Recent Submissions

  • Investigation of a sample of carbon-enhanced metal-poor stars observed with FORS and GMOS 

    Caffau, E.; Gallagher, A.J.; Bonifacio, P.; Spite, M.; Duffau, S.; Spite, F.; Monaco, L.; Sbordone, L. (EDP Sciences, 2018-06)
    Aims. Carbon-enhanced metal-poor (CEMP) stars represent a sizeable fraction of all known metal-poor stars in the Galaxy. Their formation and composition remains a significant topic of investigation within the stellar ...
  • The Gaia-ESO Survey: Evidence of atomic diffusion in M67? 

    Bertelli Motta, C.; Pasquali, A.; Richer, J.; Michaud, G.; Salaris, M.; Bragaglia, A.; Magrini, L.; Randich, S.; Grebel, E.K.; Adibekyan, V.; Blanco-Cuaresma, S.; Drazdauskas, A.; Fu, X.; Martell, S.; Tautvaišiene, G.; Gilmore, G.; Alfaro, E.J.; Bensby, T.; Flaccomio, E.; Koposov, S.E.; Korn, A.J.; Lanzafame, A.C.; Smiljanic, R.; Bayo, A.; Carraro, G.; Casey, A.R.; Costado, M.T.; Damiani, F.; Franciosini, E.; Heiter, U.; Hourihane, A.; Jofré, P.; Lardo, C.; Lewis, J.; Monaco, L.; Morbidelli, L.; Sacco, G.G.; Sousa, S.G.; Worley, C.C.; Zaggia, S. (Oxford University Press, 2018-07)
    Investigating the chemical homogeneity of stars born from the same molecular cloud at virtually the same time is very important for our understanding of the chemical enrichment of the interstellar medium and with it the ...
  • Differential miRNA expression profiling reveals miR-205-3p to be a potential radiosensitizer for low- dose ionizing radiation in DLD-1 cells 

    Andaur, R.; Tapia, J.C.; Moreno, J.; Soto, L.; Armisen, R.; Marcelain, K. (Impact Journals LLC, 2018-05)
    Enhanced radiosensitivity at low doses of ionizing radiation (IR) (0.2 to 0.6 Gy) has been reported in several cell lines. This phenomenon, known as low doses hyperradiosensitivity (LDHRS), appears as an opportunity to ...
  • Encapsulation of gold nanostructures and oil-in-water nanocarriers in microgels with biomedical potential 

    Inostroza-Riquelme, M.; Vivanco, A.; Lara, P.; Guerrero, S.; Salas-Huenuleo, E.; Chamorro, A.; Leyton, L.; Bolaños, K.; Araya, E.; Quest, A.F.G.; Kogan, M.J.; Oyarzun-Ampuero, F. (MDPI AG, 2018)
    Here we report the incorporation of gold nanostructures (nanospheres or nanorods, functionalized with carboxylate-end PEG) and curcumin oil-in-water (O/W) nanoemulsions (CurNem) into alginate microgels using the dripping ...
  • The Gaia -ESO Survey: Open clusters in Gaia -DR1: A way forward to stellar age calibration 

    Randich, S.; Tognelli, E.; Jackson, R.; Jeffries, R.D.; Degl'Innocenti, S.; Pancino, E.; Fiorentin, P.R.; Spagna, A.; Sacco, G.; Bragaglia, A.; Magrini, L.; Moroni, P.G.P.; Alfaro, E.; Franciosini, E.; Morbidelli, L.; Roccatagliata, V.; Bouy, H.; Bravi, L.; Jiménez-Esteban, F.M.; Jordi, C.; Zari, E.; Tautvaišiene, G.; Drazdauskas, A.; Mikolaitis, S.; Gilmore, G.; Feltzing, S.; Vallenari, A.; Bensby, T.; Koposov, S.; Korn, A.; Lanzafame, A.; Smiljanic, R.; Bayo, A.; Carraro, G.; Costado, M.T.; Heiter, U.; Hourihane, A.; Jofré, P.; Lewis, J.; Monaco, L.; Prisinzano, L.; Sbordone, L.; Sousa, S.G.; Worley, C.C.; Zaggia, S. (EDP Sciences, 2018-04)
    Context. Determination and calibration of the ages of stars, which heavily rely on stellar evolutionary models, are very challenging, while representing a crucial aspect in many astrophysical areas. Aims. We describe the ...
  • Chemically Dissected Rotation Curves of the Galactic Bulge from Main-sequence Proper Motions 

    Clarkson, W.I.; Calamida, A.; Sahu, K.C.; Brown, T.M.; Gennaro, M.; Avila, R.J.; Valenti, J.; Debattista, V.P.; Rich, R.M.; Minniti, D.; Zoccali, M.; Aufdemberge, E.R. (Institute of Physics Publishing, 2018-05)
    We report results from an exploratory study implementing a new probe of Galactic evolution using archival Hubble Space Telescope imaging observations. Precise proper motions are combined with photometric relative metallicity ...
  • Type II Cepheids: Evidence for Na-O anticorrelation for BL Her type stars? 

    Kovtyukh, V.; Yegorova, I.; Andrievsky, S.; Korotin, S.; Saviane, I.; Lemasle, B.; Chekhonadskikh, F.; Belik, S. (Oxford University Press, 2018-06)
    The chemical composition of 28 Population II Cepheids and one RR Lyrae variable has been studied using high-resolution spectra. The chemical composition of W Vir variable stars (with periods longer than 8 d) is typical for ...
  • Early-type galaxies in the Antlia cluster: Catalogue and isophotal analysis 

    Calderón, J.P.; Bassino, L.P.; Cellone, S.A.; Gómez, M. (Oxford University Press, 2018-06)
    We present a statistical isophotal analysis of 138 early-type galaxies in the Antlia cluster, located at a distance of ~35 Mpc. The observational material consists of CCD images of four 36 ×36 arcmin2 fields obtained with ...
  • A theoretical quantum study of the electronic properties of mentoxy dichloro phosphorous (C10H19OPCl2) 

    Lashgari, A.; Ghamami, S.; Govindarajan, M.; Salgado-Morán, G.; Romero, P.M.; Candia, L.G. (ociedad Chilena de Quimica, 2018)
    A theoretical quantum study of the organophosphorus compound with formula C10H19OPCl2 (MEPCL2) was carried out. The results of the calculations show excellent agreement between experimental and computed frequencies evaluated ...
  • TOPoS: IV. Chemical abundances from high-resolution observations of seven extremely metal-poor stars 

    Bonifacio, P.; Caffau, E.; Spite, M.; Spite, F.; Sbordone, L.; Monaco, L.; François, P.; Plez, B.; Molaro, P.; Gallagher, A.J.; Cayrel, R.; Christlieb, N.; Klessen, R.S.; Koch, A.; Ludwig, H.-G.; Steffen, M.; Zaggia, S.; Abate, C. (EDP Sciences, 2018-04)
    Context. Extremely metal-poor (EMP) stars provide us with indirect information on the first generations of massive stars. The TOPoS survey has been designed to increase the census of these stars and to provide a chemical ...
  • Unveiling interactions between DNA and cytotoxic 2-arylpiperidinyl-1,4-naphthoquinone derivatives: A combined electrochemical and computational study 

    Espinosa-Bustos, C.; Canales, C.; Ramírez, G.; Jaque, P.; Salas, C.O. (Elsevier B.V., 2018-04)
    Three 2-arylpiperidinyl-1,4-naphthoquinone derivatives were synthesized and evaluated in vitro to determine their cytotoxicity on cancer and normal cell lines. In order to establish their possible action mechanism, the ...
  • SNe 2013K and 2013am: Observed and physical properties of two slow, normal Type IIP events 

    Tomasella, L.; Cappellaro, E.; Pumo, M.L.; Jerkstrand, A.; Benetti, S.; Elias-Rosa, N.; Fraser, M.; Inserra, C.; Pastorello, A.; Turatto, M.; Anderson, J.P.; Galbany, L.; Gutiérrez, C.P.; Kankare, E.; Pignata, G.; Terreran, G.; Valenti, S.; Barbarino, C.; Bauer, F.E.; Botticella, M.T.; Chen, T.-W.; Gal-Yam, A.; Harutyunyan, A.; Howell, D.A.; Maguire, K.; Garoffolo, A.M.; Ochner, P.; Smartt, S.J.; Schulze, S.; Young, D.R.; Zampieri, L. (Oxford University Press, 2018-04)
    We present 1 yr of optical and near-infrared photometry and spectroscopy of the Type IIP SNe 2013K and 2013am. Both objects are affected by significant extinction, due to their location in dusty regions of their respective ...
  • The central spheroids of Milky Way mass-sized galaxies 

    Tissera, P.B.; Machado, R.E.G.; Carollo, D.; Minniti, D.; Beers, T.C.; Zoccali, M.; Meza, A. (Oxford University Press, 2018-01)
    We study the properties of the central spheroids located within 10 kpc of the centre of mass of MilkyWay mass-sized galaxies simulated in a cosmological context. The simulated central regions are dominated by stars older ...
  • SCORPIO - II. Spectral indices of weak Galactic radio sources 

    Cavallaro, F.; Trigilio, C.; Umana, G.; Franzen, T.M.O.; Norris, R.P.; Leto, P.; Ingallinera, A.; Buemi, C.S.; Marvil, J.; Agliozzo, C.; Bufano, F.; Cerrigone, L.; Riggi, S. (Oxford University Press, 2018-01)
    In the next few years the classification of radio sources observed by the large surveys will be a challenging problem and spectral index is a powerful tool for addressing it. Here we present an algorithm to estimate the ...
  • Optoelectronic properties of triphenylamine based dyes for solar cell applications. A DFT study 

    Fahim, Z.M.E.; Bouzzine, S.M.; Hamidi, M.M.; Bouachrine, M.; Hamidi, M.; Salgado-Morán, G.; Mendoza-Huizar, L.H.; Alvarez-Romero, G.A. (Sociedade Brasileira de Quimica, 2018-02)
    Dye-sensitized solar cells (DSSCs) based on triphenylamine (TPA) as a donor group linked with the acceptor cyanoacrylic acid electron acceptor by 2,2'-bithiophene as π-bridged (D-π-A) has been investigated by Density ...
  • SNhunt151: An explosive event inside a dense cocoon 

    Elias-Rosa, N.; Benetti, S.; Cappellaro, E.; Pastorello, A.; Terreran, G.; Morales-Garoffolo, A.; Howerton, S.C.; Valenti, S.; Kankare, E.; Drake, A.J.; Djorgovski, S.G.; Tomasella, L.; Tartaglia, L.; Kangas, T.; Ochner, P.; Filippenko, A.V.; Ciabattari, F.; Geier, S.; Howell, D.A.; Isern, J.; Leonini, S.; Pignata, G.; Turatto, M. (Oxford University Press, 2018-04)
    SNhunt151 was initially classified as a supernova (SN) impostor (nonterminal outburst of a massive star). It exhibited a slow increase in luminosity, lasting about 450 d, followed by a major brightening that reaches M V ≈ ...
  • Quasar lenses and pairs in the VST-ATLAS and Gaia 

    Agnello, A.; Schechter, P.L.; Morgan, N.D.; Treu, T.; Grillo, C.; Malesani, D.; Anguita, T.; Apostolovski, Y.; Rusu, C.E.; Motta, V.; Rojas, K.; Chehade, B.; Shanks, T. (Oxford University Press, 2018-04)
    We report on discovery results from a quasar lens search in the ATLAS-DR3 public footprint. Spectroscopic follow-up campaigns, conducted at the 2.6 m Nordic Optical Telescope (La Palma) and 3.6mNew Technology Telescope (La ...
  • Which NICS method is most consistent with ring current analysis? Assessment in simple monocycles 

    Báez-Grez, R.; Ruiz, L.; Pino-Rios, R.; Tiznado, W. (Royal Society of Chemistry, 2018)
    The aromaticity of benzene, Al4 2- cluster, cyclopropane, borazine and planar cyclooctatetraene (COT) was analyzed according to different strategies based on nucleus-independent chemical shift (NICS) computations. The ...
  • A Catalog of Cool Dwarf Targets for the Transiting Exoplanet Survey Satellite 

    Muirhead, P.S.; Dressing, C.D.; Mann, A.W.; Rojas-Ayala, B.; Lépine, S.; Paegert, M.; De Lee, N.; Oelkers, R. (Institute of Physics Publishing, 2018-04)
    We present a catalog of cool dwarf targets (V - > J 2.7, T eff ≳4000 K) and their stellar properties for the upcoming Transiting Exoplanet Survey Satellite (TESS), for the purpose of determining which cool dwarfs should ...
  • A preliminary study on electrocatalytic reduction of CO2 using FAC-ReI(CO)3(4,4′-dimethyl-2,2′-bipyridyl)((E)-2-((3-amino-pyridin-4-ylimino)-methyl)-4,6-DI-tert-butylphenol))+ complex 

    Canales, J.C.; Carreño, A.; Oyarzún, D.; Manríquez, J.M.; Chávez, I. (Sociedad Chilena de Quimica, 2017)
    Several research to explore the possible conversion of CO2 using rhenium(I) tricarbonyl complexes have been reported the last years. In the present work, we investigated a potential use of fac-Re(CO)3(4,4′-di-methyl-2,2′ ...

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