Antibiotics in the Environment: Sources, Fate, and Mitigation Strategies

A special issue of Antibiotics (ISSN 2079-6382).

Deadline for manuscript submissions: 31 October 2025 | Viewed by 543

Special Issue Editor


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Guest Editor
Department of Process Engineering and Applied Science, Dalhousie University, Halifax, NS, Canada
Interests: water treatment; emerging contaminants; adsorption; life cycle assessment

Special Issue Information

Dear Colleagues,

Antibiotic contamination in the environment is an urgent challenge with far-reaching implications for both ecological balance and public health. The relentless influx of antibiotics into our ecosystems—stemming from agricultural runoff, wastewater discharges, and industrial practices—creates a complex web of environmental contamination that disrupts natural processes and fosters the spread of antibiotic-resistant genes. This Special Issue aims to dissect the multifaceted journey of antibiotics from their sources to their environmental fate, examining their persistence, degradation, and transport mechanisms across various matrices such as soil, water, and sediments. We seek to unravel how these contaminants impact microbial communities, wildlife, and human health and explore innovative strategies for their mitigation. By addressing these critical aspects, we hope to provide a comprehensive understanding of the problem and propose effective solutions to curtail antibiotic pollution. In this Special Issue, manuscripts that contribute to novel detection methods, advanced treatment technologies, and policy interventions are especially encouraged, as they will contribute to advancing our collective effort to combat this pervasive environmental issue.

Dr. Khaled Benis
Guest Editor

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.

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 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

  • antibiotic contamination
  • environmental fate
  • antibiotic resistance
  • mitigation strategies
  • pollution management

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Published Papers (1 paper)

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Research

25 pages, 4512 KiB  
Article
Efficient Removal of Tetracyclines and Their Metabolites from Wastewater Using Purified Stevensite: Adsorption Capacity, Reusability, and Antibiotic Decontamination
by Noelia García-Criado, Laura Martín-Pozo, Julia Martín, Juan Luis Santos, Irene Aparicio and Esteban Alonso
Antibiotics 2025, 14(4), 395; https://doi.org/10.3390/antibiotics14040395 - 10 Apr 2025
Viewed by 252
Abstract
Background/Objectives: The persistence of tetracycline residues in aquatic environments poses substantial risks to ecosystems and public health, emphasizing the need for effective removal strategies. This study examines the use of purified stevensite (ST), a natural clay mineral, as an efficient and cost-effective adsorbent [...] Read more.
Background/Objectives: The persistence of tetracycline residues in aquatic environments poses substantial risks to ecosystems and public health, emphasizing the need for effective removal strategies. This study examines the use of purified stevensite (ST), a natural clay mineral, as an efficient and cost-effective adsorbent for removing tetracycline antibiotics from contaminated water. Methods: Batch experiments were conducted to assess the adsorption kinetics, isotherms, and influence of environmental factors. Material characterization studies were performed before and after tetracycline adsorption. Results: ST demonstrated optimal removal efficiency at an acidic pH, achieving over 99% elimination of both tetracyclines and their metabolites at an adsorbent dose of 2 g L−1 and antibiotic concentration of 5 mg L−1. Equilibrium was reached within 30 min. Regeneration experiments confirmed that ST retained over 90% of its adsorption capacity after five adsorption–desorption cycles. Surface characterization revealed that ST’s large surface area, high cation exchange capacity, and potential for hydrogen bonding may explain its high adsorption capabilities. The material was tested on real samples of tap water, surface water, and wastewater, demonstrating an effective removal rate over 99%. Conclusions: With its high efficiency, low cost and favourable reusability, purified ST is a promising option for large-scale wastewater treatment, contributing to safer water resources and improved environmental protection. Full article
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