Browsing QUIO_Articles by Title
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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 ... -
Photoluminescence of synthetic titanite-group pigments: A rare quenching effect
Elsevier (2014)Chromium-doped titanite and malayaite samples, which were synthesised to evaluate their performance as ceramic pigments, show remarkable photoluminescence behaviour. Emissions of centres related to traces of trivalent ... -
Photomodulation of DNA‐Templated Supramolecular Assemblies
Wiley (2018-01-12)A new type of DNA ligand that contains a phosphate‐binding group and a photoresponsive azobenzene moiety is reported. When the azobenzene is in trans configuration, the ligand binds to the minor groove of a double‐stranded ... -
Photon Up-Conversion with Lanthanide-Doped Oxide Particles for Solar H2 Generation
American Chemical Society (2014-05)Up-conversion (UC) of infrared (IR) photons into visible radiation constitutes a promising strategy to enhance the light harvesting efficiency of photovoltaic and photoelectrochemical devices. In the present study, we ... -
Photonic and Nanobiophotonic Properties of Luminescent Lanthanide-Doped Hybrid Organic-Inorganic Materials
Royal Society of Chemistry (2008)Research into lanthanide-doped organic–inorganic hybrid materials emerged in the 1990s with the development of interesting materials for optics: high efficiency and stable solid-state lasers, new fiber amplifiers and ... -
Photoreversible formation of nanotubes in water from an amphiphilic azobenzene derivative
The Royal Society of Chemistry (2021-10-13)An anionic azobenzene-appended derivative of L-ValylGlycine self-assembles into nanotubes in water. Irradiation with 365 nm light provokes trans–cis isomerization of the azobenzene unit and subsequent tube disassembly. ... -
Photovoltaic Glass Waste Recycling in the Development of Glass Substrates for Photovoltaic Applications
MDPI (2023)Because of the increasing demand for photovoltaic energy and the generation of end-of-life photovoltaic waste forecast, the feasibility to produce glass substrates for photovoltaic application by recycling photovoltaic ... -
Pincer-CNC mononuclear, dinuclear and heterodinuclear Au(III) and Pt(II) complexes supported by mono- and poly-N-heterocyclic carbenes: synthesis and photophysical properties
Royal Society of Chemistry (2016)A family of cyclometallated Au(III) and Pt(II) complexes containing a CNC-pincer ligand (CNC = 2,6-diphenylpyridine) supported by pyrene-based mono- or bis-NHC ligands have been synthesized and characterized, together ... -
Pink ceramic pigments based on chromium doped M(Al2-xCrx)O-4, M = Mg, Zn, normal spinel
Elsevier (2013-08)In this paper M(Al2−xCrx)O4, MMg, Zn and x from 0.05 to 2 compositions, have been prepared by solid state reaction in order to analyse their reactivity, structure, limit of solid solution, stability and pigmenting properties ... -
Poly(acrylamide-homocysteine thiolactone) as a synthetic platform for the preparation of polymeric ionic liquids by post ring-openingorthogonal modifications
Royal Society of Chemistry (2017)Poly(Acrylamide-Homocysteine Thiolactone) (PAHT) obtained by RAFT polymerisation can be used as a starting material for the synthesis, through its post modification, of a variety of advanced polymeric materials with ... -
Polymer-supported chiral α-amino amides for the asymmetric addition of diethylzinc to aldehydes: Transforming an inactive homogeneous system into an efficient catalyst
Elsevier (2013-07-10)A series of polymer-supported α-amino amides derived from natural amino acids have been easily synthesized and fully characterized. Their chiral Zn (II) complexes catalyzed the enantioselective addition of diethylzinc to ... -
Polymer-supported ionic-liquid-like phases (SILLPs): transferring ionic liquid properties to polymeric matrices
Wiley (2011-01-12)The physico-chemical properties of polymers with ionic-liquid-like moieties covalently bound to their surfaces (SILLPs) have been studied by thermal and spectroscopic techniques, as well as by direct impedance and dielectric ... -
Polymer-supported Pd–NHC complexes: Strategies for the development of multifunctional systems
Elsevier (2012-11)Different strategies to introduce multiple ionic liquid-like functionalities in PS–DVB based polymers in an easy and reproducible way are reported. A basic common structural element has been, in all cases, the presence of ... -
Polymeric Ionic Liquids Derived from L-Valine for the Preparation of Highly Selective Silica-Supported Stationary Phases in Gas Chromatography
MDPI (2020)A series of silica-supported polymeric ionic liquid (PIL)-based stationary phases derived from a vinylic L-valine ionic liquid monomer and divinylbenzene (DVB) as the crosslinking agent have been prepared and studied as ...