Listar QUIO_Articles por autoría "58868c9c-e71f-4a54-8cf2-508e68c9f95a"
Mostrando ítems 41-60 de 72
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Photoactive Hexanuclear Molybdenum Nanoclusters Embedded in Molecular Organogels
Arnau del Valle, Carla; Felip-León, Carles; Angulo-Pachón, César A.; Mikhailov, Maxim; Sokolov, Maxim; Miravet, Juan; Galindo, Francisco 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
Vendrell Criado, Victoria; Angulo-Pachón, César A.; Miravet, Juan; Galindo, Francisco; Miranda, Miguel A.; Jiménez, M. Consuelo 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 ... -
Photocatalytic Activity of Mesoporous alpha-Fe2O3 Synthesized via Soft Chemistry and Hard Template Methods for Degradation of Azo Dye Orange II
Domingo, Emma; Beltrán Beltrán, Alicia; Sanchis, Rut; García, Tomás; Solsona, Benjamín; Galindo, Francisco 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 ... -
Photodynamic Inactivation of Pseudomonas aeruginosa by PHEMA Films Loaded with Rose Bengal: Potentiation Effect of Potassium Iodide
López Fernández, Ana María; Muñoz Resta, Ignacio; de Llanos Frutos, Rosa; Galindo, Francisco 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
López López, Noelia; Muñoz Resta, Ignacio; de Llanos Frutos, Rosa; Miravet, Juan; Mikhaylov, Maxim; Sokolov, Maxim N.; Ballesta-Mudarra, Sofia; García-Luque, Isabel; Galindo, Francisco 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
Navarro Barreda, Diego; de Llanos Frutos, Rosa; Miravet, Juan; Galindo, Francisco 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
Wadhavane, Prashant Dinkar; Galian, Raquel E.; Izquierdo Arcusa, María Ángeles; Aguilera Sigalat, Jordi; Galindo, Francisco; Schmidt, Luciana; Burguete, M. Isabel; Pérez Prieto, Julia; Luis, Santiago V. 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
RUBIO-MAGNIETO, JENIFER; Izquierdo Arcusa, María Ángeles; Burguete, M. Isabel; Galindo, Francisco; Luis, Santiago V. 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 ... -
Photoreversible formation of nanotubes in water from an amphiphilic azobenzene derivative
Navarro Barreda, Diego; Angulo-Pachón, César A.; Galindo, Francisco; Miravet, Juan 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. ... -
Quantum dot–polymethacrylate composites for the analysis of NOx by fluorescence spectroscopy
Fabregat Tena, Víctor; Izquierdo Arcusa, María Ángeles; Burguete, M. Isabel; Galindo, Francisco; Luis, Santiago V. Elsevier (2012)A new type of hybrid materials composed by core–shell (CdSe/ZnS) quantum dots adsorbed on polymethacrylate surfaces has been synthesized and characterized, specially by means of time-resolved fluorimetry. The ability of ... -
Ratiometric fluorescence sensing of phenylalanine derivatives by synthetic macrocyclic receptors
Burguete, M. Isabel; Galindo, Francisco; Luis, Santiago V.; Vigara, Laura Elsevier (2010)The supramolecular analytical behavior of eight pseudopeptidic fluorescent receptors (1a-c, 2a-c, 3, 4) has been studied. The receptors are either macrocyclic or open chain derivatives based on the naphthalene chromophore. ... -
Recognition of Free Tryptophan in Water by Synthetic Pseudopeptides: Fluorescence and Thermodynamic Studies
Martí-Centelles, Vicente; Izquierdo Arcusa, María Ángeles; Burguete, M. Isabel; Galindo, Francisco; Luis, Santiago V. WILEY-VCH Verlag GmbH & Co. KGaA (2014-06)Pseudopeptidic receptors containing an acridine unit have been prepared and their fluorescence response to a series of amino acids was measured in water. Free amino acids, not protected either at the C or the N terminus, ... -
Reduction-triggered Disassembly of Organic Cationic Nanorods Produces a Cysteine Protease Mimic (Miravet et al.)
Navarro Barreda, Diego; Angulo-Pachón, César A.; Galindo, Francisco; Miravet, Juan Wiley (2023)The emergence of catalytic activity associated with a disassembly process is reported, reminiscent of complex biological systems. A cystine derivative with pendant imidazole groups self-assembles into cationic nanorods ... -
Self-Assembly Controls Reactivity with Nitric Oxide: Implications for Fluorescence Sensing
Felip-León, Carles; Angulo-Pachón, César A.; Miravet, Juan; Galindo, Francisco American Chemical Society (2018)Three molecules containing the fluorophore 4-amino-1,8-naphthalimide (ANI) and showing different tendencies to self-assembly in aqueous environment have been prepared and fully characterized. The fluorescence emissions of ... -
Self‐Assembled Nanofibrilar Networks: Boosting Hydrogelation Efficiency by Replacement of a Pyridine Moiety by a Quinoline One
Angulo-Pachón, César A.; Diaz-Oltra, Santiago; Ojeda, Juan José; Falomir, Eva; Galindo, Francisco; Miravet, Juan Wiley (2015-08)A new molecular hydrogelator consisting of a L‐Valine derivative with appended quinoline units behaves as a supramolecular superhydrogelator forming gels at such low concentrations as 0.8 mM (0.05% w/w). On the other hand, ... -
Singlet oxygen generation by photoactive polymeric microparticles with enhanced aqueous compatibility
Fabregat Tena, Víctor; Burguete, M. Isabel; Galindo, Francisco; Luis, Santiago V. Springer (2014)Two new photoactive materials compatible with environmentally friendly solvents (water and methanol) have been synthesized and characterized. They are comprised of a porous matrix of polystyrene and divinylbenzene with ... -
Singlet oxygen generation using a porous monolithic polymer supported photosensitizer: potential application to the photodynamic destruction of melanoma cells
Burguete, M. Isabel; Galindo, Francisco; Gavara, Raquel; Luis, Santiago V.; Moreno, Miguel; Thomas, Paul; Russell, David A. Royal Society of Chemistry (2009-01)Photogeneration of singlet oxygen (1O2) by rose bengal is improved through the use of a porous monolithic polymer (PMP) as a support, as compared to a classic gel-type resin matrix. This type of monolithic polymeric ... -
Sizing Down a Supramolecular Gel into Micro- and Nanoparticles
Felip-León, Carles; Cejudo Marín, Rocío; Peris, Mireia; Galindo, Francisco; Miravet, Juan American Chemical Society (2017)A low molecular weight gelator with a fluorescent 1,8- naphthalimide unit forms micro- and nanoparticles in aqueous media. Slow addition of a DMSO solution of the gelator into water affords either a selfassembled fibrillar ... -
Solid-state white-light emission from a pyrylium dye obtained in one synthetic step
Muñoz Resta, Ignacio; Miravet, Juan; Yamaji, Minoru; Galindo, Francisco Royal Society of Chemistry (2020-08-12)Seven pyrylium salts have been synthesized by the condensation of p-substituted acetophenones and acetic anhydride, and their photophysical features have been characterized. One of the prepared compounds (7) constitutes ... -
Structure-performance relationships of four lysosomal markers used for the imaging of HT-29 cancer cells and a cellular model of lysosomal storage disease (Niemann-Pick C)
Navarro Barreda, Diego; Bedrina Broch, Begoña; Angulo-Pachón, César A.; Miravet, Juan; Perez-Sala, Dolores; Galindo, Francisco Elsevier (2022-03-12)Four new BODIPY derivatives with a potential tendency to aggregation have been synthesized and characterized by means of NMR techniques, mass spectrometry and UV–Vis/fluorescence spectroscopies. The objective of this study ...