Facultad de Ciencias Físicas y Matemáticas: Recent submissions

Now showing items 8321-8340 of 22292

    • Source time reversal (STR) method for linear elasticity 
      Brevis, Ignacio; Rodríguez-Rozas, Ángel; Ortega, Jaime H.; Pardo, David (Elsevier Ltd, 2019)
      © 2018 Elsevier Ltd We study the problem of source reconstruction for a linear elasticity problem applied to seismicity induced by mining. We assume the source is written as a variable separable function f(x)g(t). We first ...
    • In situ preparation and osteogenic properties of bionanocomposite scaffolds based on aliphatic polyurethane ... 
      Covarrubias, Cristian; Agüero, Amaru; Maureira, Miguel; Morelli, Emmanuel; Escobar, Giselle; Cuadra, Felipe; Peñafiel, Cristian; Von Marttens, Alfredo (Elsevier Ltd, 2019)
      © 2018 Elsevier B.V. Bionanocomposite scaffolds based on aliphatic polyurethane (PU) and bioactive glass nanoparticles were produced by using a one-step in situ polymerization method. Bioactive glass nanoparticles (nBG) ...
    • Financial segmentation and collateralized debt in infinite-horizon economies 
      Iraola, Miguel A.; Sepúlveda, Fabián; Torres-Martínez, Juan Pablo (Elsevier B.V., 2019)
      © 2018 Elsevier B.V. In this paper we address equilibrium existence in economies with default, long-term collateralized debt, and financial market segmentation. We first prove equilibrium existence in the finite-horizon ...
    • Influence of growth differentiation factor 9 and bone morphogenetic protein 15 on in vitro maturation of ... 
      Garcia, Pablo; Aspee, Karla; Ramirez, Georges; Dettleff, Phillip; Palomino, Jaime; Peralta, Oscar A.; Parraguez Gamboa, Víctor; Reyes Solovera, Mónica de los (Blackwell Publishing Ltd, 2019)
      © 2018 Blackwell Verlag GmbH Growth differentiation factor 9 (GDF-9) and bone morphogenetic protein 15 (BMP-15) have pivotal roles in oocyte development in many species, therefore the aim was to investigate these factors ...
    • Laser Surface Texturing of Stainless Steel − Effect of Pulse Duration on Texture's Morphology and Frictional ... 
      Zhang, Junjie; Yang, Dinghuai; Rosenkranz, Andreas; Zhang, Jianguo; Zhao, Liang; Song, Chengwei; Yan, Yongda; Sun, Tao (Wiley-VCH Verlag, 2019)
      © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Laser surface texturing is a powerful tool to fabricate functional surface textures, whereby their morphology and cross-sectional profile greatly depend on laser parameters ...
    • Geochemical and micro-textural fingerprints of boiling in pyrite 
      Román, Nelson; Reich Morales, Martín; Leisen, Mathieu; Morata Céspedes, Diego; Barra, Fernando; Deditius, Artur P. (Elsevier Ltd, 2019)
      © 2018 Elsevier Ltd The chemical composition, textures and mineral associations of pyrite provide key information that help elucidate the evolution of hydrothermal systems. However, linking the compositional and micro-textural ...
    • Preventing mental health risks in volunteers in disaster contexts: The case of the Villarrica Volcano ... 
      Espinoza, Adriana E.; Osorio-Parraguez, Paulina; Posada Quiroga, Elvis (Elsevier Ltd, 2019)
      © 2018 Chile is a country that is constantly affected by natural disasters. In this article we present the results of a qualitative follow-up study with members of the Chilean Red Cross, who led the evacuation of the Pucón ...
    • Higher luteinizing hormone levels associated with antimüllerian hormone in postmenarchal daughters of women ... 
      Crisosto King, Nicolás; Ladrón de Guevara, Amanda; Echiburú López, Bárbara; Maliqueo Yevilao, Manuel; Cavada, Gabriel; Codner Dujovne, Ethel; Paez, Francisco; Sir Petermann, Teresa (Elsevier Inc., 2019)
      © 2018 American Society for Reproductive MedicineObjective: To study the reproductive and metabolic differences between daughters of women with polycystic ovary syndrome (PCOSd) and control women (Cd) after menarche. Design: ...
    • The prevalence and audience reach of food and beverage advertising on Chilean television according to ... 
      Correa, Teresa; Reyes, Marcela; Smith Taillie, Lindsey P.; Dillman Carpentier, Francesca R. (Cambridge University Press, 2019)
      © The Authors 2018.Objective In the light of Chile's comprehensive new restriction on unhealthy food marketing, we analyse food advertising on Chilean television prior to the first and final phases of implementation of the ...
    • Heterologous expression and biochemical characterization of a novel cold-active α-amylase from the Antarctic ... 
      Sanchez, Anamaria C.; Ravanal, María Cristina; Andrews, Barbara A.; Asenjo, Juan A. (Academic Press Inc., 2019)
      © 2018 Elsevier Inc.α-Amylase is an endo-acting enzyme which catalyzes random hydrolysis of starch. These enzymes are used in various biotechnological processes including the textile, paper, food, biofuels, detergents and ...
    • Parallel learning processes of a visuomotor adaptation task in a changing environment 
      Mariman, Juan J.; Burgos, Pablo; Maldonado Arbogast, Pedro (Blackwell Publishing Ltd, 2019)
      © 2018 Federation of European Neuroscience Societies and John Wiley & Sons Ltd During the control of reaching movements, a key contribution of the visual system is the localization of relevant environmental targets. In ...
    • Subjective modeling decisions can significantly impact the simulation of flood and drought events 
      Melsen, Lieke A.; Teuling, Adriaan J.; Torfs, Paul J.J.F.; Zappa, Massimiliano; Mizukami, Naoki; Mendoza, Pablo A.; Clark, Martyn P.; Uijlenhoet, Remko (Elsevier B.V., 2019)
      © 2018 The Author(s)It is generally acknowledged in the environmental sciences that the choice of a computational model impacts the research results. In this study of a flood and drought event in the Swiss Thur basin, we ...
    • Hydroxytyrosol supplementation ameliorates the metabolic disturbances in white adipose tissue from mice fed ... 
      Illesca, Paola; Valenzuela, Rodrigo; Espinosa, Alejandra; Echeverría, Francisca; Soto Alarcón, Sandra A.; Ortiz, Macarena; Videla Cabrera, Luis (Elsevier Masson SAS, 2019)
      © 2018 The Authors Background: White adipose tissue (WAT) have a relevant metabolic and inflammatory function, in overweight or obesity conditions. In this regard, the WAT under over feeding nutrition present a significant ...
    • Linked factors to access to sexual health checkups of female sex workers in the metropolitan region of Chile 
      Prieto, Julieta Belmar; Ávila, Valeria Stuardo; Folch, Cinta; Montoliu, Alexandra; Casabona, Jordi (Springer International Publishing, 2019)
      © 2018, Swiss School of Public Health (SSPH+).Objectives: To describe and compare the profile of female sex workers (FSWs) that access or do not access sexual health checkups (SHC). The research question was what are the ...
    • A multicriteria stochastic optimization framework for sustainable forest decision making under uncertainty 
      Álvarez Miranda, Eduardo; Garcia-Gonzalo, Jordi; Pais, Cristobal; Weintraub Pohorille, Andrés (Elsevier B.V., 2019)
      © 2018 Elsevier B.V.A core process in forestry planning corresponds to the design of optimal harvesting policies along with road network layouts. In the most common setting, decision makers seek for solutions that maximize ...
    • The kinetic effect of H 2 O pressure on CO hydrogenation over different Rh cluster sizes 
      Jiménez, Romel; Fuentes, Karla; Medina, María Paz; Godoy, Sebastián; Gracia, Francisco; Karelovic, Alejandro (Elsevier Ltd, 2019)
      © 2018 Hydrogen Energy Publications LLC The effect of H 2 O pressure (P H2O ) on CH 4 formation turnover rate (TOF CH4 ) was evaluated as a function of Rh cluster size. In-situ DRIFTS and kinetic measurements were used to ...
    • The influence of seawater on magnetite tailing rheology 
      Reyes, Cristian; Álvarez, Matías; Ihle, Christian F.; Contreras, Matías; Kracht, Willy (Elsevier Ltd, 2019)
      © 2018 Elsevier Ltd It is well known that seawater affects mineral beneficiation, especially in the presence of fine particles. In the present paper, the effect of seawater fraction on the rheology of unflocculated fine ...
    • Damage assessment of the 2015 Mw 8.3 Illapel earthquake in the North-Central Chile 
      Fernández, José; Pastén, César; Ruiz Tapia, Sergio; Leyton, Felipe (Springer Netherlands, 2019)
      © 2018, Springer Nature B.V.Destructive megathrust earthquakes, such as the 2015 Mw 8.3 Illapel event, frequently affect Chile. In this study, we assess the damage of the 2015 Illapel Earthquake in the Coquimbo Region ...
    • Development and applicability of GBS approach for genomic studies in Japanese plum (Prunus salicina Lindl.) 
      Salazar, Juan Alfonso; Pacheco, Igor; Silva, Claudia; Zapata, Patricio; Shinya, Paulina; Ruiz, David; Martínez Gómez, Pedro; Infante Espiñeira, Rodrigo (Taylor and Francis Ltd., 2019)
      © 2018, © 2018 The Journal of Horticultural Science & Biotechnology Trust. Genotyping by sequencing (GBS) provides a large quantity of useful data suitable for the identification of single nucleotide polymorphisms (SNPs), ...
    • Optimal Dual-VENC Unwrapping in Phase-Contrast MRI 
      Carrillo, Hugo; Osses, Axel; Uribe, Sergio; Bertoglio, Cristobal (Institute of Electrical and Electronics Engineers Inc., 2019)
      © 2018 IEEE. Dual-VENC strategies have been proposed to improve the velocity-to-noise ratio in phase-contrast MRI. However, they are based on aliasing-free high-VENC data. The aim of this paper is to propose a dual-VENC ...