Browsing QUIO_Articles by Title
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Palladium N-Heterocyclic Carbene Catalysts for the Ultrasound-Promoted Suzuki-Miyaura Reaction in Glycerol
Wiley (2013-04-15)Novel palladium N-heterocyclic-carbene (NHC)-based complexes with 3,4,5-trimethoxybenzyl, alkyl and sulfonate N-substituents were obtained and fully characterized. The new complexes were used as pre-catalysts in the ... -
Palladium-Based Metal Organic Frameworks as Heterogeneous Catalysts for C-C Couplings
Wiley (2022-07-12)Among the various cross coupling reactions, C−C cross coupling reaction has attracted many researchers to investigate in the last four decades. The continuous, constant, and consistent progress in this field fetched a Noble ... -
Pd catalysts immobilized onto gel-supported ionic liquid-like phases (g-SILLPs): A remarkable effect of the nature of the support
Elsevier (2010)New polymeric materials containing functional sites analogous to ionic liquids have been synthesized. Those materials are a supported reservoir for the active Pd species. Their catalytic activity has been evaluated for the ... -
Peptidyl nitroalkene inhibitors of main protease rationalized by computational and crystallographic investigations as antivirals against SARS-CoV-2
Springer Nature (2024-01-18)The coronavirus disease 2019 (COVID-19) pandemic continues to represent a global public health issue. The viral main protease (Mpro) represents one of the most attractive targets for the development of antiviral drugs. ... -
Perceptible Influence of Pd and Pt Heterocyclic Carbene–Pyridyl Complexes in Catalytic Diboration of Cyclic Alkenes
Wiley-VCH (2010)Bis(catecholato)diboron was added to cyclic alkenes with internal strain to selectively form bis(boryl)cycloalkanes quantitatively in the presence of [Pd(NHC)pyCl2], [Pd(NHC)pyI2], and [Pt(NHC)pyI2] (NHC=N-heterocyclic ... -
pH-Tunable Hydrogelators for Water Purification: Structural Optimisation and Evaluation
Wiley (2012-02)A focused library of potential hydrogelators each containing two substituted aromatic residues separated by a urea or thiourea linkage have been synthesised and characterized. Six of these novel compounds are highly efficient ... -
Phase transition hysteresis and anomalous Curie-Weis behavior of ferroelectric tetragonaltungsten bronzes Ba2RETi2Nb3O15:RE=Nd, Sm
American Institute of Physics (2008)The ferroelectric tetragonal tungsten bronze TTB phases, Ba2RETi2Nb3O15 :RE=Nd,Sm, were prepared by low temperature solvothermal synthesis. The permittivity versus temperature data of sintered ceramics show two unusual ... -
Phenol-based styrylpyrylium dyes for trace water detection via chromogenic and fluorogenic responses
Elsevier (2021-10-26)Two new styrylpyrylium cations (1a,b) have been synthesized in only two steps with high yields. The presence of an ortho-nitrophenol moiety in their structures makes them very sensitive to deprotonation by traces of water ... -
Phenylene- and biphenylene-bridged bis-imidazolylidenes of palladium. Influence of the presence of pyrene tags on the catalytic activity of the complexes
American Chemical Society (2014)A series of dimetallic complexes with N-heterocyclic carbene ligands with formally identical stereoelectronic properties have been obtained and fully characterized. The dimetallic complexes were bridged by bis-imidazolylidenes, ... -
Photoactive Hexanuclear Molybdenum Nanoclusters Embedded in Molecular Organogels
American Chemical Society (2019-07-05)Hexanuclear molybdenum clusters are attractive species because of their outstanding photonic properties, and in the past they have been attached to a variety of supports such as organic polymers and inorganic nanoparticles, ... -
Photobehavior of the antipsychotic drug cyamemazine in a supramolecular gel protective environment
Elsevier (2019-11-06)In this work, a molecular hydrogel made of gelator (S)-4-((3-methyl-1-(nonylamino)-1-oxobutan-2-yl)amino)-4-oxobutanoic acid (SVN) has been employed as soft container to modify the photochemical and photophysical behavior ... -
Photocatalysts in ceramics
DKG Deutsche Keramische Gesellschaft (2012)Advanced oxidation processes (AOPs) are oxidation processes based on sufficient concentrations of hydroxyl radicals to degrade dissolved organic compounds present in water or those that are dispersed in air to mineral ... -
Photocatalytic Activity of Mesoporous alpha-Fe2O3 Synthesized via Soft Chemistry and Hard Template Methods for Degradation of Azo Dye Orange II
Springer (2018-05)The photocatalytic activities of two samples of α-Fe2O3 nanoparticles have been evaluated. One sample has been synthesized by a precipitation method with oxalic acid (soft method), and the other sample has been produced ... -
Photocatalytic degradation of orange II by titania addition to sol-gel glasses
Springer Verlag (2009)Glasses with SiO2-CaO-ZnO-B2O3-K2O-Al2O3 composition modified by addition of titania (3, 5, 12 and 20% w) have been prepared by sol-gel method. The obtained gels were aged, dried and fired at 600ºC/1h in order to stabilise ... -
Photocatalytic Glazed Tiles
Expert Fachmedien GmbH (2012)A parent glass in the SiO2–CaO–ZnO–B2O3–K2O–Al2O3 system, deposited and processed by the monoporosa firing method (1085 °C), was coated using a sol–gel procedure and by serigraphy with silica, bismuth oxide, zirconia, and ... -
Photodynamic Inactivation of Pseudomonas aeruginosa by PHEMA Films Loaded with Rose Bengal: Potentiation Effect of Potassium Iodide
MDPI (2021-07-06)Four formulations have been used to produce different poly(2-hydroxyethyl methacrylate) (PHEMA) thin films, containing singlet oxygen photosensitizer Rose Bengal (RB). The polymers have been characterized employing ... -
Photodynamic Inactivation of Staphylococcus aureus Biofilms Using a Hexanuclear Molybdenum Complex Embedded in Transparent polyHEMA Hydrogels
American Chemical Society (2020)Three new photoactive polymeric materials embedding a hexanuclear molybdenum cluster (Bu4N)2[Mo6I8(CH3COO)6] (1) have been synthesized and characterized by means of Fourier-transform infrared spectroscopy (FTIR), ... -
Photodynamic inactivation of Staphylococcus aureus in the presence of aggregation-prone photosensitizers based on BODIPY used at submicromolar concentrations
Elsevier B.V. (2022-08-10)Two new brominated BODIPYs (1 and 2) bearing amino acid-based chains (l-valine for 1, and dimethyl-l-lysine for 2) were synthesized and characterized. In organic solvents, 1 and 2 were fully soluble and showed the photophysical ... -
Photoluminescence Enhancement of CdSe Quantum Dots: A Case of Organogel–Nanoparticle Symbiosis
American Chemical Society (2012)Highly fluorescent organogels (QD–organogel), prepared by combining a pseudopeptidic macrocycle and different types of CdSe quantum dots (QDs), have been characterized using a battery of optical and microscopic techniques. ... -
Photoluminescence of CdSe/ZnS core–shell quantum dots stabilized in water with a pseudopeptidic gemini surfactant
Royal Society of Chemistry (2011)The use of pseudopeptidic gemini surfactants as stabilizers of hydrophobic quantum dots in water is discussed. Compound 1a acts as an intercalator with hydrophobic ligands of QDs transferring them from toluene to pure water ...