Now showing items 74-93 of 384

    • Deactivation of a dimeric DNA-binding peptide through a palladium-mediated self-immolative cleavage 

      Rodríguez Villar, Jéssica; Pérez González, Cibrán; Martínez Calvo, Miguel; Mosquera Mosquera, Jesús; Mascareñas Cid, José Luis (Royal Society of Chemistry, 2022)
      Herein, we describe an approach for the on-demand disassembly of dimeric peptides using a palladium-mediated cleavage of a designed self-immolative linker. The utility of the strategy is demonstrated for the case of dimeric ...
    • Decoding the ECD Spectra of Poly(phenylacetylene)s: Structural Significance 

      Fernández Rodríguez, Berta; Rodríguez Riego, Rafael; Quiñoá Cabana, Emilio; Riguera Vega, Ricardo; Freire Iribarne, Félix Manuel (American Chemical Society, 2019-03-13)
      The role of the main dihedral angles in the electronic circular dichroism (ECD) spectra of poly(phenylacetylene)s (PPAs) was estimated by using time-dependent density functional theory (TD-DFT) for oligo(phenylacetylene)s ...
    • Defining the Nature of Thermal Intermediate in 3 State Folding Proteins: Apoflavodoxin, a Study Case 

      García Fandiño, Rebeca; Bernadó, Pau; Ayuso Tejedor, Sara; Sancho, Javier; Orozco, Modesto (Plos, 2012)
      The early stages of the thermal unfolding of apoflavodoxin have been determined by using atomistic multi microsecondscale molecular dynamics (MD) simulations complemented with a variety of experimental techniques. Results ...
    • Dendrimer mediated clustering of bacteria: improved aggregation and evaluation of bacterial response and viability 

      Leire, Emma; Amaral, Sandra P.; Louzao Pernas, Iria; Winzer, Klaus; Alexander, Cameron; Fernández Megía, Eduardo; Fernández Trillo, Francisco (Royal Society of Chemistry, 2016)
      Here, we evaluate how cationic gallic acid-triethylene glycol (GATG) dendrimers interact with bacteria and their potential to develop new antimicrobials. We demonstrate that GATG dendrimers functionalised with primary ...
    • Dendrimers as Color-Stabilizers of Pyranoanthocyanins: the Dye Concentration Governs the Host-Guest Interaction Mechanisms 

      Cruz, Luis; Correa Chinea, Juan Francisco; Mateus, Nuno; Freitas, Víctor de; Tawara, Maun H.; Fernández Megía, Eduardo (ACS, 2021)
      Anionic dendrimers have recently emerged as hosts (H) for the color stabilization of the flavylium cation of anthocyanin guests (G). The interaction with a promising, more hydrophobic pyranoanthocyanin illustrates how the ...
    • Dendrimers as Innovative Radiopharmaceuticals in Cancer Radionanotherapy 

      Liko, Flonja; Hindré, François; Fernández Megía, Eduardo (American Chemical Society, 2016)
      Radiotherapy is one of the most commonly used cancer treatments, with an estimate of 40% success that could be improved further if more efficient targeting and retention of radiation at the tumor site were achieved. This ...
    • Dendrimers reduce toxicity of Aβ 1-28 peptide during aggregation and accelerate fibril formation 

      Klajnert, Barbara; Wasiak, Tomasz; Ionov, Maksim; Fernández Villamarín, Marcos; Sousa Hervés, Ana; Correa, Juan; Riguera Vega, Ricardo; Fernández Megía, Eduardo (Elsevier, 2012-11)
      The influence of a GATG (gallic acid-triethylene glycol) dendrimer decorated with 27 terminal morpholine groups ([G3]-Mor) on the aggregation process of Alzheimer's peptide has been investigated. Amyloid fibrils were formed ...
    • A dendrimer–hydrophobic interaction synergy improves the stability of polyion complex micelles 

      Fernández Villamarín, Marcos; Sousa Hervés, Ana; Porto, Silvia; Guldris, Noelia; Martínez Costas, José Manuel; Riguera Vega, Ricardo; Fernández Megía, Eduardo (Royal Society of Chemistry, 2017-03-28)
      Polyion complex (PIC) micelles incorporating PEG-dendritic copolymers display an unprecedented stability towards ionic strength that is amplified via hydrophobic interactions. The tridimensional orientation of peripheral ...
    • Design, synthesis, evaluation and structure of Allenic 1α,25-Dihydroxyvitamin D3 analogs with locked mobility at C-17 

      Fraga Mallo, Ramón; Len, Kateryna; Regis, Lutzing; Laverny, Gilles; Loureiro, Julián; Maestro Saavedra, Miguel Anxo; Rochel, Natacha; Rodriguez-Borges, José Enrique; Mouriño Mosquera, Antonio (Wiley, 2021)
      Vitamin D receptor ligands have potential for the treatment of hyperproliferative diseases and disorders related to the immune system. However, hypercalcemic effects limit their therapeutical uses and call for the development ...
    • A designed DNA binding motif that recognizes extended sites and spans two adjacent major grooves 

      Rodríguez Villar, Jéssica; Mosquera Mosquera, Jesús; García Fandiño, Rebeca; Vázquez Sentís, Marco Eugenio; Mascareñas Cid, José Luis (Royal Society of Chemistry, 2016-02-05)
      We report the rational design of a DNA-binding peptide construct composed of the DNA-contacting regions of two transcription factors (GCN4 and GAGA) linked through an AT-hook DNA anchor. The resulting chimera, which ...
    • A designed DNA binding motif that recognizes extended sites and spans two adjacent major grooves 

      Rodríguez Villar, Jéssica; Mosquera Mosquera, Jesús; García Fandiño, Rebeca; Vázquez Sentís, Marco Eugenio; Mascareñas Cid, José Luis (Royal Society of Chemistry, 2016)
      We report the rational design of a DNA-binding peptide construct composed of the DNA-contacting regions of two transcription factors (GCN4 and GAGA) linked through an AT-hook DNA anchor. The resulting chimera, which ...
    • Designing Irreversible Inhibitors—Worth the Effort? 

      González Bello, Concepción (Wiley, 2016-01-07)
      Despite the unquestionable success of numerous irreversible drugs that are currently in clinical use, such as acetylsalicylic acid (Aspirin) and penicillin, the number of such approved drugs is much lower than that of ...
    • Detection of drug-drug interactions by modeling interaction profile fingerprints 

      Vilar Varela, Santiago; Uriarte Villares, Eugenio; Santana Penín, María Lourdes; Tatonetti, Nicholas P.; Friedman, Carol (PLOS, 2013)
      Drug-drug interactions (DDIs) constitute an important problem in postmarketing pharmacovigilance and in the development of new drugs. The effectiveness or toxicity of a medication could be affected by the co-administration ...
    • Detection of phosphorylation states by intermolecular sensitization of lanthanide–peptide conjugates 

      Pazos Chantrero, Elena; Goličnik, Marko; Mascareñas Cid, José Luis; Vázquez Sentís, Marco Eugenio (Royal Society of Chemistry, 2012)
      The luminescence of a designed peptide equipped with a coordinatively-unsaturated lanthanide complex is modulated by the phosphorylation state of a serine residue in the sequence. While the phosphorylated state is weakly ...
    • Development of fluorescent probes that target serotonin 5-HT2B receptors 

      Azuaje Guerrero, Jhonny Alberto; López, Paula; Iglesias Fernández, Alba; Fuente, Rocío de la; Pérez Rubio, José M.; García Peña, Diego; Stępniewski, Tomasz Maciej; García Mera, Xerardo Xusto; Brea Floriani, José Manuel; Selent, Jana; Pérez Meirás, María Dolores; Castro Pérez, María de los Ángeles; Loza García, María Isabel; Sotelo Pérez, Eddy (Nature Publishing Group, 2017)
      Some 5-HT2B fluorescent probes were obtained by tagging 1-(2,5-dimethoxy-4-iodophenyl)-propan2-amine (DOI) with a subset of fluorescent amines. Some of the resulting fluorescent ligands showed excellent affinity and ...
    • DFT and Kinetic Monte Carlo Study of TMS-Substituted Ruthenium Vinyl Carbenes: Key Intermediates for Stereoselective Cyclizations 

      Cambeiro Cambeiro, Fermín; Martínez Núñez, Emilio; Varela Carrete, Jesús Ángel; Saá Rodríguez, Carlos (American Chemical Society, 2015)
      Mechanistic pathways for the cyclization of 1,5-alkynylacetal with N2CHTMS in the presence of Cp- and Cp*RuCl(cod) to afford Z and E (trimethylsilyl)vinyl spiroacetals have been calculated. Calculations show the presence ...
    • Different-Length Hydrazone Activated Polymers for Plasmid DNA Condensation and Cellular Transfection 

      Priegue Caamaño, Juan Manuel; Lostalé Seijo, Irene; Crisan, Daniel; Granja Guillán, Juan Ramón; Fernández Trillo, Francisco; Montenegro García, Javier (American Chemical Society, 2018)
      The recent advances in genetic engineering demand the development of conceptually new methods to prepare and identify efficient vectors for the intracellular delivery of different nucleotide payloads ranging from short ...
    • Dihydrobiphenylenes through Ruthenium‐Catalyzed [2+2+2] Cycloadditions of ortho‐Alkenylarylacetylenes with Alkynes 

      García Rubín, Silvia; González Rodríguez, Carlos; García Yebra, Cristina; Varela Carrete, Jesús Ángel; Esteruelas Rodrigo, Miguel Ángel; Saá Rodríguez, Carlos (Wiley, 2014)
      A new synthetic route to dihydrobiphenylenes has been developed. The process involves a mild RuII‐catalyzed [2+2+2] dimerization of ortho‐alkenylarylacetylenes or its more versatile variant, the Ru‐catalyzed [2+2+2] ...
    • Directed self-assembly of trimeric DNA-bindingchiral miniprotein helicates 

      Gómez González, Jacobo; Peña Gil, Diego; Barka, Ghofrane; Sciortino, Giuseppe; Maréchal, Jean-Didier; Vázquez López, Miguel; Vázquez Sentís, Marco Eugenio (Frontiers Media, 2018)
      We propose that peptides are highly versatile platforms for the precise design of supramolecular metal architectures, and particularly, for the controlled assembly of helicates. In this context, we show that the bacteriophage ...
    • Disclosing an NMR-Invisible Fraction in Chitosan and PEGylated Copolymers and Its Role on the Determination of Degrees of Substitution 

      Novoa Carballal, Ramón; Riguera Vega, Ricardo; Fernández Megía, Eduardo (American Chemical Society, 2013)
      An unexpected 1H NMR invisible fraction (IF) for chitosan (CS) and CS-g-PEG is reported. The presence of this IF is remarkable considering that solution NMR is recognized as the method of choice for studying structural ...





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