Biological Activity and Imaging Potential of Tb3+-Activated Silico-Gallate Mesoporous Bioactive Glasses Analyzed via Photoluminescence Spectroscopy

Ceramics International, Journal Year: 2025, Volume and Issue: unknown

Published: March 1, 2025

Language: Английский

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The Soil–Plant Continuity of Rare Earth Elements: Insights into an Enigmatic Class of Xenobiotics and Their Interactions with Plant Structures and Processes

Journal of Xenobiotics, Journal Year: 2025, Volume and Issue: 15(2), P. 46 - 46

Published: March 20, 2025

Rare earth elements (REEs) are increasingly present in the environment owing to their extensive use modern industries, yet interactions with plants remain poorly understood. This review explores soil–plant continuum of REEs, focusing on geochemical behavior soil, mechanisms plant uptake, and fractionation processes. While REEs not essential for metabolism, they interact structures interfere normal functioning biological macromolecules. Accordingly, influence fundamental physiological functions is reviewed, including calcium-mediated signalling morphogenesis. Special attention paid interaction photosynthetic machinery and, particularly, thylakoid membrane. By examining both beneficial effects at low concentrations toxicity higher levels, this provides some mechanistic insights into hormetic action REEs. It recommended that future research should address knowledge gaps related bioavailability plants, as well short- long-range transport responsible REE fractionation. A better understanding REE–plant will be critical regard assessing ecological impact potential risks terms agricultural natural ecosystems, ensure benefits using expense environmental integrity or human health.

Language: Английский

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Towards a European sustainable beneficiation of rare earth elements bearing minerals: a review

The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 980, P. 179386 - 179386

Published: May 3, 2025

This review explores the multifaceted aspects of sustainable extraction rare earth elements (REEs) bearing minerals within Europe, stressing exploitation local deposits, that together with integration cleaner and greener approaches (including circular economy approaches) might help to reduce dependency on imports contribute a economy. The mineralogical characteristics distribution REEs in European deposits are examined, alongside current emerging beneficiation techniques aimed at enhancing efficiency sustainability. Key challenges, such as mineral complexities (technological economic limitations), radiochemical environmental impacts, well social acceptance, critically assessed. Innovative new aim be applied mainly primary sources (mineral deposits) but also secondary (secondary raw materials) presented suggested for extraction. Finally, Europe's over-dependence foreign countries prospects discussed, outlining strategic roadmap achieving economically viable practices Europe. comprehensive holistic analysis stresses importance an integrated approach combines developing unexploited resources boosting recycling initiatives, technological innovation, implementing standards community engagement foster REE supply chain

Language: Английский

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Gadolinium: a review on concentrations and impacts in marine and coastal systems

Environmental Pollution, Journal Year: 2025, Volume and Issue: unknown, P. 126453 - 126453

Published: May 1, 2025

Language: Английский

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Evaluation of the adsorption and degradation performance of lanthanum-modified mesoporous carbon nitride composite materials for tetracycline wastewater treatment

New Journal of Chemistry, Journal Year: 2024, Volume and Issue: 48(20), P. 9090 - 9102

Published: Jan. 1, 2024

Lanthanum-modified mesoporous graphite nitride carbon composites (La-g-C 3 N 4 ) were synthesized using a thermal shrinkage polymerization method. The La 30 -g-C sample exhibited rapid and efficient degradation, along with excellent adsorption capacity for both TC AF.

Language: Английский

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Assessing the Potential of Rare Earth Elements in Bottom Ash from Coal Combustion in Poland

Materials, Journal Year: 2024, Volume and Issue: 17(17), P. 4323 - 4323

Published: Aug. 31, 2024

The aim of the research was to assess potential bottom ash from Polish coal-fired power plants as an alternative source rare earth elements (REY). these ashes compared with fly same coal combustion cycle. phase and chemical composition, well REY, were determined using: X-ray diffraction inductively coupled plasma mass spectrometry. tested classified inert-low pozzolanic inert-medium pozzolanic, sialic ferrosialic, enrichment in detrital material. composition similar fuel REY content 199–286 ppm lower than average for global deposits, threshold value considered profitable recovery coal. Bottom ash’s importance a will increase by recovering metals separated amorphous glass mullite grains rich Al, Mg, K, P. industrial

Language: Английский

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Features of the immune profile of workers of a non-ferrous metallurgy enterprise in conditions of contamination of biological media with rare earth elements (using the example of thulium)

Russian Journal of Occupational Health and Industrial Ecology, Journal Year: 2024, Volume and Issue: 64(8), P. 525 - 530

Published: Sept. 15, 2024

Introduction. The active use of rare earth elements, including thulium (Tm), in various technological processes increases the risks health problems associated with professional activities employee. purpose study is to characteristics immune profile workers at a non-ferrous metallurgy enterprise under conditions contamination biological media elements (using example thulium). Materials and methods. 35 employees were examined. comparison group consisted level concentration blood within reference interval (n=17), observation — whose content was 2 times higher than upper limit values (n=18). (blood) studied using mass spectrometry inductively coupled plasma. Flow cytometry used detect Annexin V-FITC+7AAD+-lymphocytes (late apoptosis/necrosis), enzyme immunoassay IL6, TNF, general IgE, allergosorbent specific IgG lanthanides. Results. It found that had 2.3-fold increase total IgE 2.0-fold expression lanthanides relation results (p<0.05). an excess blood, there inhibition cell death by 15% relative group. Limitations study. relate limited sample size. Ethics. protocol approved Biomedical Ethics Committee local ethical committee Federal Budgetary Institution "FSC MPT URZN" No. dated March 22, 2023. carried out accordance requirements set WMA Declaration Helsinki "Ethical Principles for Medical Research Involving Human Subjects" (1964, 2013). Voluntary informed consent participate personal data signed all participants.

Language: Английский

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Phytoextraction Options

Advances in biochemical engineering, biotechnology, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

Language: Английский

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Putting biomonitors to work: native moss as a screening tool for solid waste incineration

Environmental Monitoring and Assessment, Journal Year: 2024, Volume and Issue: 196(12)

Published: Nov. 7, 2024

Solid waste incineration (SWI) can release numerous air pollutants although the geographic reach of emissions is not routinely monitored. While many studies use moss and lichens for biomonitoring trace elements, including around SWIs, few investigate complex, multi-element footprint expected from SWI emissions. This study develops using native as a screening tool while also informing community concerns about an aging incinerator in rural Oregon, USA. Trained volunteers helped collect 36 composite samples epiphytic (Orthotrichum s.l.) along 32-km transect SWI. We used ICP-MS to measure 40 elements moss, 14 rare earth (REEs) previously unexplored compared elemental signatures with profile modeled relationships between element concentrations distance facility nonparametric regression. The chemical pointed source, potentially through both stack fugitive dust strongest models described farther-dispersing mercury cadmium (xR

Language: Английский

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Characteristics of REE enrichments in the weathered granitic crust, Toboali, South Bangka: Possibility for ion adsorption‐type REE mineralization

Resource Geology, Journal Year: 2024, Volume and Issue: 74(1)

Published: Jan. 1, 2024

Abstract This study investigates the characteristics and fractionation of rare earth elements (REEs) in weathered products granite from South Bangka, Indonesia. Samples were collected two drill holes (TBKP‐30 TBKP‐38) at depths ranging 0.5 to 18 m. Analytical methods, including X‐ray diffraction (XRD), fluorescence (XRF), inductively coupled plasma mass spectrometry (ICP‐MS), scanning electron microscopy (SEM‐EDS), used examine mineral compositions REE distribution. The parent is an S‐type biotite with total concentrations between 1081 1279 ppm. dominant REE‐bearing minerals are REE‐fluorocarbonates (synchysite, parisite) REE‐phosphates (apatite, monazite, xenotime), accompanied by REE‐silicates (allanite, thorite, zircon). Fluorocarbonates occur filling grain boundaries parental granite, suggesting later overprinting. Monazite, xenotime, zircon identified as part crystal lattice residual both profiles. TBKP‐30, has significantly depleted REEs high intensity degree weathering occurrence gibbsite minerals. TBKP‐38, cerium enrichment lower profile, caused fixation into cerianite and/or it incorporation Fe‐Mn hydr(oxides) along kaolinite highlights patterns a potential indicator intensity, providing insights crucial for exploration deposits development sustainable extraction methods.

Language: Английский

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