Listar GI-REACT! - Artigos por título

Mostrando ítems 45-64 de 103

    • Importance of outer-sphere and aggregation phenomena in the relaxation properties of phosphonated gadolinium complexes with potential applications as MRI contrast agents 

      Elhabiri, Mourad; Abada, Sabah; Sy, Mohamadou; Nonat, Aline; Choquet, Philippe; Esteban-Gómez, David; Cassino, Claudio; Platas-Iglesias, Carlos; Botta, Mauro; Charbonnière, Loïc J. (Wiley, 2015-04-10)
      [Abstract] A series composed of a tetra-, a tris- and a bisphosphonated ligand based on a pyridine scaffold (L4, L3 and L2, respectively) was studied within the frame of lanthanide (Ln) coordination. The stability constants ...

    • Improved Photocatalyzed Degradation of Phenol, as a Model Pollutant, over Metal-Impregnated Nanosized TiO₂ 

      Belekbir, S.; El Azzouzi, Mohammed; El Hamidi, A.; Rodríguez-Lorenzo, Laura; Santaballa, J. Arturo; Canle, Moisés (MDPI, 2020-05-22)
      [Abstract] Photocatalyzed degradation of phenol in aqueous solution over surface impregnated TiO₂ (M = Cu, Cr, V) under UV-Vis (366 nm) and UV (254 nm) irradiation is described. Nanosized photocatalyts were prepared from ...

    • In-depth study of a novel class of ditopic gadolinium(III)-based MRI probes sensitive to zwitterionic neurotransmitters 

      Toljic, Djordje; Platas-Iglesias, Carlos; Angelovski, Goran (Frontiers, 2019-07-24)
      [Abstract] The efficacy of Gd-based low-molecular weight ditopic MRI probes on binding zwitterionic neurotransmitters (ZNTs) relies on their structural compatibility. ZNTs are challenging biomarkers for monitoring chemical ...

    • Inactivation of E. Coli and S. Aureus by Novel Binary Clay/Semiconductor Photocatalytic Macrocomposites Under UVA and Sunlight Irradiation 

      Aguilar, Silvio D.; Guerrero Sánchez, Briggitte Alexandra; Benítez, Ángel; Rodríguez Ramos, Daniel; Santaballa, J. Arturo; Canle, Moisés; Rosado, Daniel; Moreno-Andrés, Javier (Elsevier, 2023-09-08)
      [Abstract] The disinfection efficiency of several novel photocatalytic macrocomposites made of Ecuadorian clay mixed with two semiconductor materials (TiO2, ZnO) has been evaluated with Staphylococcus aureus and Escherichia ...

    • Inert macrocyclic Eu3+ complex with affirmative paraCEST features 

      Gambino, Tanja; Valencia, Laura; Pérez-Lourido, Paulo; Esteban-Gómez, David; Zaiss, Moritz; Platas-Iglesias, Carlos; Angelovski, Goran (Royal Society of Chemistry, 2020-06-21)
      [Abstract]: We report on a macrocyclic platform based on an 18-membered macrocycle that forms kinetically highly inert paramagnetic complexes and possesses an excellent outlook for the development of bioresponsive paraCEST ...

    • Integrated Valorization of Sargassum Muticum in Biorefineries 

      Flórez-Fernández, Noelia; Illera, Marta; Sánchez Núñez, Marta; Lodeiro, Pablo; Torres Pérez, María Dolores; López-Mosquera, María Elvira; Soto, Manuel; Sastre de Vicente, Manuel; Domínguez, Herminia (Elsevier, 2020-05-24)
      [Abstract] Marine macroalgae represent an excellent raw material for the production of bioactives, adsorbents, plant biostimulants, soil fertilizers and biogas. The success in the exploitation of seaweeds depends on their ...

    • Introducing Hyaluronic Acid into Supramolecular Polymers and Hydrogels 

      Varela-Aramburu, Silvia; Su, Lu; Mosquera Mosquera, Jesús; Morgese, Giulia; Schoenmakers, Sandra M. C.; Cardinaels, Ruth; Palmans, Anja; Meijer, E. W. (American Chemical Society, 2021-10-18)
      [Abstract] The use of supramolecular polymers to construct functional biomaterials is gaining more attention due to the tunable dynamic behavior and fibrous structures of supramolecular polymers, which resemble those found ...

    • Investigations into the effects of linker length elongation on the behaviour of calcium-responsive MRI probes 

      Connah, Liam; Truffault, Vincent; Platas-Iglesias, Carlos; Angelovski, Goran (Royal Society of Chemistry, 2019-07-25)
      [Abstract] Understanding the relationship between chemical structure and the effectiveness of bioresponsive magnetic resonance imaging (MRI) contrast agents can offer help to identify key components required for the future ...

    • Lead(II) complexes of lateral macrobicyclic receptors that incorporate a crown moiety and a pyridine head unit 

      Esteban-Gómez, David; Enríquez-Pérez, Teresa; Ferreirós-Martínez, Raquel; Mato-Iglesias, Marta; Platas-Iglesias, Carlos; Blas, Andrés de; Rodríguez-Blas, Teresa (Wiley, 2010-11)
      [Abstract] The coordinative properties towards lead(II) of two lateral macrobicyclic receptors that incorporate either a 1,10‐diaza‐[15]crown‐5 (L7) or a 4,13‐diaza‐[18]crown‐6 (L8) fragment are reported. Spectrophotometric ...

    • Macrocyclic receptor showing improved PbII/ZnII and PbII/CaII selectivities 

      Ferreirós-Martínez, Raquel; Platas-Iglesias, Carlos; Blas, Andrés de; Esteban-Gómez, David; Rodríguez-Blas, Teresa (Wiley, 2010-05-31)
      [Abstract] Herein we report on the macrocyclic receptor N,N′‐bis[(6‐carboxy‐2‐pyridyl)methyl]‐1,10‐diaza‐15‐crown‐5 (H2bp15c5) and its coordination properties towards ZnII, CdII, PbII, and CaII. The stability constants of ...

    • Magnetic anisotropies in rhombic lanthanide(III) complexes do not conform to Bleaney’s theory 

      Castro, Goretti; Regueiro-Figueroa, Martín; Esteban-Gómez, David; Pérez-Lourido, Paulo; Platas-Iglesias, Carlos; Valencia, Laura (American Chemical Society, 2016-04-04)
      [Abstract] We report a complete set of magnetic susceptibilities of lanthanide complexes with a macrocyclic ligand based on a 3,6,10,13-tetraaza-1,8(2,6)-dipyridinacyclotetradecaphane platform containing four hydroxyethyl ...

    • Mechanical Stability Is Key for Large-Scale Implementation of Photocatalytic Surface-Attached Film Technologies in Water Treatment 

      Rodríguez Ramos, Daniel; Iazykov, M.; Fernández-Pérez, María-Isabel; Santaballa, J. Arturo; Canle, Moisés (Frontiers, 2021-10-18)
      [Abstract] Replacement of classical tertiary water treatment by chemical-free sunlight-driven photocatalytic units has been often proposed. Photocatalysts are required to be cost-effective, inert, chemically stable, reusable, ...

    • Modeling the OEC with two new biomimetic models: preparations, structural characterization, and water photolysis studies of a Ba–Mn box type complex and a Mn4N6 planar-diamond cluster 

      Rouco, Lara; Fernández-García, M. Isabel; Pedrido, Rosa; Botana, Luis M.; Esteban-Gómez, David; Platas-Iglesias, Carlos; Maneiro, Marcelino (MDPI, 2018-09-07)
      [Abstract] The oxygen-evolving complex (OEC) is the native enzyme that catalyzes the oxidation of water in natural photosynthesis. Two new classes of manganese cluster complexes of formula Ba2Mn2L12(H3L1)2(CH3OH)4 1 and ...

    • On the Dissociation Pathways of Copper Complexes Relevant as Pet Imaging Agents 

      Uzal-Varela, Rocío; Patinec, Véronique; Tripier, Raphaël; Valencia, Laura; Maneiro, Marcelino; Canle, Moisés; Platas-Iglesias, Carlos; Esteban-Gómez, David; Iglesias, Emilia (Elsevier, 2022)
      [Abstract] Several bifunctional chelators have been synthesized in the last years for the development of new 64Cu-based PET agents for in vivo imaging. When designing a metal-based PET probe, it is important to achieve ...

    • Optimising the relaxivities of Mn2+ complexes by targeting human serum albumin (HSA) 

      Forgács, Attila; Tei, Lorenzo; Baranyai, Zsolt; Esteban-Gómez, David; Platas-Iglesias, Carlos; Botta, Mauro (Royal Society of Chemistry, 2017-07-14)
      [Abstract] We report two novel macrocyclic ligands based on the 1,4-DO2AM platform (1,4-DO2AM = 2,2′-(1,4,7,10-tetraazacyclododecane-1,4-diyl)diacetamide) and containing two benzyl groups attached either to the nitrogen ...

    • Paramagnetic lanthanide chelates for multicontrast MRI 

      Cakic, Nevenka; Savic, Tanja; Stricker-Shaver, Janice; Truffault, Vincent; Platas-Iglesias, Carlos; Mirkes, Christian; Pohmann, Rolf; Scheffler, Klaus; Angelovski, Goran (Royal Society of Chemistry, 2016-06-02)
      [Abstract] The preparation of a paramagnetic chelator that serves as a platform for multicontrast MRI, and can be utilized either as a T1-weighted, paraCEST or 19F MRI contrast agent is reported. Its europium(III) complex ...

    • Phosphate and polyphosphate anion recognition by a dinuclear copper(ii) complex of an unsymmetrical squaramide 

      Esteves, Catarina V.; Costa, Judite; Esteban-Gómez, David; Lamosa, Pedro; Bernard, Hélène; Platas-Iglesias, Carlos; Tripier, Raphaël; Delgado, Rita (Royal Society of Chemistry, 2019-05-29)
      [Abstract] In the search for receptors suitable for the recognition of phosphate or polyphosphate anions, a new unsymmetrical squaramide-based ligand bearing dipicolylamine (dpa) and ethylpiperazine units (L) was designed ...

    • Photo-Immobilization of Proteins on Carbons 

      Humeres, Eduardo; Canle, Moisés; Lopes, Cristiane Nunes; Santaballa, J. Arturo; Debacher, N. A.; Moreira, Regina de F. P. M.; Safin, Vladimir; Fernández-Pérez, María-Isabel (Elsevier, 2019-11-13)
      [Abstract] The photofunctionalization of three different carbons with two proteins was studied at room temperature. Water solutions of bovine serum albumin, BSA, and α-amylase, AA, were photolyzed at 21 °C in the presence ...

    • Plastic Debris in Lakes and Reservoirs 

      Nava, Verónica; Chandra, Sudeep; Aherne, Julian; Alfonso, María Belén; Antão-Geraldes, Ana Maria; Attermeyer, Katrin; Bao, Roberto; Bartrons, Mireia; Berger, Stella A.; Biernaczyk, Marcin; Bissen, Raphael; Brookes, Justin D.; Brown, David; Cañedo-Argüelles, Miguel; Canle, Moisés; Capelli, Camilla; Carballeira, Rafael; Cereijo Arango, José Luis; Chawchai, Sakonvan; Christensen, Søren Thromsholdt; Christoffersen, Kirsten Seestern; Eyto, Elvira de; Delgado Martín, Jordi; Dornan, Tyler; Doubek, Jonathan; Dusaucy, Julia; Erina, Oxana; Ersoy, Zeynep; Feuchtmayr, Heidrun; Frezzotti, Maria Luce; Galafassi, Silvia; Gateuille, David; Gonçalves, Vítor; Grossart, Hans-Peter; Hamilton, David P.; Harris, Theodore; Kangur, Külli; Başaran Kankılıç, Gökben; Kessler, Rebecca; Kiel, Christine; Krynak, Edward M.; Leiva-Presa, Àngels; Lepori, Fabio; Matias, Miguel G.; Matsuzaki, Shin-ichiro; McElarney, Yvonne; Messyasz, Beata; Mitchell, Mark; Mlambo, Musa C.; Motitsoe, Samuel Nkopane; Nandini, S.; Orlandi, Valentina; Owens, Caroline; Özkundakci, Deniz; Pinnow, Solvig; Pociecha, Agnieszka; Raposeiro, Pedro; Rõõm, Eva-Ingrid; Rotta, Federica; Salmaso, Nico; Sarma, S. S. S.; Sartirana, Davide; Scordo, Facundo; Sibomana, Claver; Siewert, Daniel; Stepanowska, Katarzyna Ewa; Tavşanoğlu, Ülkü Nihan; Tereshina, Maria; Thompson, James; Tolotti, Monica; Valois, Amanda; Verburg, Piet; Welsh, Brittany; Wesolek, Brian; Weyhenmeyer, Gesa; Wu, Naicheng; Zawisza, Edyta; Zink, Lauren; Leoni, Barbara (Springer Nature, 2023)
      [Abstract] Plastic debris is thought to be widespread in freshwater ecosystems globally1. However, a lack of comprehensive and comparable data makes rigorous assessment of its distribution challenging2,3. Here we present ...

    • Preparation, Characterization and Testing of a Bulky Non-supported Photocatalyst for Water Pollution Abatement 

      Aguilar, Silvio D.; Rodríguez Ramos, Daniel; Santaballa, J. Arturo; Canle, Moisés (Elsevier, 2023-03-15)
      [Abstract] An innovative bulky photocatalyst for water decontamination has been developed. The semiconductor (TiO2) is homogeneously distributed in an aggregating material through the whole piece. This design prevents the ...