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Applied Sciences
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Environmental Bioaccumulation and Assessment of Toxic Elements
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Environmental Bioaccumulation and Assessment of Toxic Elements

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (30 March 2024) | Viewed by 4466

Special Issue Editors

Dr. Cátia Alexandra Figueiredo

E-Mail Website
Guest Editor
Interdisciplinary Centre of Marine and Environmental Research, 4050-123 Porto, Portugal
Interests: climate change; extreme weather events; emergent pollutants; rare earth elements; marine ecology; ecotoxicology; ecophysiology; oxidative stress; cellular damage
Dr. Joana Raimundo

E-Mail Website
Guest Editor
IPMA-Portuguese Institute of Sea and Atmosphere, Division of Oceanography and Marine Environment (DIVOA), Av. Doutor Alfredo Magalhães Ramalho, 6, 1495-165 Lisboa, Portugal
Interests: metal accumulation; ecotoxicology; marine organisms
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The buildup of toxic elements in the environment constitutes an escalating concern due to its negative impacts on the ecosystem functioning, the world’s economy, and ultimately, human health. The present Special Issue aims to bring together a collection of articles on element bioaccumulation and the assessment of toxic elements in the environment. This comprehensive overview will cover a wide array of topics, namely the sources and pathways of toxic elements, their distribution and transport in distinct environmental compartments, as well as the mechanisms underlying their bioaccumulation in distinct organisms. Overall, this Special Issue’s goal is to progress the knowledge of environmental bioaccumulation and the assessment of toxic elements, as well as to advance the understanding of effective strategies for the management and remediation of contaminated environments.

Dr. Cátia Figueiredo
Dr. Joana Raimundo
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. Applied Sciences 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 2400 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

  • trace elements
  • bioaccumulation
  • contaminants uptake
  • concentration
  • toxicity
  • bioavailability
  • metals

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Published Papers (3 papers)

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Research

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20 pages, 21594 KiB  
Article
Cadmium-Induced Changes in the Accumulation of Sugars and the PsGolS Transcript in Pisum sativum L.
by Katarzyna Głowacka, Wioletta E. Pluskota, Janusz Najdzion, Adam Okorski, Jacek Olszewski and Lesław B. Lahuta
Appl. Sci. 2024, 14(13), 5486; https://doi.org/10.3390/app14135486 - 25 Jun 2024
Viewed by 741
Abstract
Cadmium (Cd) is a key stress factor that affects plant development. To examine the influence of Cd stress, we analysed the tissue localisation of polysaccharides (Periodic Acid Schiff reaction), qualitative and quantitative changes in soluble carbohydrates (High-Resolution Gas Chromatography), and the expression of [...] Read more.
Cadmium (Cd) is a key stress factor that affects plant development. To examine the influence of Cd stress, we analysed the tissue localisation of polysaccharides (Periodic Acid Schiff reaction), qualitative and quantitative changes in soluble carbohydrates (High-Resolution Gas Chromatography), and the expression of the galactinol synthase (PsGolS) and raffinose synthase (PsRS) genes in 4-week-old Pisum sativum L. ‘Pegaz’. The plants were treated with 10, 50, 100, and 200 µM CdSO4 for one week and analysed on the 1st, 7th, and 28th days after Cd application. Pea as an excluder plant accumulated Cd mainly in the roots. Cd induced starch grain storage in the stems and the accumulation of soluble carbohydrates in roots and shoots after 28 days of Cd treatment. In controls, soluble carbohydrate levels decreased during the plant growth. In addition, Cd increased galactinol and raffinose levels, indicating their important role in response to Cd stress in peas. Moreover, the analysis confirmed that the expression of PsGolS was induced by Cd. Overall, the results of the distribution of carbohydrates in pea plants, together with the inhibition of seed production by Cd, indicate that plants tend to allocate energy to stress response mechanisms rather than to reproductive processes. Full article
(This article belongs to the Special Issue Environmental Bioaccumulation and Assessment of Toxic Elements)
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25 pages, 6001 KiB  
Article
A PHREEQC-Based Tool for Planning and Control of In Situ Chemical Oxidation Treatment
by Katarzyna Samborska-Goik, Rafał Ulańczyk, Janusz Krupanek and Marta Pogrzeba
Appl. Sci. 2024, 14(9), 3600; https://doi.org/10.3390/app14093600 - 24 Apr 2024
Viewed by 1325
Abstract
This article describes a tool that can be used to improve the effectiveness of the ISCO (in situ chemical oxidation) method. It is an Excel-based application that uses Visual Basic, PHREEQC, and Python. The main functions are feedback control solutions. There are several [...] Read more.
This article describes a tool that can be used to improve the effectiveness of the ISCO (in situ chemical oxidation) method. It is an Excel-based application that uses Visual Basic, PHREEQC, and Python. The main functions are feedback control solutions. There are several ideas that can optimise ISCO treatment when using the geochemical model: (i) looping real-time data into the geochemical model and using them to estimate the actual rate, (ii) using spatial distribution maps for delineating zones that are susceptible or resistant to oxidation, (iii) visualising the permanganate consumption that could indicate the right time for further action, and (iv) using alarm reports of the abnormal physico-chemical conditions that jeopardise successful injection. Full article
(This article belongs to the Special Issue Environmental Bioaccumulation and Assessment of Toxic Elements)
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Review

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67 pages, 3120 KiB  
Review
A Critical Review of the Modelling Tools for the Reactive Transport of Organic Contaminants
by Katarzyna Samborska-Goik and Marta Pogrzeba
Appl. Sci. 2024, 14(9), 3675; https://doi.org/10.3390/app14093675 - 25 Apr 2024
Cited by 1 | Viewed by 1953
Abstract
The pollution of groundwater and soil by hydrocarbons is a significant and growing global problem. Efforts to mitigate and minimise pollution risks are often based on modelling. Modelling-based solutions for prediction and control play a critical role in preserving dwindling water resources and [...] Read more.
The pollution of groundwater and soil by hydrocarbons is a significant and growing global problem. Efforts to mitigate and minimise pollution risks are often based on modelling. Modelling-based solutions for prediction and control play a critical role in preserving dwindling water resources and facilitating remediation. The objectives of this article are to: (i) to provide a concise overview of the mechanisms that influence the migration of hydrocarbons in groundwater and to improve the understanding of the processes that affect contamination levels, (ii) to compile the most commonly used models to simulate the migration and fate of hydrocarbons in the subsurface; and (iii) to evaluate these solutions in terms of their functionality, limitations, and requirements. The aim of this article is to enable potential users to make an informed decision regarding the modelling approaches (deterministic, stochastic, and hybrid) and to match their expectations with the characteristics of the models. The review of 11 1D screening models, 18 deterministic models, 7 stochastic tools, and machine learning experiments aimed at modelling hydrocarbon migration in the subsurface should provide a solid basis for understanding the capabilities of each method and their potential applications. Full article
(This article belongs to the Special Issue Environmental Bioaccumulation and Assessment of Toxic Elements)
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