Now showing items 1-20 of 44

    • A novel zinc(II) complex with the ligand 2,20,200-(1,4,7-triazanonane-1,4,7-triyl)- triacetate (NOTA) 

      Pereira García, Iria; Macías Luaces, Alejandro Alberto; Bastida de la Calle, María Rufina; Valencia Matarranz, Laura (Int Union Crystallography, 2009)
      The zinc(II) complex with NOTA [2,20 ,200-(1,4,7-triazanonane1,4,7-triyl)triacetate] has previously been synthesized and studied in solution, but was not isolated. The corresponding title ZnII complex pentasodium(I) ...
    • A chemosensor for dihydrogenphosphate based on an oxoazamacrocycle possessing three thiourea arms 

      Aldrey, Anxela; Macías, Alejandro; Bastida, Rufina; Zaragoza, Guillermo; Rama, Gustavo; Vázquez López, Miguel (Royal Society of Chemistry, 2012)
      We report a new H-bond macrocyclic chromogenic chemosensor in organic media, H3L, which displayed drastic changes in its UV–vis spectra revealing selectivity for dihydrogenphosphate over other inorganic anions, such as ...
    • Synthesis and antimicrobial activities of gold(I) sulfanylcarboxylates 

      Barreiro Magdaleno, Elena; Casas Fernández, José Sergio; Couce, María D.; Sánchez Díaz, Agustín; Seoane Prado, Rafael; Pérez Estévez, Antonio; Sordo Rodríguez, José (Springer, 2012)
      Reaction of NaAuCl4·H2O and thiodiglycol (1:3 molar ratio) with 3-(aryl)-2-sulfanylpropenoic acids, H2 xspa = [x:p = 3-phenyl-, f = 3-(2-furyl)-, t = 3-(2-thienyl)-, o-py = 3-(2-pyridyl)-, Clp = 3-(2-chlorophenyl)-, ...
    • Stereoselective Formation of Chiral Metallopeptides 

      Rama, Gustavo; Ardá, Ana; Maréchal, Jean-Didier; Gamba, Ilaria; Ishida, Hitoshi; Jiménez Barbero, Jesús; Vázquez Sentís, Marco Eugenio; Vázquez López, Miguel (Wiley, 2012-05-03)
      Playing into our hands: The achiral bipyridine amino acid fluorenylmethyloxycarbonyl 5‐amino‐3‐oxapentanoic acid (Fmoc‐O1PenBpy‐OH) has been used for the solid‐phase synthesis of metallopeptides. Circular dichroism, molecular ...
    • Biomimetic Catalysts for Oxidation of Veratryl Alcohol, a Lignin Model Compound 

      González Riopedre, Gustavo; Fernández García, María Isabel; Gómez Fórneas, Esther; Maneiro Maneiro, Marcelino (MDPI, 2013)
      Kraft pulp has to be bleached to eliminate the chromophoric structures, which cause a darkening of the pulp. In Nature, an equivalent role is assumed by ligninolytic enzymes such as lignin peroxidases, manganese peroxidases ...
    • Polyamine ligand-mediated self-assembly of gold and silver nanoparticles into chainlike structures in aqueousSolution: towards new nanostructured chemosensors 

      Fernández Lodeiro, Adrián; Fernández Lodeiro, Javier; Núñez, Cristina; Bastida, Rufina; Capelo, José Luis; Lodeiro, Carlos (Wiley, 2013)
      Polyamine ligands are very versatile compounds due to their water solubility and flexibility. In the present work, we have exploited the binding ability of a polyamine molecular linker (L 2−) bearing different functional ...
    • Custom‐Fit Ruthenium(II) Metallopeptides: A New Twist to DNA Binding With Coordination Compounds 

      Gamba, Ilaria; Salvadó, Iria; Rama, Gustavo; Bertazzon, Miriam; Sánchez López, Mateo Isidro; Sánchez-Pedregal, Víctor M.; Martínez Costas, José Manuel; Brissos, Rosa F.; Gamez, Patrick; Mascareñas Cid, José Luis; Vázquez López, Miguel; Vázquez Sentís, Marco Eugenio (Wiley, 2013)
    • Rhodamine‐appended bipyridine: XOR and OR logic operations integrated in an example of controlled metal migration 

      Núñez González, Cristina; Santos, Sergio M.; Oliveira, Elisabete; Santos, Hugo M.; Capelo, José Luis; Lodeiro, Carlos (Wiley, 2014)
      A new bipyridyl derivative 1 bearing rhodamine B as visible fluorophore was designed, synthesized and characterized as a fluorescent and colorimetric sensor for metal ions. Interaction with Cu2+, Zn2+, Cd2+, Hg+, and Hg2+ ...
    • Analytical strategies based on quantum dots for heavy metal ions detection 

      Vázquez González, Margarita; Carrillo Carrión, Carolina (SPIE Digital Library, 2014)
      Heavy metal contamination is one of the major concerns to human health because these substances are toxic and retained by the ecological system. Therefore, in recent years, there has been a pressing need for fast and ...
    • Programmed stereoselective assembly of DNA-binding helical metallopeptides 

      Gamba, Ilaria; Rama, Gustavo; Ortega-Carrasco, Elisabeth; Maréchal, Jean-Didier; Martínez Costas, José Manuel; Vázquez Sentís, Marco Eugenio; Vázquez López, Miguel (Royal Society of Chemistry, 2014)
      A flexible and versatile synthetic approach for the construction of water-stable DNA-binding chiral peptide helicates based on the solid phase peptide synthesis (SPPS) methodology is reported
    • Copper(II) Complexes of Cyclams Containing Nitrophenyl Substituents: Push–Pull Behavior and Scorpionate Coordination of the Nitro Group 

      Boiocchi, Massimo; Ciarrocchi, Carlo; Fabbrizzi, Luigi; Licchelli, Maurizio; Mangano, Carlo; Poggi, Antonio; Vázquez López, Miguel (American Chemical Society, 2015)
      The three nitrophenyl–cyclam derivatives (nitrocyclams): 1-(4-nitrophenyl)-1,4,8,11-tetraazacyclotetradecane (2), 1-(2-nitrophenyl)-1,4,8,11-tetraazacyclotetradecane (3), and 1-(2,4-dinitrophenyl)-1,4,8,11-tetraazacyclotetradecane ...
    • Mimicking Peroxidase Activity by a Manganese(II) Complex Involving a New Asymmetric Tetradentate Ligand Containing Both Amino and Imino Groups 

      Pérez Otero, Yolanda; Fernández García, María Isabel; Gómez Fórneas, Esther; González Riopedre, Gustavo; Maneiro Maneiro, Marcelino (Hindawi, 2015)
      The asymmetric ligand (E)-4-bromo-2-(((2-((5-bromo-2-hydroxybenzyl)(methyl)amino)ethyl)imino)methyl)phenol has been prepared by a novel seven-step route. All organic compounds isolated in each step have been characterised ...
    • The folding of a metallopeptide 

      Gamba, Ilaria; Rama, Gustavo; Ortega-Carrasco, Elisabeth; Berardozzi, Roberto; Sánchez-Pedregal, Víctor M.; Di Bari, Lorenzo; Maréchal, Jean-Didier; Vázquez Sentís, Marco Eugenio; Vázquez López, Miguel (Royal Society of Chemistry, 2016)
      We have applied solid-phase synthesis methods for the construction of tris(bipyridyl) peptidic ligands that coordinate Fe(II) ions with high affinity and fold into stable mononuclear metallopeptides. The main factors ...
    • High-affinity sequence-selective DNA binding by iridium(III) polypyridyl organometallopeptides 

      Gamba, Ilaria; Salvadó, Iria; Brissos, Rosa F.; Gamez, Patrick; Brea Floriani, José Manuel; Loza García, María Isabel; Vázquez Sentís, Marco Eugenio; Vázquez López, Miguel (Royal Society of Chemistry, 2016)
      We demonstrate the application of solid-phase peptide synthesis methods for the straightforward assembly of polynuclear Ir(III) organometallopeptides, and show that their oligoarginine derivatives exhibit high DNA binding ...
    • Membrane-disrupting iridium(III) oligocationic organometallopeptides 

      Salvadó, Iria; Gamba, Ilaria; Montenegro García, Javier; Martínez Costas, José Manuel; Brea Floriani, José Manuel; Loza García, María Isabel; Vázquez López, Miguel; Vázquez Sentís, Marco Eugenio (Royal Society of Chemistry, 2016-08-19)
      A series of oligoarginine peptide derivatives containing cyclometallated iridium(III) units display remarkable cytotoxicity, comparable to that of cisplatin. In vitro studies with unilamellar vesicles support a membrane-disrupting ...
    • Synthesis, characterization, and catalytic studies of Mn(III)-Schiff base-dicyanamide complexes: checking the rhombicity effect in peroxidase studies 

      Bermejo Patiño, Manuel Rafael; Carballido Piñeiro, Rocío; Fernández García, María Isabel; González Noya, Ana María; González Riopedre, Gustavo; Maneiro Maneiro, Marcelino; Rodríguez Silva, Laura (Hindawi, 2017)
      The condensation of 3-methoxy-2-hydroxybenzaldehyde and the diamines 1,2-diphenylendiamine, 1,2-diamine-2-methylpropane and 1,3-propanediamine yielded the dianionic tetradentate Schiff base ligands N,N′-bis(2-hydroxy-4-m ...
    • Recruitment of RNA molecules by connexin RNA-binding motifs: Implication in RNA and DNA transport through microvesicles and exosomes 

      Varela-Eirin, Marta; Varela-Vazquez, Adrian; Rodríguez-Candela Mateos, Marina; Vila-Sanjurjo, Anton; Fonseca, Eduardo; Mascareñas Cid, José Luis; Vázquez Sentís, Marco Eugenio; Mayan, Maria D. (Elsevier, 2017-04)
      Connexins (Cxs) are integral membrane proteins that form high-conductance plasma membrane channels, allowing communication from cell to cell (via gap junctions) and from cells to the extracellular environment (via ...
    • Sequence‐Specific DNA Recognition with Designed Peptides 

      Boga, Sonia; Bouzada, David; García Peña, Diego; Vázquez López, Miguel; Vázquez Sentís, Marco Eugenio (Wiley, 2018)
      Inspired by natural transcription factors (TFs), researchers have explored the potential of artificial peptides for the recognition of specific DNA sequences, developing increasingly sophisticated systems that not only ...
    • 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 Méndez, Lara; Fernández García, María Isabel; Pedrido Castiñeiras, Rosa María; Botana López, Luis Miguel; Esteban Gómez, David; Platas Iglesias, Carlos; Maneiro Maneiro, Marcelino (MDPI, 2018)
      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 Mn4L26Cl2 2 ...
    • Selective G-quadruplex binding by oligoarginine-Ru(dppz) metallopeptides 

      Bouzada, David; Salvadó, Iria; Barka, Ghofrane; Rama, Gustavo; Martínez Costas, José Manuel; Lorca, Romina; Somoza, Álvaro; Melle-Franco, Manuel; Vázquez Sentís, Marco Eugenio; Vázquez López, Miguel (Royal Society of Chemistry, 2018)
      A set of Ru(II) metallopeptides containing the dppz ligand has been synthesized using SPPS methods. Fluorescence titration studies show that those metallopeptides featuring an octaarginine tail display a large binding ...

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