Hybrid β-HgS nanoparticles and P3HT layers for solar cells applications]]> Fornaro, Laura]]> Información sobre Derechos de Autor

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La legislación uruguaya protege el derecho de autor sobre toda creación literaria, científica o artística, tanto en lo que tiene que ver con sus derechos morales, como en lo referente a los derechos patrimoniales con sujeción a lo establecido por el derecho común y las siguientes leyes (LEY 9.739 DE 17 DE DICIEMBRE DE 1937 SOBRE PROPIEDAD LITERARIA Y ARTISTICA CON LAS MODIFICACIONES INTRODUCIDAS POR LA LEY DE DERECHO DE AUTOR Y DERECHOS CONEXOS No. 17.616 DE 10 DE ENERO DE 2003, LEY 17.805 DE 26 DE AGOSTO DE 2004, LEY 18.046 DE 24 DE OCTUBRE DE 2006)

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]]> Sensory characterization of the astringency of commercial Uruguayan Tannat wines]]> Boido, Eduardo]]> Ares, Gastón.]]> Información sobre Derechos de Autor

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]]> Effect of complexation of 3-aminoquinoxaline-2-carbonitrile 1,4-dioxides with palladium and copper on their anti-T. Cruzi activity

]]> Benítez, Diego]]> Lavaggi, Marìa Laura]]> Gambino, Dinorah]]> Torre, María H.]]> Cerecetto, Hugo]]> González Hormaizteguy, María Mercedes]]> Información sobre Derechos de Autor

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(LEY 9.739 DE 17 DE DICIEMBRE DE 1937 SOBRE PROPIEDAD LITERARIA Y ARTISTICA CON LAS MODIFICACIONES INTRODUCIDAS POR LA LEY DE DERECHO DE AUTOR Y DERECHOS CONEXOS No. 17.616 DE 10 DE ENERO DE 2003, LEY 17.805 DE 26 DE AGOSTO DE 2004, LEY 18.046 DE 24 DE OCTUBRE DE 2006 LEY 18.046 DE 24 DE OCTUBRE DE 2006)

ADVERTENCIA - La consulta de este documento queda condicionada a la aceptación de las siguientes condiciones de uso: Este documento es únicamente para usos privados enmarcados en actividades de investigación y docencia. No se autoriza su reproducción con fines de lucro. Esta reserva de derechos afecta tanto los datos del documento como a sus contenidos. En la utilización o cita de partes debe indicarse el nombre de la persona autora.

]]>

]]> Synthesis and spectroscopic characterization of hydroxylamido/amino acid complexes of oxovanadium (V)]]> A series of mixed ligand oxovanadium(V) complexes of the type [VO(NH2O)2(aa)], containing the hydroxylamido ligand and simple amino acids, were prepared and characterized. Seven of these complexes, with aa = valine, leucine, isoleucine, phenylalanine, tryptophan, cysteine and methionine, were described for the first time. Their infrared and Raman spectra, together with those of the previously investigated similar species with aa = glycine, serine, threonine and alanine, and those of the related [VO(NH2O)2(imidazole)2]Cl complex, were recorded and assigned. The spectroscopic behavior of the new complexes is similar to that of the other five, whose structures has been determined by X-ray crystallography, suggesting an identical structure for the full series of complexes. The spectroscopic results also give a better characterization of the vibrational behavior of the interesting O–N–“side-on” bonded hydroxylamido ligand.

]]> Arrambide, Gabriel]]> Baran, Enrique J.]]> Gambino, Dinorah]]> Información sobre Derechos de Autor

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La legislación uruguaya protege el derecho de autor sobre toda creación literaria, científica o artística, tanto en lo que tiene que ver con sus derechos morales, como en lo referente a los derechos patrimoniales con sujeción a lo establecido por el derecho común y las siguientes leyes (LEY 9.739 DE 17 DE DICIEMBRE DE 1937 SOBRE PROPIEDAD LITERARIA Y ARTISTICA CON LAS MODIFICACIONES INTRODUCIDAS POR LA LEY DE DERECHO DE AUTOR Y DERECHOS CONEXOS No. 17.616 DE 10 DE ENERO DE 2003, LEY 17.805 DE 26 DE AGOSTO DE 2004, LEY 18.046 DE 24 DE OCTUBRE DE 2006 LEY 18.046 DE 24 DE OCTUBRE DE 2006)

]]> Spectroscopic behavior and biological activity of K3[VO(=2)2CO3]H2O]]> The potassium salt of the carbonato oxodiperoxovanadate(V) complex, obtained by a known synthetic procedure, was thoroughly characterized by infrared, Raman, and electronic spectroscopy. The bioactivity of the complex on the cell proliferation was tested on osteoblast-like cells (MC3T3E1 osteoblastic mouse calvaria-derived cells and UMR106 rat osteosarcoma-derived cells) in culture. At low doses, the complex is more toxic for the nontransformed osteoblasts than for the tumoral ones, whereas at higher doses the deleterious effects are similar for both cell lines. This peroxo complex seems to be the most toxic compound that has so far been tested on osteoblast-like cells in culture.

]]> Arrambide, Gabriel]]> Rivadeneira, Josefina]]> Etcheverry, Susana B.]]> Parajón-Costa, Beatriz Susana]]> Gambino, Dinorah]]> Baran, Enrique J.]]> Información sobre Derechos de Autor

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]]> Enantiospecific synthesis and insect feeding activity of sulfur-containing cyclitols]]> The first syntheses of two deoxythiocyanocyclitols (4-deoxy-4-thiocyano-L-chiro-inositol and deoxythiocyanoconduritol F) and two deoxysulfonylcyclitol acetals are reported by a chemoenzymatic enantioselective route. The compounds were prepared by a sequence of enzymatic and ruthenium-catalyzed dihydroxylations, and the results were studied regarding reaction conditions and co-catalyst for different derivatives. The new compounds were included in a minilibrary of deoxygenated cyclitols and evaluated for their capacity to influence the feeding behavior of Epilachna paenulata (Coleoptera: Coccinellidae), a common pest of the Curcubitaceae crops.

]]> Bellomo, Ana

]]> Camarano, Soledad

]]> Rossini, Carmen.]]> González, David]]> Información sobre Derechos de Autor

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]]> Chemical reactivity of lithium-doped fullerenes]]> The addition of free radicals and the 1,3 dipolar cycloaddition onto pristine and lithium-doped C60 were studied by means of the Perdew–Burke–Ernzerhof (PBE) and M06-2X density functionals. In all cases, lithium increased the reactivity even though for the 1,3 dipolar cycloaddition onto C60 the change observed with respect to bare C60 was minimal. Both functionals employed gave similar encapsulation energies for Li@C60 namely, 33.1 and 38.2kcal/ mol at the PBE/6-31G* and M06-2X/6-31G*, respectively. However, the increased reactivity because of lithium doping determined at the PBE level is smaller as compared with that computed with the M06-2X functional, whereas that determined at the second-order Møller–Plesset (MP2) level is the largest one. For example, using the M06-2X functional the binding energy of fluorine to Li@C60 is 28.5kcal/mol larger than that determined for C60, whereas at the PBE/6-31G* level it is predicted to be increased by 24.7kcal/mol. The results clearly suggest that Li@C60 is a much better free radical scavenger than C60. Finally, the complex hindered rotations of lithium inside C60 are expected to be strongly inhibited because lithium doping increases the well depth between the cage center and the equilibrium position near the addition site of the lithium atom.

]]> Denis, Pablo A.]]> Información sobre Derechos de Autor

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]]> Alternatives to reduce the bitterness, astringency and characteristic flavour of antioxidant extracts

]]> Ares, Gastón]]> Barreiro, Cecilia]]> Deliza, Rosires]]> Gámbaro García, Adriana]]> Información sobre Derechos de Autor

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La legislación uruguaya protege el derecho de autor sobre toda creación literaria, científica o artística, tanto en lo que tiene que ver con sus derechos morales, como en lo referente a los derechos patrimoniales con sujeción a lo establecido por el derecho común y las siguientes leyes (LEY 9.739 DE 17 DE DICIEMBRE DE 1937 SOBRE PROPIEDAD LITERARIA Y ARTISTICA CON LAS MODIFICACIONES INTRODUCIDAS POR LA LEY DE DERECHO DE AUTOR Y DERECHOS CONEXOS No. 17.616 DE 10 DE ENERO DE 2003, LEY 17.805 DE 26 DE AGOSTO DE 2004, LEY 18.046 DE 24 DE OCTUBRE DE 2006 LEY 18.046 DE 24 DE OCTUBRE DE 2006)

]]> New functional fibre in milk puddings : effect on sensory properties and consumers`acceptability]]> The effect of the addition of a new functional fibre (high-amylose maize starch, HAMS, as a source of resistant starch), recently available in the market, on sensory characteristics and consumers' acceptability of milk puddings was studied. Milk puddings containing modified waxy maize starch and κ-carrageenan were produced with different HAMS concentrations (0, 1, 2, 3 and 4%). Higher HAMS concentration caused changes in the sensory characteristics of milk puddings. Particularly, sensory attributes such as some roughness, rough afterfeel and floury taste appeared. Besides, the addition of HAMS caused an increase in manual and oral thickness and a decrease in creaminess, melting, and sweetness. A HAMS enrichment level of 1.4% in this product was estimated as the maximum concentration that does not significantly modify consumers' overall acceptability. Using survival analysis the proportion of consumers who would buy milk desserts containing 1.4 % HAMS was estimated as 71%. Consumers more interested in consuming functional foods enriched with fibre were more tolerant to the sensory changes caused by the addition of HAMS to the milk puddings.

]]> Ares, Gastón]]> Baixauli, Raquel]]> Sanz, Teresa]]> Varela, Paula]]> Salvador, Ana]]> Información sobre Derechos de Autor

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]]> Impacts of multidisciplinary actions on environmental lead exposure in Uruguay]]> 2.11.0.0]]> 2.11.0.0]]> 2.11.0.0]]> 2.11.0.0]]> 2.11.0.0]]> Environmental lead contamination in Uruguay became a matter of public concern in 2001, when cases of children with blood lead levels (BLL) higher than 20 lg/dl appeared in some low-income neighborhoods of Montevideo, being 10 lg/dl the intervention reference BLL. The aim of this paper is to show the results of multidisciplinary actions taken by decisions makers in social, environmental and healthcare aspects, to minimize lead exposure risks. We evaluated changes in blood lead levels of different children and non-exposed adult populations before and after the actions were taken, from 2001 on. For children populations and non-exposed adults, we found a significant decrease of almost 50% in BLL compared with studies done before the actions were taken. The main action to consider was the phasing out process of leaded gasoline in our country among other. We conclude that the integration of inter and multidisciplinary actions promoted was of high impact on the population, bringing about a public sensitization and growing awareness of the lead environmental risks.

]]> Cousillas, Adriana Z. ]]> Pereira, Laura ]]> Heller, Teresa ]]> Alvarez, Maria Cristina ]]> Mañay, Nelly ]]> 2.11.0.0]]> 2.11.0.0]]> 2.11.0.0]]> Información sobre Derechos de Autor

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]]> 2.11.0.0]]> 2.11.0.0]]> 2.11.0.0]]> 2.11.0.0]]> 2.11.0.0]]> Origin of Epilachna paenulata defensive alkaloids : Incorporation of [1-13C]-sodium acetate and [methyl-2H3]-stearic

]]> Ladybird beetles produce a large number of defensive alkaloids. Previous studies suggest that the structural diversity of these endogenous alkaloids can be traced to a common biosynthetic route based on the condensation of several acetate units. In this study, adults of Epilachna paenulata, a phytophagous neotropical species, were fed on diet enriched with potential precursors (sodium acetate, fatty acids and the amino acids lysine and ornithine) labeled with stable isotopes (13C, 2H and 15N). Labeled acetate was incorporated into the structurally related homotropane and piperidine alkaloids. The later also showed incorporation of [methyl-2H3] stearic acid. Our results hence support a fatty acid pathway for the biosynthesis of E. paenulata alkaloids. To our knowledge, this is the first report on the incorporation of a labeled fatty acid into a defensive piperidine alkaloid in insects

]]> Camarano, Soledad]]> González, Andrés]]> Rossini, Carmen]]> Información sobre Derechos de Autor

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]]> New organoruthenium complexes with bioactive thiosemicarbazones as co-ligands : potential anti-trypanosomal agents]]> In the search for new therapeutic tools against neglected diseases produced by trypanosomatid parasites, and particularly against African Trypanosomiasis, whose etiological agent is Trypanosoma brucei, organoruthenium compounds with bioactive nitrofuran containing thiosemicarbazones (L) as co-ligands were obtained. Four ruthenium(II) complexes with the formula [Ru2(p-cymene)2(L)2]X2, where X = Cl or PF6, were synthesized and the crystal structures of two of them were solved by X-ray diffraction methods. Two of the complexes show significant in vitro growth inhibition activity against Trypanosoma brucei brucei and are highly selective towards trypanosomal cells with respect to mammalian cells (J774 murine macrophages). These promising results make the title organoruthenium compounds good lead candidates for further developments towards potential antitrypanosomal organometallic drugs.

]]> Demoro, Bruno]]> Sarniguet, Cynthia]]> Sanchez-Delgado, Roberto]]> Rossi, Miriam]]> Liebowitz, Daniel]]> Caruso, Francesco]]> Olea-Azar, Claudio]]> Moreno, Virtudes]]> Medeiros, Andrea]]> Comini, Marcelo]]> Otero Zubiaurre, Ana Lucía]]> Información sobre Derechos de Autor

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]]>

]]> Single-molecule Magnets (SMM) spin channels connecting FeMn antiferromagnet and NiFe ferromagnetic electrodes of a tunnel junction]]> measurements conducted at 55 K and 300 K on pillar-shaped devices revealed a reduction in magnetic moment at low temperatures. Additionally, Kelvin probe atomic force microscopy (KPAFM) measurements confirmed that SMM integration transformed the electronic properties over long ranges.These findings are attributed to the spin channels formed between magnetic metal electrodes, which enhance spin polarization at each magnetic electrode. Our research highlights the potential of using antiferromagnetic materials, characterized by minimal stray fields and zero net magnetization, to transform MTJMSD devices.]]> Sankhi, Babu Ram ]]> Peigney, Erwan]]> Brown, Hayden]]> Suh, Pius]]> Rojas-Dotti, Carlos]]> Martínez-Lillo, José]]> Tyagi, Pawan]]> Journal of Magnetism and Magnetic Materials, v. 611, nº 49, 2024. -- e172608]]>

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]]> 10.1016/j.jmmm.2024.172608]]> Experimental cystic echinococcosis as a proof of concept for the development of peptide-based vaccines following a novel rational workflow]]> Miles, Sebastián]]> Dematteis, Sylvia]]> Mourglia-Ettlin, Gustavo]]> Información sobre Derechos de Autor

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]]> Correlating Eucalyptus leaf metabolomics with preference of the bronze bug, Thaumastocoris peregrinus]]> Bragunde, G.]]> Groba, H. F.]]> Lagurara, P.]]> Martínez, G.]]> González, A.]]> Rossini, C.]]> Información sobre Derechos de Autor

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]]> Preference and performance in an herbivorous coccinellid beetle: a comparative study of host plant defensive traits, insect preference, and survival]]> Burgueño, Anna Paula]]> Amorós, María Eugenia]]> Deagosto, Emilio]]> Davyt, Belén]]> Díaz, Martina]]> González, Andrés]]> Rossini, Carmen]]> Información sobre Derechos de Autor

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]]> Abreo, Eduardo]]> Rossini, Carmen]]> Kaspary, Tiago]]> Alaniz, Sandra]]> Stewart, Silvina]]> Información sobre Derechos de Autor

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]]> On the donor : acceptor features for poly(3-hexylthiophene) : TiO2 quantum dots hybrid materials obtained via water vapor flow assisted sol-gel growth]]> Mombrú, Dominique]]> Romero, Mariano]]> Faccio, Ricardo]]> Mombrú, Álvaro W.]]> Información sobre Derechos de Autor

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]]> Evidence of Graphene-like ZnO Nanostructures via Zinc Dimethoxide Hydrolysis−Condensation Under Ambient Conditions on a Au(111) Surface Using SERS: simulation and Experiment]]> Romero, Mariano]]> Pignanelli, Fernando]]> Mombrú, Dominique]]> Faccio, Ricardo]]> Mombrú, Álvaro W.]]> Información sobre Derechos de Autor

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]]> The structural, optical and electrical properties of sodium titanate nanotubes sensitized with nitrogen/sulfur co-doped graphene quantum dots as potential materials for quantum dots sensitized solar cells]]> Esteves, Martin]]> Mombrú, Dominique]]> Romero, Mariano]]> Fernández Werner, Luciana]]> Faccio, Ricardo]]> Mombrú, Álvaro W.]]> Información sobre Derechos de Autor

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]]> Fluoride-selective chemosensor based on an anion imprinted fluorescent polymer]]> Quiñone, Delfina]]> Belluzzi, Marcelo]]> Torres, Julia]]> Brovetto, Margarita]]> Veiga, Nicolás]]> Información sobre Derechos de Autor

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]]> Complete genome sequence resource for Xanthomonas translucens pv. undulosa MAI5034 : a wheat pathogen from Uruguay]]> Clavijo, Felipe]]> Barrera, Claudia]]> Bencic, Aleksander]]> Croce, Valentina]]> Jacobs, Jonathan M.]]> Bernal, Adriana J.]]> Koebnik, Ralf]]> Roman Reyna, Veronica]]> Información sobre Derechos de Autor

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La legislación uruguaya protege el derecho de autor sobre toda creación literaria, científica o artística, tanto en lo que tiene que ver con sus derechos morales, como en lo referente a los derechos patrimoniales con sujeción a lo establecido por el derecho común y las siguientes leyes (LEY 9.739 DE 17 DE DICIEMBRE DE 1937 SOBRE PROPIEDAD LITERARIA Y ARTISTICA CON LAS MODIFICACIONES INTRODUCIDAS POR LA LEY DE DERECHO DE AUTOR Y DERECHOS CONEXOS No. 17.616 DE 10 DE ENERO DE 2003, LEY 17.805 DE 26 DE AGOSTO DE 2004, LEY 18.046 DE 24 DE OCTUBRE DE 2006 LEY 18.046 DE 24 DE OCTUBRE DE 2006)

ADVERTENCIA: La consulta de este documento queda condicionada a la aceptación de las siguientes condiciones de uso: Este documento es únicamente para usos privados enmarcados en actividades de investigación y docencia. No se autoriza su reproducción con fines de lucro. Esta reserva de derechos afecta tanto los datos del documento como a sus contenidos. En la utilización o cita de partes debe indicarse el nombre de la persona autora.]]> Exploring the economic and environmental effects of food waste in Uruguayan households]]> Giménez, Ana]]> Alcaire, Florencia]]> Vitola, Agustina]]> Curutchet, María Rosa]]> Ares, Gastón]]> Información sobre Derechos de Autor

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]]> Overcoming barriers for consuming perceived inedible parts of fruits and vegetables : a qualitative exploration of consumer perception in Uruguay]]> Giménez, Ana]]> Ares, Gastón]]> Información sobre Derechos de Autor

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]]> Lignocellulosic residues from bioethanol production: a novel source of biopolymers for laccase immobilization]]> Vázquez, Valeria]]> Giorgi, Victoria]]> Bonfiglio, Fernando]]> Menéndez, Pilar]]> Gioia, Larissa]]> Ovsejevi, Karen]]> Royal Society of Chemistry ]]> Información sobre Derechos de Autor

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]]>