Now showing items 21-40 of 59

    • Glossary of class names of polymers based on chemical structure and molecular architecture 

      Barón, Máximo; Hellwich, Karl-Heinz; Hess, Michael; Horie, Kazuyuki; Jenkins, Aubrey D.; Jones, Richard G.; Kahovec, Jaroslav; Kratochvíl, Pavel; Metanomski, W. Val; Mormann, Werner; Stepto, Robert F. T.; Vohlídal, Jiří; Wilks, Edward S. (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2009)
      Abstract: This document defines class names of polymers based on the class names of starting monomers and characteristic features of the chemical constitution of polymer molecules (macromolecules), i.e., class names that ...
    • Definitions of basic terms relating to low-molar-mass and polymer liquid crystals 

      Barón, Máximo (Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales. Investigación, 2009)
      This document is the first published by the IUPAC Commission on Macromolecular Nomenclature dealing specifically with liquid crystals. Because of the breadth of its scope, it has been prepared in collaboration with ...
    • Synthetic Organometallic Radical Chemistry in Water 

      Postigo, Al (Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales. Investigación, 2009)
      Several organic radical transformations in aqueous media using organometallic chemistry are presented. Group XIV-elements, such as Si and Ge, and Sn-centered radicals make use of novel methodologies in water which employ ...
    • Different radical initiation techniques of hydrosilylation reactions of multiple bonds in water: thermal and photochemical initiation 

      Calandra, Julia; Postigo, Al; Russo, Diana; Sbarbati Nudelman, Norma; Tereñas, Juan José (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2010)
      The classical radical-based hydrosilylation reaction of organic compounds bearing C C multiple bonds is usually carried out in organic solvents and is herein presented in water with both hydrophobic and hydrophilic substrates. ...
    • In vitro assembly of the feline immunodeficiency virus Gag polyprotein 

      Affranchino, José L.; González, Silvia A. (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2010)
      The retroviral Gag protein is the only viral product that is necessary for the assembly of virions in mammalian cells. We have established an in vitro assembly system to study the assembly properties of purified feline ...
    • (Me3Si)3SiH-Mediated Intermolecular Radical Perfluoroalkylation Reactions of Olefins in Water 

      Barata-Vallejo, Sebastián; Postigo, Al (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2010)
      Perfluoroalkyl-substituted compounds are regarded as important components of fluorophors and for the introduction of fluorous tags into organic substrates. Their syntheses in organic solvents are achieved through different ...
    • Aplicación del cine como estrategia didáctica para la enseñanza de la investigación científica 

      Moratal Ibáñez, Laura María; Bertilotti, Laura; Debenedetti, Silvia; Degrossi, Claudia; Aldana Marcos, Hernán (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Facultad de Ciencias de la Salud - Proyectos de Investigación, 2010)
      El trabajo versa sobre la problemática, propósitos, actividades y logros de la utilización del cine como estrategia didáctica para la temática de investigación, donde además de la incorporación de conocimientos específicos ...
    • Radiation Chemical Studies of Methionine in Aqueous Solution: Understanding the Role of Molecular Oxygen 

      Barata-Vallejo, Sebastián; Ferreri, Carla; Postigo, Al; Chatgilialoglu, Chryssostomos (Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales. Investigación, 2010)
      The oxidation of methionine is an important reaction in the biological milieu. Despite a few decades of intense studies, several fundamental aspects remain to be defined. We have investigated in detail the γ-radiolysis ...
    • Revista de Medicina y Cine - vol6 num1 

      Moratal Ibáñez, Laura María; Bertilotti, Laura; Debenedetti, Silvia; Degrossi, Claudia; Aldana Marcos, Hernán (Universidad de Belgrano - Facultad de Ciencias Exactas, 2010)
      El trabajo versa sobre la problemática, propósitos, actividades y logros de la utilización del cine como estrategia didáctica para la temática de investigación, donde además de la incorporación de conocimientos específicos ...
    • Prebióticos en salud infantil - Prebiotics in infant health 

      Menéndez, Ana M.; Chirdo, Fernando G.; Pita Martín de Portela, María L.; Sosa, Patricia; Trifone, Liliana; Toca, María del C.; Vecchiarelli, Carmen (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2011)
      La composición de la leche materna es la base principal para el desarrollo de fórmulas infan-tiles en cuanto a su contenido de macronutrien-tes, micronutrientes y compuestos bioactivos. Los avances tecnológicos en el ...
    • Mapping of the Self-Interaction Domains in the Simian Immunodeficiency Virus Gag Polyprotein 

      Rauddi, María L.; Mac Donald, Cecilia L.; Affranchino, José L.; González, Silvia A. (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2011)
      To gain a better understanding of the assembly process in simian immunodeficiency virus (SIV), we first established the conditions under which recombinant SIV Gag lacking the C-terminal p6 domain (SIV GagΔp6) assembled in ...
    • Interconversion Study in 1,4-Substituted Six-Membered Cyclohexane-Type Rings. Structure and Dynamics of trans-1,4-Dibromo-1,4-dicyanocyclohexane 

      Bain, Alex D.; Baron, Maximo; Burger, Steven K; Kowalewski, Valdemar J.; Rodríguez, Marina Belén (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2011)
      Cyclohexane is an extremely flexible molecule that oscillates, at room temperature, between two clearly distinct and extreme conformations that cannot be distinguished at room temperature; so much so that the NMR spectrum ...
    • Organic radical reactions in water and alternative media 

      Postigo, Alberto (Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales. Investigación, 2011)
      Chemistry research and applications
    • Organic Synthesis in Water Mediated By Silyl Radicals 

      Barata-Vallejo, Sebastian; Sbarbati Nudelman, Norma; Postigo, Al (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2011)
      This account is focused on highlighting the recent advances on synthetically-useful organic reactions employing siliconcentered radicals in water, and presenting new reactions in water, mediated by silyl radicals. In doing ...
    • Assay of caffeoylquinic acids in Baccharis trimera by reversed-phase liquid chromatography 

      Aboy, Ana Lúcia; Anders Apel, Miriam; Debenedetti, Sílvia; Francescato, Leandro; Rosella, María Adelaida; Henriques, Amélia Teresinha (Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales. Proyectos de Investigación, 2012)
      Baccharis trimera commonly named ‘carqueja’, is wide-spread in South America and are used as raw material for herbal medicines. A reversed-phase liquid chromatography (RP-LC) method coupled to diode array detector was ...
    • Palmitoylation of the feline immunodeficiency virus envelope glycoprotein and its effect on fusion activity and envelope incorporation into virions 

      González, Silvia A.; Paladino, Mónica G.; Affranchino, José L. (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2012)
      The feline immunodeficiency virus (FIV) envelope glycoprotein (Env) possesses a short cytoplasmic domain of 53 amino acids containing four highly conserved cysteines at Env positions 804, 811, 815 and 848. Since ...
    • Critical care provider’s opinion on unsafe abortion in Argentina 

      Vasquez, Daniela N.; Das Neves, Andrea V.; Golubicki, José L.; Di Marco, Ingrid; Loudet, Cecilia I.; Roberti, Javier E.; Palacios-Jaraquemada, Jose; Basualdo, Natalia; Varaglia, Ruben; Vidal, Laura (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2012)
      Objective To survey the opinion of critical care providers in Argentina about abortion. Methods An anonymous questionnaire was distributed to critical care providers attending the 20th National Critical Care Conference ...
    • Streamlining free radical green chemistry 

      Perchyonok, Tamara; Lykakis, Ioannis; Postigo, Al (Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales. Investigación, 2012)
      This practical and concise guide showcases the sustainable methods offered by green free radical chemistry and summarizes the fundamental science involved. It discusses free radical chemistry in aqueous systems for synthetic ...
    • Complexes of Nile Red and - or -cyclodextrin: A semiempirical-density functional theory-molecular dynamics route 

      Hojvat, Ruth; Barbiric, Dora A.; Castro, Eduardo A. (Universidad de Belgrano - Facultad de Ciencias Exactas y Naturales - Proyectos de Investigación, 2012)
      The association of Nile Red (NR) with -, and -cyclodextrins (CDs) was analyzed by semiempirical parametric method 3 (PM3), density functional theory-Becke, three-parameter, Lee-Yang-Parr hybrid functional (DFT-B3LYP/6-31G), ...
    • Identification of phenolic compounds in Equisetum giganteum by LC–ESI-MS/MS and a new approach to total flavonoid quantification 

      Francescato, Leandro N.; Debenedetti, Silvia L.; Schwanz, Thiago G.; Bassani, Valquiria L.; Henriques, Amélia T. (Universidad de Belgrano. Facultad de Ciencias Exactas y Naturales. Proyectos de Investigación, 2013)
      Equisetum giganteum L., commonly called “giant horsetail”, is an endemic species of Latin America. Its aerial parts have been widely used in ethnomedicine as a diuretic and in herbal medicine and food supplements as a raw ...