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Study and characterization of the ancient bricks of monastery of “San Filippo di Fragalà” in Frazzanò (Sicily)
Abstract The ancient bricks of the monastery of Fragala in Frazzano, the first Basilian-Norman center in Sicily and symbol of 15 centuries of cultural life, were studied and characterized by aExpand
Sequestration of Hg2+ by Some Biologically Important Thiols
A potentiometric and 1H NMR investigation on the interactions between Hg2+ and some biologically important sulfhydryl ligands, such as cysteine (H2CYS), penicillamine (H2PSH), and glutathioneExpand
Sequestering Ability of Oligophosphate Ligands toward Al3+ in Aqueous Solution
The interactions between Al3+ and ortho-phosphate (PO43–), pyro-phosphate (P2O74–, PP), tripolyphosphate (P3O105–, TPP) and hexa-metaphosphate (P6O186–, HMP) in aqueous solution have been studied.Expand
A new application of ionic liquids: hydrophobic properties of tetraalkylammonium-based poly(ionic liquid)s
The potential of using poly(ionic liquid)s as a new family of hydrorepellent materials has been explored. Free-radical polymerization of a series of ionic liquids based on the polymerizable cationExpand
Star‐Shaped Quaternary Alkylammonium Polyhedral Oligomeric Silsesquioxane Ionic Liquids
New star-shaped quaternary ammonium (QA) polyhedral oligomeric silsesquioxane (POSS) salts based on octakis(tetraalkylammonium) POSS cations bearing alkyl chains of different length (methyl, n-butyl,Expand
Speciation Studies of Bifunctional 3-Hydroxy-4-Pyridinone Ligands in the Presence of Zn2+ at Different Ionic Strengths and Temperatures
The acid–base properties of two bifunctional 3-hydroxy-4-pyridinone ligands and their chelating capacity towards Zn2+, an essential bio-metal cation, were investigated in NaCl aqueous solutions by potentiometric, UV-Vis spectrophotometric, and 1H NMR spectroscopic titrations and the determination of protonation and stability constants showed accordance with the data obtained from the different analytical techniques used. Expand
Thermodynamic and spectroscopic study of the binding of dimethyltin(IV) by citrate at 25 °C
Thermodynamic (potentiometric and calorimetric) and spectroscopic ( 1 H NMR, 119 Sn Mossbauer) studies were performed in aqueous solution in order to characterize the interaction of dimethyltin(IV)Expand
Binding ability of glutathione towards alkyltin(IV) compounds in aqueous solution.
Glutathione shows a fairly good sequestering ability towards alkyltin(IV) cations, in 10(-3)-10(-5)M range, and the possible structures of the complexes formed are discussed on the basis of spectroscopic and spectrometric results. Expand
Methylmercury(II)-sulfur containing ligand interactions: a potentiometric, calorimetric and 1H-NMR study in aqueous solution
The interactions between CH3Hg+ and four sulfur containing ligands [2-mercaptopropanoic or thiolactic acid (tla), 3-mercaptopropanoic acid (mpa), 2-mercaptosuccinic or thiomalic acid (tma) andExpand
Thermodynamic and spectroscopic study for the interaction of dimethyltin(IV) with L-cysteine in aqueous solution.
Thermodynamic and spectroscopic properties of the species formed by dimethyltin(IV) cation with L-cysteine (cys) were studied by potentiometric, calorimetric, UV and NMR investigations in aqueousExpand