Environmental Risk Assessment of Aquatic Environments

A special issue of Environments (ISSN 2076-3298).

Deadline for manuscript submissions: closed (25 November 2024) | Viewed by 1910

Special Issue Editor


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Guest Editor
Faculty of Department of Medical Science & Biotechnology, College of Medical Science and Technology, I-Shou University, Kaohsiung 82445, Taiwan
Interests: environmental microbiology; environmental toxicology; bioremediation; proteomics; microalgae application
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Special Issue Information

Dear Colleagues,

I extend a sincere invitation for your contribution to our Special Issue, titled "Environmental Risk Assessment of Aquatic Environments". The sustainability and ecological balance of aquatic environments are facing increasing threats. This Special Issue aims to explore and evaluate the potential risks posed by multidrug-resistant organisms, emerging contaminants, environmental hormones, heavy metals, antibiotics, biotoxins, etc., to aquatic ecosystems.

In recent years, factors such as multidrug-resistant organisms, emerging contaminants, and environmental hormones have become pivotal issues in aquatic environments, posing potential hazards to aquatic organisms. Substances like heavy metals, antibiotics, and biotoxins also impact aquatic ecosystems to varying degrees. Therefore, through this Special Issue, we aim to delve into these potential hazards, conducting risk assessments to ensure the health and sustainable development of aquatic environments.

The Special Issue covers various aspects, including microbial ecology, detection, and management of emerging contaminants, impact of environmental hormones, monitoring of heavy metal pollution, risks associated with antibiotic resistance, ecological effects of biotoxins, etc. We invite you to submit your latest research in these areas, collectively advancing our understanding of the risks in aquatic environments.

The scope of this Special Issue is not limited to natural water bodies but also extends to aquaculture systems, exploring the ecology of microorganisms, algae, and their applications in aquaculture. Additionally, the Special Issue will emphasize the feasibility of bioremediation technologies in aquatic environments, involving the application of microorganisms, microalgae, and other biological agents.

We look forward to receiving your valuable submissions, contributing to the ongoing development of the field of environmental risk assessment in aquatic environments. Kindly submit your research findings before the deadline. Thank you for your support of this Special Issue.

Prof. Dr. Chien-Sen Liao
Guest Editor

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Keywords

  • multidrug-resistant organisms
  • emerging contaminants
  • environmental hormones
  • antibiotic
  • biotoxins
  • desalination and wastewater treatment
  • aquatic organisms
  • aquaculture
  • bioremediation
  • microalgae
  • microbial ecology

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Published Papers (1 paper)

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Research

16 pages, 3733 KiB  
Article
Chemical Characteristics of Zirconium Chloride and Zirconium Oxide Nanoparticles Driving Toxicity on Lemna minor
by Mohamadou Diallo and David Dewez
Environments 2024, 11(10), 222; https://doi.org/10.3390/environments11100222 - 12 Oct 2024
Viewed by 1311
Abstract
The increasing global production and utilization of zirconium (Zr) compounds, including zirconium chloride (ZrCl4) and zirconium oxide nanoparticles (NPs-ZrO2), raises concerns about their potential environmental impact. This study investigated the toxicity mechanisms of ZrCl4 and NPs-ZrO2 on [...] Read more.
The increasing global production and utilization of zirconium (Zr) compounds, including zirconium chloride (ZrCl4) and zirconium oxide nanoparticles (NPs-ZrO2), raises concerns about their potential environmental impact. This study investigated the toxicity mechanisms of ZrCl4 and NPs-ZrO2 on the aquatic plant Lemna minor. The physicochemical properties of NPs-ZrO2 in the test medium were characterized, revealing concentration-dependent changes in the hydrodynamic diameter, zeta potential, and solubility over time. The analysis of Zr speciation showed the predominance of Zr(OH)4(aq) species from ZrCl4. Plants of L. minor exposed to ZrCl4 and NPs-ZrO2 exhibited differential Zr bioaccumulation, growth inhibition, oxidative stress, and antioxidant responses. ZrCl4 induced a higher toxicity than NPs-ZrO2, with bioaccumulation strongly correlating with adverse effects. The differential toxicity impact between these two Zr-compounds was also determined by the lowest observed-effect doses for growth and biochemical parameters. The scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy confirmed internalization of NPs-ZrO2 and Zr uptake in the L. minor plant. Therefore, these findings highlighted the importance of chemical speciation, environmental transformations, and biological responses in assessing the ecological impact of Zr-compounds for effective risk assessment and management strategies for protecting aquatic ecosystems. Full article
(This article belongs to the Special Issue Environmental Risk Assessment of Aquatic Environments)
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