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Water
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Sources, Fate, and Environmental Impacts of PFAS in Aquatic Ecosystems
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Sources, Fate, and Environmental Impacts of PFAS in Aquatic Ecosystems

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Biodiversity and Functionality of Aquatic Ecosystems".

Deadline for manuscript submissions: 20 March 2025 | Viewed by 1550

Special Issue Editors

Dr. Mohammad Boshir Ahmed

E-Mail Website
Guest Editor
Institute for Sustainability, Energy and Resources, School of Chemical Engineering, The University of Adelaide, North Terrace, SA 5005, Australia
Interests: carbon fiber; hydrogel fiber; biomaterial; energy; agricultural; composite materials
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. John Zhou

E-Mail Website
Guest Editor
School of Civil and Environmental Engineering, Faculty of Engineering and I.T., University of Technology Sydney, Ultimo, NSW 2007, Australia
Interests: water and wastewater treatment technology; renewable energy generation; remote sensing of vehicle emissions; environmental processes; contaminated land remediation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Per- and Polyfluorinated Substances (PFAS) are the so-called forever chemicals, as a result of their extremely high persistence in the environment. PFAS are widely used in everyday products, as well as industrial activiites such as fire fighting, hence, PFAS are discharged daily into water and soil environments. In addition, there are evidences that PAFS can migrate to plants and aquaitc organisms, thereby affecting aquatic ecosystems. Extensive research has been conducted on PFAS sources, behaviour and toxicity. However, such studies are often confined to specific environment (water, soil etc), or limited number of compounds (as few as one compound). The presence of multiple PFAS including newer compounds are under-explored, especially their multi-media interactions and mixture effects on plants, animals and potentually human health.

This Special Issue aims to gather current research on PFAS mixtures especially newer compounds in the different environmental compartments, including their sources, environmental behaviour and adverse impacts. Both orignal research and critical review articles are welcome. In addition to experimental studies, modeling work by using machine learning and other AI tools are valuable contributions.

Dr. Mohammad Boshir Ahmed
Prof. Dr. John Zhou
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. Water is an international peer-reviewed open access semimonthly 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

  • PFAS
  • water quality
  • groundwater
  • toxicity
  • persistence
  • plants
  • remediation

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Published Papers (1 paper)

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Research

20 pages, 2638 KiB  
Article
Green Analytical Method for Perfluorocarboxylic Acids (PFCAs) in Water of Stir Bar Sorptive Extraction Coupled with Thermal Desorption–Gas Chromatography—Mass Spectroscopy
by Ahsan Habib, Elizabeth Noriega Landa, Kiana L. Holbrook, Angelica A. Chacon and Wen-Yee Lee
Water 2024, 16(17), 2543; https://doi.org/10.3390/w16172543 - 8 Sep 2024
Viewed by 1084
Abstract
Perfluoroalkyl carboxylic acids (PFCAs) are a significant group of per- and polyfluoroalkyl substances (PFASs). They are persistent organic chemicals manufactured for their resistance to heat, water, and stains. PFCAs are ubiquitous in the environment, particularly in surface water and wastewater, because they are [...] Read more.
Perfluoroalkyl carboxylic acids (PFCAs) are a significant group of per- and polyfluoroalkyl substances (PFASs). They are persistent organic chemicals manufactured for their resistance to heat, water, and stains. PFCAs are ubiquitous in the environment, particularly in surface water and wastewater, because they are widely used in everyday consumer products. This contamination poses a risk to drinking water supplies and human health, necessitating sensitive and effective analytical methods. Traditional liquid chromatography–tandem mass spectrometry (LC-MS/MS) is commonly used but involves complex sample handling and high costs. In this study, we developed an enhanced stir bar sorptive extraction (SBSE) method coupled with thermal desorption–gas chromatography–mass spectrometry (TD-GC-MS) for the analysis of PFCAs in water. This method demonstrates linearity, with R2 values from 0.9892 to 0.9988, and low limits of detection (LOD) between 21.17 ng/L and 73.96 ng/L. Recovery rates varied from 47 to 97%, suggesting efficient extraction. Compared to traditional methods, the developed SBSE technique requires only a 1 mL sample volume and minimal amounts of solvents, enhancing eco-friendliness and reducing potential contamination and handling errors. This method also demonstrated good precision and robustness across various water matrices. Overall, the developed method offers a precise, eco-friendly, and reliable approach for analyzing PFCAs in diverse water samples. Full article
(This article belongs to the Special Issue Sources, Fate, and Environmental Impacts of PFAS in Aquatic Ecosystems)
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