Browsing by Title Facultad de Ciencias Físicas y Matemáticas

Now showing items 13440-13459 of 20469

    • Molecular modelling predicts that 2-methoxyestradiol disrupts HIF function by binding to the PAS-B domain 
      Poch, Andrea; Villanelo, Felipe; Henriquez, Soledad; Kohen Skop, Paulina; Ferrada Muñoz, Alex Eduardo; Strauss, Jerome F.; Devoto, Luigi (Elsevier Inc., 2019)
      An estradiol metabolite, 2-methoxyestradiol (2ME), has emerged as an important regulator of ovarian physiology. 2ME is recognized as a potent anti-angiogenic agent in clinical trials and laboratory studies. However, little ...
    • Molecular outflows driven by low-mass protostars. I. Correcting for underestimates when measuring outflow ... 
      Dunham, Michael M.; Arce, Héctor G.; Mardones Pérez, Diego; Lee, Jeong Eun; Matthews, Brenda C.; Stutz, Amelia M.; Williams, Jonathan P. (The American Astronomical Society, 2014-03-01)
      We present a survey of 28 molecular outflows driven by low-mass protostars, all of which are sufficiently isolated spatially and/or kinematically to fully separate into individual outflows. Using a combination of new and ...
    • Molecular outflows within the filamentary infrared dark cloud G34.43+0.24 
      Sanhueza, P.; Garay Brignardello, Guido; Bronfman Aguiló, Leonardo; Mardones Pérez, Diego; May Humeres, Jorge; Saito, M. (2010-05-17)
      We present molecular line observations, made with angular resolutions of 2000, toward the filamentary infrared dark cloud G34.43+0.24 using the APEX [CO(3 ! 2), 13CO(3 ! 2), C18O(3 ! 2) and CS(7 ! 6) transitions], ...
    • The Molecular Photo-Cell: Quantum Transport and Energy Conversion at Strong Non-Equilibrium 
      Ajisaka, Shigeru; Zukovic, Bojan; Dubi, Yonatan (Nature, 2015)
      The molecular photo-cell is a single molecular donor-acceptor complex attached to electrodes and subject to external illumination. Besides the obvious relevance to molecular photo-voltaics, the molecular photo-cell is of ...
    • Molecular simulations of carbon allotropes in processes with creation and destruction of chemical bonds 
      Tangarife, E.; Gonzalez, R. I.; Cardenas, C.; Bringa, E. M.; Munoz, F. (Elsevier Ltd, 2019)
      © 2018 Elsevier LtdThe development of sophisticated interatomic potentials for classical molecular dynamics and Monte Carlo simulations has several advantages, but also some drawbacks. One of them is the increase in their ...
    • Molecules with ALMA at Planet-forming Scales (MAPS). I. Program overview and highlights 
      Oberg, Karin; Guzmán, Viviana; Walsh, Catherine; Aikawa, Yuri; Bergin, Edwin A.; Law, Charles J.; Loomis, Ryan A.; Alarcón, Felipe; Andrews, Sean M.; Bae, Jaehan; Bergner, Jennifer B.; Boehler, Yann; Booth, Alice S.; Bosman, Arthur D.; Calahan, Jenny K.; Cataldi, Gianni; Cleeves, Ilsedore; Czekala, Ian; Furuya, Kenji; Huang, Jane; Ilee, John D.; Kurtovic, Nicolás; Le Gal, Romane; Liu, Yao; Long, Feng; Ménard, Francois; Nomura, Hideko; Pérez Muñoz, Laura; Qi, Chunhua; Schwarz, Kamber R.; Sierra, Aníbal; Teague, Richard; Tsukagoshi, Takashi; Yamato, Yoshihide; Van't Hoff, Merel L. R.; Waggoner, Abygail R.; Wilner, David J.; Zhang, Ke (IOP, 2021)
      Planets form and obtain their compositions in dust- and gas-rich disks around young stars, and the outcome of this process is intimately linked to the disk chemical properties. The distributions of molecules across disks ...
    • Molecules with ALMA at Planet-forming Scales (MAPS). II. Clean strategies for synthesizing images of molecular ... 
      Czekala, Ian; Loomis, Ryan A.; Teague, Richard; Booth, Alice S.; Huang, Jane; Cataldi, Gianni; Ilee, John D.; Law, Charles J.; Walsh, Catherine; Bosman, Arthur D.; Guzmán, Viviana V.; Gal, Romane Le; Oberg, Karin I.; Yamato, Yoshihide; Aikawa, Yuri; Andrews, Sean M.; Bae, Jaehan; Bergin, Edwin A.; Bergner, Jennifer B.; Cleeves, L. Ilsedore; Kurtovic, Nicolas; Menard, Francois; Nomura, Hideko; Pérez Muñoz, Laura; Qi, Chunhua; Schwarz, Kamber R.; Tsukagoshi, Takashi; Waggoner, Abygail R.; Wilner, David J.; Zhang, Ke (IOP, 2021)
      The Molecules with ALMA at Planet-forming Scales Large Program (MAPS LP) surveyed the chemical structures of five protoplanetary disks across more than 40 different spectral lines at high angular resolution (0.'' 15 and ...
    • Molecules with ALMA at Planet-forming Scales (MAPS). III. Characteristics of Radial Chemical Substructures 
      Law, Charles J.; Loomis, Ryan A.; Teague, Richard; Oberg, Karin; Czekala, Ian; Andrews, Sean M.; Huang, Jane; Aikawa, Yuri; Alarcón, Felipe; Bae, Jaehan; Bergin, Edwin A.; Bergner, Jennifer B.; Boehler, Yann; Booth, Alice S.; Bosman, Arthur D.; Calahan, Jenny K.; Cataldi, Gianni; Cleeves, L. Ilsedore; Furuya, Kenji; Guzmán, Viviana V.; Ilee, John D.; Le Gal, Romane; Liu, Yao; Long, Feng; Menard, Francois; Nomura, Hideko; Qi, Chunhua; Schwarz, Kamber R.; Sierra, Aníbal; Tsukagoshi, Takashi; Yamato, Yoshihide; Van't Hoff, Merel L. R.; Walsh, Catherine; Wilner, David J.; Zhang, Ke (IOP, 2021)
      The Molecules with ALMA at Planet-forming Scales (MAPS) Large Program provides a detailed, high-resolution (∼10–20 au) view of molecular line emission in five protoplanetary disks at spatial scales relevant for planet ...
    • Molecules with ALMA at Planet-forming Scales (MAPS). IV. Emission Surfaces and Vertical Distribution of Molecules 
      Law, Charles J.; Teague, Richard; Loomis, Ryan A.; Bae, Jaehan; Oberg, Karin; Czekala, Ian; Andrews, Sean M.; Aikawa, Yuri; Alarcón, Felipe; Bergin, Edwin A.; Bergner, Jennifer B.; Booth, Alice S.; Bosman, Arthur D.; Calahan, Jenny K.; Cataldi, Gianni; Cleeves, Ilsedore; Furuya, Kenji; Guzmán, Viviana V.; Huang, Jane; Ilee, John D.; Le Gal, Romane; Liu, Yao; Long, Feng; Menard, Francois; Nomura, Hideko; Pérez Muñoz, Laura; Qi, Chunhua; Schwarz, Kamber R.; Soto, Daniela; Tsukagoshi, Takashi; Yamato, Yoshihide; Van 't Hoff, Merel L. R.; Walsh, Catherine; Wilner, David J.; Zhang, Ke (IOP, 2021)
      The Molecules with ALMA at Planet-forming Scales (MAPS) Large Program provides a unique opportunity to study the vertical distribution of gas, chemistry, and temperature in the protoplanetary disks around IM Lup, GM Aur, ...
    • Molecules with ALMA at Planet-forming Scales (MAPS). VI. Distribution of the small organics HCN, C2H, and H2CO 
      Guzmán, Viviana V.; Bergner, Jennifer B.; Law, Charles J.; Oberg, Karin I.; Walsh, Catherine; Cataldi, Gianni; Aikawa, Yuri; Bergin, Edwin A.; Czekala, Ian; Huang, Jane; Andrews, Sean M.; Loomis, Ryan A.; Zhang, Ke; Le Gal, Romane; Alarcón, Felipe; Ilee, John D.; Teague, Richard; Cleeves, L. Ilsedore; Wilner, David J.; Long, Feng; Schwarz, Kamber R.; Bosman, Arthur D.; Pérez Muñoz, Laura; Menard, Francois; Liu, Yao (IOP, 2021)
      Small organic molecules, such as C2H, HCN, and H2CO, are tracers of the C, N, and O budget in protoplanetary disks. We present high-angular-resolution (10–50 au) observations of C2H, HCN, and H2CO lines in five protoplanetary ...
    • Molecules with ALMA at Planet-forming Scales (MAPS). XIV. Revealing disk substructures in multiwavelength ... 
      Sierra, Aníbal; Pérez Muñoz, Laura; Zhang, Ke; Law, Charles J.; Guzmán, Viviana V.; Qi, Chunhua; Bosman, Arthur D.; Oberg, Karin; Andrews, Sean M.; Long, Feng; Teague, Richard; Booth, Alice S.; Walsh, Catherine; Wilner, David J.; Menard, Francois; Cataldi, Gianni; Czekala, Ian; Bae, Jaehan; Huang, Jane; Bergner, Jennifer B.; Ilee, John D.; Benisty, Myriam; Le Gal, Romane; Loomis, Ryan A.; Tsukagoshi, Takashi; Liu, Yao; Yamato, Yoshihide; Aikawa, Yuri (IOP, 2021)
      Constraining dust properties of planet-forming disks via high-angular-resolution observations is fundamental to understanding how solids are trapped in substructures and how dust growth may be favored or accelerated ...
    • Molecules with ALMA at Planet-forming Scales (MAPS). XV. Tracing protoplanetary disk structure within 20 au 
      Bosman, Arthur D.; Bergin, Edwin A.; Loomis, Ryan A.; Andrews, Sean M.; Van't Hoff, Merel L. R.; Teague, Richard; Oberg, Karin; Guzmán, Viviana V.; Walsh, Catherine; Aikawa, Yuri; Alarcón, Felipe; Bae, Jaehan; Bergner, Jennifer B.; Booth, Alice S.; Cataldi, Gianni; Cleeves, L. Ilsedore; Czekala, Ian; Huang, Jane; Ilee, John D.; Law, Charles J.; Le Gal, Romane; Liu, Yao; Long, Feng; Menard, Francois; Nomura, Hideko; Pérez Muñoz, Laura; Qi, Chunhua; Schwarz, Kamber R.; Sierra, Aníbal; Tsukagoshi, Takashi; Yamato, Yoshihide; Wilner, David J.; Zhang, Ke (IOP, 2021)
      Constraining the distribution of gas and dust in the inner 20 au of protoplanetary disks is difficult. At the same time, this region is thought to be responsible for most planet formation, especially around the water ice ...
    • Molecules, dust, and protostars in NGC 3503 
      Duronea, N. U.; Vásquez, J.; Romero, G. A.; Cappa, C. E.; Barbá, R.; Bronfman Aguiló, Leonardo (EDP Sciences, 2014-05)
      Aims. We present here a follow-up study of the molecular gas and dust in the environs of the star forming region NGC 3503. This study aims at dealing with the interaction of the Hii  region NGC 3503 with its parental ...
    • Molienda Reactiva De Aleaciones Cu-Nb-C y Cu-Ti-C 
      Franjola Lara, Sebastián Patricio (Universidad de ChilePrograma Cybertesis, 2007)
    • Molino de jaula : su resistencia y modelación del proceso 
      Navarrete Carreño, Carlos Alfredo (Universidad de Chile, 2014)
      Los molinos de jaula son considerados de la clase de molinos de chancado de impacto, pues realizan la molienda del material que ingresa a través de choques con las barras de las jaulas que giran en sentidos opuestos. Las ...
    • Monetary policy and the banking sector in chile 
      Fernández Maturana, Viviana (M E SHARPE INC, 2005-05)
      This paper considers the existence of a bank lending channel in Chile. Toward that, we collect a data sample of nineteen banks that operated in Chile over January 1999-December 2002. In that period, banks primarily offered ...
    • Monitoreo activo de seguridad sobre la red chilena 
      Acha Araya, Eduardo Javier (Universidad de Chile, 2017)
      Si bien en pocas décadas Internet ha alcanzado un nivel inesperado de penetración e influencia en nuestras vidas, la seguridad de Internet no ha llegado a un nivel de madurez adecuado para acompañar tal desarrollo. ...
    • Monitoreo de aguas subterráneas utilizando modelos genéticos 
      Cuneo Barbosa, Giovanni Paolo (Universidad de Chile, 2022)
      Una adecuada gestión de las aguas subterráneas implica necesariamente el diseño de un buen modelo conceptual. Esto requiere diferentes especialidades de las ciencias de la ingeniería, que van desde el geólogo o especialista ...
    • Monitoreo de la actividad física de las personas, utilizando teléfonos inteligentes 
      Romo Navarrete, Pablo Sebastián (Universidad de Chile, 2014)
      Durante los últimos años, la sociedad ha tomado conciencia de la importancia de realizar actividad física. El índice de obesidad a nivel mundial ha alcanzado niveles críticos, levantando alarmas no sólo en organizaciones ...
    • Monitoreo de seguridad y medidas de prevención de contagio de Covid-19 mediante detección en sistema CCTV ... 
      Musso Zapico, José Ignacio (Universidad de Chile, 2021)
      La pandemia generada por el virus COVID-19 ha afectado enormemente a la industria minera: 275 minas debieron cesar sus operaciones en algún momento a lo largo del globo, conllevando a pérdidas millonarias. Es por esto que, ...