Now showing items 1-13 of 13

    • 1-benzoyl-2-(2-nitrophenyl)-1H-benzimidazole derivatives: A novel approach to the development of new HIV-1 reverse transcriptase inhibitors 

      Vásquez, David; Lagos González, Carlos F.; Mella Raipán, Jaime A.; González, Luis; Ebensperger González, Roberto; Alvarez Figueroa, M. Javiera; Sáez, Edmundo; Pessoa Mahana, Hernán; Araya Secchi, Raúl; González Wong, Angel; Pérez-Acle, Tomás; Pessoa, D. (SOC CHILENA QUIMICA, 2007-12)
      A novel approach to the development of anew class of HIV-1 RT inhibitors is reported. The 1-benzoyl-2-aryl-1H-benzimidazole series was designed as a combination of two previously reported active scaffolds, the benzimidazole ...
    • Caracterización de la situación posincendio en el área afectada por el incendio de 2005 en el Parque Nacional de Torres del Paine (Chile) a partir de imágenes multiespectrales 

      González, Luis; Navarro Cerrillo, Rafael M.; Hayas, Antonio; García Ferrer, Alfonso; Hernández Clemente, Rocío; Duhalde, Pamela (Sociedad de Biología de Chile, 2008)
      El uso de sensores remotos para la evaluación de la severidad es una de los aspectos más importantes en el estudio de grandes incendios, así como la aplicación de los resultados para el proceso de restauración. En ...
    • Characterizing The V-Band Light-Curves Of Hydrogen-Rich Type II Supernovae. 

      Anderson, Joseph P.; González Gaitán, Santiago; Hamuy Wackenhut, Mario; Gutiérrez, Claudia P.; Stritzinger, Maximilian D.; Olivares, Felipe; Phillips, Mark M.; Schulze, Steve; Antezana, Roberto; Bolt, Luis; Campillay, Abdo; Castellón, Sergio; Contreras, Carlos; De Jaeger, Thomas; Folatelli, Gastón; Förster, Francisco; Freedman, Wendy L.; González, Luis; Hsiao, Eric; Krzeminski, Wojtek; Krisciunas, Kevin; Maza Sancho, José; McCarthy, Patrick; Morrell, Nidia; Persson, Sven E.; Roth, Miguel; Salgado, Francisco; Suntzeff, Nicholas B.; Thomas Osip, Joanna (The American Astronomical Society, 2014-05)
      We present an analysis of the diversity of V-band light-curves of hydrogen-rich type II supernovae. Analyzing a sample of 116 supernovae, several magnitude measurements are defined, together with decline rates at ...
    • The distance to SN 1999em from the expanding photosphere method 

      Hamuy Wackenhut, Mario; Pinto, Philip A.; Maza Sancho, José; Suntzeff, Nicholas B.; Phillips, M. M.; Eastman, Ronald G.; Smith, R. C.; Corbally, C. J.; Burstein, D.; Li, Yong; Ivanov, Valentin; Moro Martin, Amaya; Strolger, L. G.; De Souza, R. E.; Dos Anjos, S.; Green, Elizabeth M.; Pickering, T. E.; González, Luis; Antezana, Roberto; Wischnjewsky, Marina; Galaz, Gaspar, 1967-; Roth, M.; Person, S. E.; Schommer, R. A. (2001-09-10)
      We present optical and infrared spectroscopy of the first 2 months of evolution of the Type II supernova SN 1999em. We combine these data with high-quality optical/infrared photometry beginning only 3 days after shock ...
    • Ecology and Management of the Chilean Palm (Jubaea chilensis): History, Current Situation and Perspectives 

      González, Luis; Navarro C., Rafael M.; Bustamante Araya, Ramiro; Herrera M., Miguel Angel; Toral Ibáñez, Manuel (2009)
      The Chilean palm, Jubaea chilensis (Front Cover), one of the most emblematic tree species of the Chilean flora, has suffered a gradual reduction of its population numbers in the last 150 years, with the estimated 120,000 ...
    • Evaluación de la mortalidad de bosques de ñirre (Nothofagus antarctica) en la Patagonia chilena mediante imágenes Landsat TM y ETM+ 

      Navarro Cerrillo, Rafael M.; Rosenfeld, Mauricio; Pérez Aranda, Jaime; Padrón, Eva; Guzmán, José R.; Hernández Clemente, Rocío; González, Luis (2008)
      Antarctic beech forests (Nothofagus antarctica (G. Forst.) Oerst.) have shown a major decline process in the past few decades, together with an important lack of specific studies on this type of forest. The aim of this ...
    • Fixing the U-band photometry of Type Ia supernovae 

      Krisciunas, Kevin; Bastola, Deepak; Espinoza, Juan; González, David; González, Luis; González Tagle, Sergio; Hamuy Wackenhut, Mario; Hsiao, Eric; Morrell, Nidia; Phillips, Mark M.; Suntzeff, Nicholas B. (IOP Publishing, 2013)
      We present previously unpublished photometry of supernovae 2003gs and 2003hv. Using spectroscopically derived corrections to the U-band photometry, we reconcile U-band light curves made from imagery with the Cerro Tololo 0.9 ...
    • Legume living mulch for afforestation in agricultural land in Southern Spain 

      Navarro Cerrillo, Rafael M.; Ariza, David; González, Luis; Campo, Antonio del; Arjona, Miguel; Ceacero, Carlos (ELSEVIER, 2009)
      Weed control is essential for a successful establishment and growth of tree seedlings in former agricultural land. Weed control methods are effective but can be costly in terms of time, damage to nontarget vegetation, ...
    • Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179 

      Stritzinger, Maximiliam; Hamuy Wackenhut, Mario; Suntzeff, Nicholas B.; Smith, R. C.; Phillips, M. M.; Maza Sancho, José; Strolger, L. G.; Antezana, Roberto; González, Luis; Wischnjewsky, Marina; Candia, Pablo; Espinoza, Juan; González, David; Stubbs, Christopher; Becker, A. C.; Rubenstein, Eric P.; Galaz, Gaspar, 1967- (2002-10)
      We present UBVRIz light curves of the Type Ia SN 1999ee and the Type Ib/c SN 1999ex, both located in the galaxy IC 5179. SN 1999ee has an extremely well-sampled light curve spanning from 10 days before Bmax through 53 ...
    • Persistent Cii Absorption In the Normal TYPE Ia Supernova 2002fk∗ 

      Cartier Ugarte, Regis; Hamuy Wackenhut, Mario; Pignata Libralato, Giuliano; Förster, Francisco; Zelaya, Paula; Folatelli, Gastón; Phillips, Mark M.; Morrell, Nidia; Krisciunas, Kevin; Suntzeff, Nicholas B.; Clocchiatti, Alejandro; Coppi, Paolo; Contreras, Carlos; Roth, Miguel; Koviak, Kathleen; Maza Sancho, José; González, Luis; González, Sergio; Huerta, Leonor (The American Astronomical Society, 2014-07-01)
      We present well-sampled UBVRIJHK photometry of SN 2002fk starting 12 days before maximum light through 122 days after peak brightness, along with a series of 15 optical spectra from −4 to +95 days since maximum. ...
    • Sn 2005bf: A possible transition event between type Ib/c supernovae and gamma-ray bursts 

      Folatelli, Gastón; Contreras, Carlos; Phillips, Mark M.; Woosley, S. E.; Blinnikov, Sergei; Morrell, Nidia; Suntzeff, Nicholas B.; Lee, Brian L.; Hamuy Wackenhut, Mario; González Tagle, Sergio; Krzeminski, Wojtek; Roth, Miguel; Li, Weidong; Filippenko, Alexei V.; Foley, Ryan J.; Freedman, Wendy L.; Madore, Barry F.; Persson, S. E.; Murphy, David; Boissier, Samuel; Galaz, Gaspar, 1967-; González, Luis; McCarthy, P. J.; McWilliam, Andrew; Pych, Wojtek (UNIV CHICAGO PRESS, 2006-04-20)
      We present u'g'r'i'BV photometry and optical spectroscopy of the Type Ib/Ic SN 2005bf covering the first similar to 100 days following discovery. The u'g'BV light curves displayed an unprecedented morphology among Type ...
    • Stimulatory effect of DIMBOA on NADH oxidation catalysed by horseradish peroxidase 

      Rojas G, M. Cecilia; Pérez, Francisco; González, Luis (1997)
      2,4-Dihydroxy-7-methoxy-1,4-benzoxazin-3-one (DIMBOA) effectively enhanced the rate of NADH oxidation catalysed by horseradish peroxidase isoenzyme C (HRPC), a reaction that generates H2O2. The effect showed saturation ...
    • Type II supernova spectral diversity. I. Observations, sample characterization, and spectral line evolution 

      Gutiérrez, Claudia P.; Anderson, Joseph P.; Hamuy Wackenhut, Mario; Morrell, Nidia; González Gaitán, Santiago; Stritzinger, Maximilian D.; Phillips, Mark M.; Galbany, Lluis; Folatelli, Gastón; Dessart, L.; Contreras, Carlos; Della Valle, Massimo; Freedman, Wendy L.; Hsiao, Eric; Krisciunas, Kevin; Madore, Barry F.; Maza Sancho, José; Suntzeff, Nicholas B.; Prieto, José Luis; González, Luis; Cappellaro, Enrico; Navarrete, Mauricio; Pizzella, Alessandro; Ruiz González, María Teresa; Smith, R. Chris; Turatto, Massimo (IOP Publishing Ltd., 2017)
      We present 888 visual-wavelength spectra of 122 nearby type II supernovae (SNe II) obtained between 1986 and 2009, and ranging between 3 and 363 days post-explosion. In this first paper, we outline our observations and ...