Browsing Τμήμα Χημείας / Department of Chemistry by Title
Now showing items 1243-1262 of 1299
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Article
Uranium levels in Cypriot groundwater samples determined by ICP-MS and α-spectroscopy
(2013)The uranium concentration and the isotopic ratio 238U/234U have been determined in Cypriot groundwater samples by ICP-MS after ultrafiltration and acidification of the samples and α-spectroscopy after pre-concentration and ...
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Article
Uranium monitoring in ground- and wastewaters
(2018)Uranium in ground- and wastewater samples has been analyzed by alpha-spectroscopy after pre-concentration and separation by means of a chelating resin Lewatit TP 207, and following electrodeposition of the radioelement on ...
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Article
Uranium recovery from phosphate rocks/minerals – A comprehensive review
(Elsevier, 2024)Although the use of nuclear energy is still viewed with caution due to various problems associated, such as the safe operation of 'aging' nuclear plants and the final disposal of nuclear waste, many countries in Europe are ...
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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
Uranium sorption from aqueous solutions by activated biochar fibres investigated by FTIR spectroscopy and batch experiments
(2015)The efficiency of activated biochar fibres obtained from Opuntia ficus indica regarding the sorption of hexavalent uranium (U(VI)) from aqueous solutions has been investigated by batch experiments, as a function of various ...
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Article
Uranium(VI) binding by pine needles prior and after chemical modification
(2018)Adsorption of U(VI) by pine needles prior and after carbonization and following oxidation has been investigated by batch-type experiments and characterized by FTIR and SEM measurements. The experimental data have been ...
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Article
Urine and fecal samples targeted metabolomics of carobs treated rats
(2019)Ceratonia siliqua, known as the carob, is considered to be of high nutritional value and of great economic significance due to its unique composition. The beneficial effects of carob against cancer, metabolic syndrome, ...
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Conference Object
Urine and feces metabolomics-based analysis of carob treated rats
(MDPI AG, 2017)Ceratonia siliqua L. Fabaceae, commonly known as the carob tree, is native to the eastern Mediterranean countries and its products are widely used in the diet of people living in Mediterranean Europe, Middle East and North ...
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Book Chapter
Use of chemometric analysis in the characterization of the adsorption properties of nanoporous solids
(Pan Stanford Publishing Pte. Ltd., 2011)
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Article
Use of chiral amino acid ester-based ionic liquids as chiral selectors in CE
(2013)In this study, the applicability of a chiral ionic liquid (CIL) as the sole chiral selector in CE was investigated for the first time. In particular, five amino acid ester-based CILs were synthesized and used as additives ...
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Article
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Conference Object
Use of different sampling inlets for the analysis of VOCs from solid waste samples by GC-MS
(2019)
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Article
Use of FTIR spectroscopy and chemometrics for the classification of carobs origin
(2018)Carob samples from seven different Mediterranean countries (Cyprus, Greece, Italy, Spain, Turkey, Jordan and Palestine) were analyzed using Fourier Transform Infrared (FTIR) spectroscopy. Seed and flesh samples of indigenous ...
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Article
The Use of High Resolution Adsorption Measurements for the Study of Porous Solids
(1993)A high resolution adsorption (HRADS) technique was used in both the continuous and static modes to determine the isotherms of nitrogen (at 77K) on various porous carbons and silicas. Excellent agreement has been obtained ...
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Article
Use of the sulfato ligand in 3d-metal cluster chemistry: A family of hexanuclear nickel(II) complexes with 2-pyridyl-substituted oxime ligands
(2007)The initial use of 2-pyridyl-substituted oximes [(py)C(R)-NOH
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Article
Using Swellable Polymers as Structure Directing Scaffolds in Mesoporous Titania Synthesis
(2018)Using Swellable Polymers as Structure Directing Scaffolds in Mesoporous Titania Synthesis
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Article
UV resonance Raman spectroscopy of TTR(105-115): Determination of the pKa of tyrosine
(2009)The 11-residue peptide fragment from transthyretin (TTR(105-115)) has been investigated using UV resonance Raman spectroscopy. Excitation at 239.5 nm reveals selective enhancement of scattering from two Tyr residues. The ...
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Article
UV resonance Raman study of TTR(105-115) structural evolution as a function of temperature
(2011)UV resonance Raman spectroscopy was used to probe the temperature dependence of the conformation of TTR(105-115) in solution. Resonance Raman spectra with excitation at 239.5 nm, show an increase in the absolute resonance ...
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Conference Object
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Article
Valorization of agricultural wastes could improve soil fertility and mitigate soil direct N2O emissions
(2019)The emerging need for sustainable management of the increasing quantities of urban and industrial organic wastes creates opportunities for the development of alternative strategies for the improvement of degraded soils. ...