhong Fang
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 behaviors
  • detection techniques and assessment methods
  • toxicity characterization
  • bioaccumulation, transformation and degradation
  • environmental monitoring and analysis

Published Papers (1 paper)

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Research

26 pages, 4226 KiB  
Article
Influence of Four Veterinary Antibiotics on Constructed Treatment Wetland Nitrogen Transformation
by Matthew V. Russell, Tiffany L. Messer, Deborah A. Repert, Richard L. Smith, Shannon Bartelt-Hunt, Daniel D. Snow and Ariel P. Reed
Toxics 2024, 12(5), 346; https://doi.org/10.3390/toxics12050346 - 8 May 2024
Viewed by 548
Abstract
The use of wetlands as a treatment approach for nitrogen in runoff is a common practice in agroecosystems. However, nitrate is not the sole constituent present in agricultural runoff and other biologically active contaminants have the potential to affect nitrate removal efficiency. In [...] Read more.
The use of wetlands as a treatment approach for nitrogen in runoff is a common practice in agroecosystems. However, nitrate is not the sole constituent present in agricultural runoff and other biologically active contaminants have the potential to affect nitrate removal efficiency. In this study, the impacts of the combined effects of four common veterinary antibiotics (chlortetracycline, sulfamethazine, lincomycin, monensin) on nitrate-N treatment efficiency in saturated sediments and wetlands were evaluated in a coupled microcosm/mesocosm scale experiment. Veterinary antibiotics were hypothesized to significantly impact nitrogen speciation (e.g., nitrate and ammonium) and nitrogen uptake and transformation processes (e.g., plant uptake and denitrification) within the wetland ecosystems. To test this hypothesis, the coupled study had three objectives: 1. assess veterinary antibiotic impact on nitrogen cycle processes in wetland sediments using microcosm incubations, 2. measure nitrate-N reduction in water of floating treatment wetland systems over time following the introduction of veterinary antibiotic residues, and 3. identify the fate of veterinary antibiotics in floating treatment wetlands using mesocosms. Microcosms containing added mixtures of the veterinary antibiotics had little to no effect at lower concentrations but stimulated denitrification potential rates at higher concentrations. Based on observed changes in the nitrogen loss in the microcosm experiments, floating treatment wetland mesocosms were enriched with 1000 μg L−1 of the antibiotic mixture. Rates of nitrate-N loss observed in mesocosms with the veterinary antibiotic enrichment were consistent with the microcosm experiments in that denitrification was not inhibited, even at the high dosage. In the mesocosm experiments, average nitrate-N removal rates were not found to be impacted by the veterinary antibiotics. Further, veterinary antibiotics were primarily found in the roots of the floating treatment wetland biomass, accumulating approximately 190 mg m−2 of the antibiotic mixture. These findings provide new insight into the impact that veterinary antibiotic mixtures may have on nutrient management strategies for large-scale agricultural operations and the potential for veterinary antibiotic removal in these wetlands. Full article
(This article belongs to the Special Issue Exposure and Toxicity of Emerging Organic Pollutants in Soil)
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