002 Σχολή Θετικών και Εφαρμοσμένων Επιστημών / Faculty of Pure and Applied Sciences: Recent submissions
Now showing items 21-40 of 6968
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Article
New metal-organic frameworks derived from pyridine-3,5-dicarboxylic acid: Structural diversity arising from the addition of templates into the reaction systems
(Royal Society of Chemistry, 2020-03-21)A series of new compounds prepared from reactions of pyridine-3,5-dicarboxylic acid (PDCH2), bipositive d-metal ions (Cd2+, Zn2+, Co2+ and Cu2+) and various template molecules [1,3-propanediol (pdH2), diethanolamine (deaH3), ...
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Article
Polonium removal from waters by silver-coated Luffa Cylindrica biochar fibers
(Springer, 2023)The sorption of ultra-trace levels of polonium by Luffa Cylindrica biochar fibers has been investigated in de-ionized water and seawater samples prior and after surface modification (Ag-coating) of the adsorbent. The effect ...
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Article
Actinide Ion (Americium-241 and Uranium-232) Interaction with Hybrid Silica–Hyperbranched Poly(ethylene imine) Nanoparticles and Xerogels
(MDPI, 2023)The binding of actinide ions (Am(III) and U(VI)) in aqueous solutions by hybrid silica–hyperbranched poly(ethylene imine) nanoparticles (NPs) and xerogels (XGs) has been studied by means of batch experiments at different ...
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Article
Radiometric analysis of potassium, radium and uranium levels in Brazil nuts
(Springer, 2023)The paper describes an alternative approach for the determination of uranium, radium-226 and potassium levels in Brazil nuts. Potassium analysis was performed by a NaI detector using 1-gram of nut’s ashes, radium analysis ...
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Article
The effect of temperature on the U-232 and Am-241 adsorption by PN6 microplastics in aqueous solutions
(Global NEST, 2023)The effect of temperature on the adsorption of U-232 and Am-241 by PN6 has been investigated in laboratory and environmental water samples (e.g. seawater and waste water) in the picomolar concentration range. Generally, ...
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Article
Radioactivity/Radionuclide (U-232 and Am-241) Removal from Waters by Polyurea-Crosslinked Alginate Aerogels in the Sub-Picomolar Concentration Range
(MDPI, 2023)The removal of radionuclide/radioactivity from laboratory and environmental water samples under ambient conditions was investigated via batch-type experiments using polyurea-crosslinked calcium alginate (X-alginate) aerogels. ...
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Article
Microplastics and disposable face masks as “Trojan Horse” for radionuclides pollution in water bodies – A review with emphasis on the involved interactions
(Elsevier, 2023)This review article focuses on the interaction of radionuclides (americium-241, uranium-232, radium-226, neptunium-237, cesium-137, iodine-125, strontium-90, thorium-234, and potassium-40) with different microplastics ...
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Article
Uranium desorption from microplastic surfaces
(Springer, 2023)The desorption of uranium from microplastic surfaces has been investigated as a function of pH in aqueous solutions under ambient conditions. In addition, the effect of complexing ligands (e.g. EDTA) on the desorption from ...
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Article
Biosorption of methylene blue dye by Ligustrum lucidum fruits biomass: equilibrium, isotherm, kinetic and thermodynamic studies
(Global NEST, 2023)In this work, biomass from Ligustrum lucidum fruits (LF) was used for the first time as a novel adsorbent to remove the Methylene Blue dye (MB) from aqueous solutions. The adsorption equilibrium was attained after 60 min, ...
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Review
Uranium Removal from Aqueous Solutions by Aerogel-Based Adsorbents—A Critical Review
(MDPI, 2023)Aerogels are a class of lightweight, nanoporous, and nanostructured materials with diverse chemical compositions and a huge potential for applications in a broad spectrum of fields. This has led the IUPAC to include them ...
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Article
Effective Th(IV) adsorption by oxidized biochar prepared from palm tree fibers
(Springer, 2023)The removal of Th(IV) from aqueous solutions by oxidized biochar fibres derived from palm tree fibers has been investigated at pH 3 and under ambient conditions by batch type experiments and FTIR spectroscopy. The experimental ...
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Article
Europium removal from aqueous solutions by oxidized biochar prepared from waste palm tree fronds
(Elsevier, 2023)Palm oil is a product of major economic importance worldwide however, palm tree cultivation generates large quantities of palm fronds as waste. In this work, the sorption of Eu3+ from aqueous solutions by oxidized biochar ...
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Article
Comparative Study of the U(VI) Adsorption by Hybrid Silica-Hyperbranched Poly(ethylene imine) Nanoparticles and Xerogels
(MDPI, 2023)Two different silica conformations (xerogels and nanoparticles), both formed by the mediation of dendritic poly (ethylene imine), were tested at low pHs for problematic uranyl cation sorption. The effect of crucial factors, ...
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Article
3D Composite U(VI) Adsorbents Based on Alginate Hydrogels and Oxidized Biochar Obtained from Luffa cylindrica
(MDPI, 2023)3D naturally derived composites consisting of calcium alginate hydrogels (CA) and oxidized biochar obtained from Luffa cylindrica (ox-LC) were synthesized and further evaluated as adsorbents for the removal of U(VI) from ...
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Article
Adsorption of Reactive Red 120 Dye by Polyamide Nylon 6 Microplastics: Isotherm, Kinetic, and Thermodynamic Analysis
(MDPI, 2023)In this work, we investigated the effect of various adsorption parameters (solution pH, temperature, contact time, and the presence of phosphate and nitrate ions) on the adsorption of Reactive Red 120 (RR120) dye by Polyamide ...
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Article
Software engineering for systems-of-systems and software ecosystems
(Elsevier, 2024-01)Software Engineering has faced several challenges in the last decade, especially those related to aspects beyond the technical side. As such, technological, organizational and social aspects should be considered altogether ...
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Article
Language usage analysis for EMF metamodels on GitHub
(Springer, 2023-12)Context: EMF metamodels lie at the heart of model-based approaches for a variety of tasks, notably for defining the abstract syntax of modeling languages. The language design of EMF metamodels itself is part of a design ...
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Conference Object
Investigating the resolution of vulnerable dependencies with dependabot security updates
(IEEE, 2023)Modern software development practices increasingly rely on third-party libraries due to the inherent benefits of reuse. However, libraries may contain security vulnerabilities that can propagate to the dependent applications. ...
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Conference Object
Scattering, IR dynamics and entanglement
(Sissa Medialab srl, 2023-11-08)We consider scattering processes in perturbative QED and compute the entanglement entropy between the hard and the soft particles in the final state. The leading perturbative entanglement entropy diverges logarithmically ...
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Report
Reporting on a decade of promoting software engineering for systems-of-systems and software ecosystems
(ACM, 2023-04)Systems-of-systems (SoS) have become increasingly complex and frequently used in highly distributed, dynamic, and open environments. SoS refer to evolving software systems in which constituent systems (themselves systems ...