Listar GI-REACT! - Artigos por título

Mostrando ítems 54-73 de 103

    • 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 ...

    • Receptor versus counterion: capability of N,N′‐Bis(2‐aminobenzyl)‐diazacrowns for giving endo‐ and/or exocyclic coordination of ZnII 

      Vaiana, Lea; Platas-Iglesias, Carlos; Esteban-Gómez, David; Avecilla, Fernando; Blas, Andrés de; Rodríguez-Blas, Teresa (Wiley, 2007-03-20)
      [Abstract] The structure of ZnII complexes with receptors L1 and L2[L1 = N,N′‐bis(2‐aminobenzyl)‐1,10‐diaza‐15‐crown‐5 and L2 = N,N′‐bis(2‐aminobenzyl)‐4,13‐diaza‐18‐crown‐6] was studied both in the solid state and in ...

    • Recognition of AMP, ADP and ATP through cooperative binding by Cu(II) and Zn(II) complexes containing urea and/or phenylboronic acid moieties 

      Carreira-Barral, Israel; Fernández-Pérez, María-Isabel; Mato-Iglesias, Marta; Blas, Andrés de; Platas-Iglesias, Carlos; Esteban-Gómez, David (MDPI, 2018)
      [Abstract] We report a series of Cu(II) and Zn(II) complexes with different ligands containing a dipicolyl unit functionalized with urea groups that may contain or not a phenylboronic acid function. These complexes were ...

    • Reinforced Ni(ɪɪ)-Cyclam Derivatives as Dual ¹H/¹⁹F MRI Probes 

      Pujales-Paradela, Rosa; Savic, Tanja; Brandariz, Isabel; Pérez-Lourido, Paulo; Angelovski, Goran; Esteban-Gómez, David; Platas-Iglesias, Carlos (Royal Society of Chemistry, 2019-03-11)
      [Abstract] Reinforced cross-bridged Ni²⁺-cyclam complexes were functionalised with pendant arms containing both amide protons and CF₃ groups that lead to a dual ¹H/¹⁹F response. The resulting complexes possess very high ...

    • Relevance of Palladium to Radiopharmaceutical Development Considering Enhanced Coordination Properties of TE1PA 

      Pineau, Julie; Lima, Luís M. P.; Platas-Iglesias, Carlos; Zeevaart, Jan Rijn; Driver, Cathryn H. S.; Le Bris, Nathalie; Tripier, Raphaël (Wiley, 2022-06-10)
      [Abstract] The limited use of palladium-103 and -109 radionuclides for molecular radiotherapy is surely due to the lack of appropriate ligands capable of fulfilling all criteria required for application in nuclear medicine. ...

    • Removal of Emerging Pollutants by a 3-Step System: Hybrid Digester, Vertical Flow Constructed Wetland and Photodegradation Post-treatments 

      Sánchez Núñez, Marta; Rodríguez Ramos, Daniel; Fernández-Pérez, María-Isabel; Aguilar, Silvio D.; Ruiz, Isabel; Canle, Moisés; Soto, Manuel (Elsevier, 2022-06-22)
      [Abstract] The removal of emerging pollutants from municipal wastewater was studied for the first time using a three-step pilot-scale system: 1) hybrid digester (HD) as first step, 2) subsurface vertical flow constructed ...

    • Removal of Paracetamol in the Presence of Iron(III) Complexes of Glutamic and Lactic Acid in Aqueous Solution Under NUV Irradiation 

      Benssassi, Mohamed El Hadi; Mammeri, Lamia; Talbi, Khouloud; Lekikot, Bouchra; Sehili, Tahar; Santaballa, J. Arturo; Canle, Moisés (Elsevier, 2021-01-05)
      [Abstract] Low concentrations of drugs and their metabolites occurring on the aquatic environment are of significant concern due to their potential effects. This work reports on the removal from aqueous solution, of ...

    • Rigidified Derivative of the Non-macrocyclic Ligand H₄OCTAPA for Stable Lanthanide(III) Complexation 

      Lucio Martínez, Fátima; Garda, Zoltán; Váradi, Balázs; Kálmán, Ferenc; Esteban-Gómez, David; Tóth, Éva; Tircsó, Gyula; Platas-Iglesias, Carlos (American Chemical Society, 2022-03-11)
      [Abstract] The stability constants of lanthanide complexes with the potentially octadentate ligand CHXOCTAPA4–, which contains a rigid 1,2-diaminocyclohexane scaffold functionalized with two acetate and two picolinate ...

    • Room temperature molecular up conversion in solution 

      Nonat, Aline; Chan, Chi Fai; Liu, Tao; Platas-Iglesias, Carlos; Liu, Zhenyu; Wong, Wing-Tak; Wong, Wai-Kwok; Wong, Ka-Leung; Charbonnière, Loïc J. (Springer Nature, 2016-06-15)
      [Abstract] Up conversion is an Anti-Stokes luminescent process by which photons of low energy are piled up to generate light at a higher energy. Here we show that the addition of fluoride anions to a D2O solution of a ...

    • Selective growth inhibition of cancer cells with doxorubicin-loaded CB[7]-modified iron-oxide nanoparticles 

      Benyettou, Farah; Fahs, H.; Elkharrag, R.; Bilbeisi, Rana A.; Asmaa, Bouakaz; Rezgui, Rachid; Motte, Laurence; Magzoub, Mazin; Brandel, J.; Olsen, John-Carl; Piano, F.; Gunsalus, K. C.; Platas-Iglesias, Carlos; Trabolsi, Ali (Royal Society of Chemistry, 2017-05-03)
      [Abstract] Cucurbit[7]uril-modified iron-oxide nanoparticles (CB[7]NPs) were loaded with doxorubicin hydrochloride (Dox) and tested as a drug delivery system. Dox was found to interact with the carbonyl-rich rims of the ...