Mostrando ítems 581-600 de 1852

    • Population dynamics of Melanaphis donacis (Hemiptera: Aphididae) and its Coccinellidae and Syrphidae predators on Arundo donax L. 

      Undurraga, Nicole; Araya, Jaime E.; Zuazua, Francisco [Univ Mayor, Fac Ciencias, Escuela Agron, Chile]; Alonso, Maximo F. (Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal, 2020)
      The population density of the aphid Melanaphis donacis (Passerini) was studied in experimental plots of Arundo donax (L.) at the Antumapu Campus of the University of Chile, La Pintana (33 degrees 34' 08 '' S 70 degrees 38' ...
    • Satellite Remote Sensing Contributions to Wildland Fire Science and Management 

      Chuvieco, Emilio; Aguado, Inmaculada; Salas, Javier; García, Mariano; Yebra, Marta; Oliva, Patricia [Univ Mayor, Fac Ciencias, Escuela Ingn Forestal, Hemera Ctr Observac Tierra, Chile] (Springer International Publishing AG, 2020-06)
      Purpose This paper reviews the most recent literature related to the use of remote sensing (RS) data in wildland fire management. Recent Findings Studies dealing with pre-fire assessment, active fire detection, and fire ...
    • The necroptosis pathway and its role in age-related neurodegenerative diseases: will it open up new therapeutic avenues in the next decade? 

      Salvadores, Natalia [Univ Mayor, Fac Sci, Ctr Integrat Biol, Chile]; Court, Felipe A. [Univ Mayor, Fac Sci, Ctr Integrat Biol, Chile] (Taylor and Francis Ltd., 2020-07)
      Introduction: Necroptosis is a programmed form of necrotic cell death. Growing evidence demonstrates that necroptosis contributes to cell demise in different pathological conditions including age-dependent neurodegenerative ...
    • Effect of Tip Roundness on the Nanoindentation of Fe Crystals 

      Clara Zonana, M.; Ruestes, Carlos J.; Bringa, Eduardo M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Urbassek, Herbert M. (Springer New York, 2020-04)
      Indentation tips are never atomically sharp, but rounded at their end. We use atomistic simulation to study the effect of tip roundness for the particular case of a cube-corner pyramidal indenter by comparing the results ...
    • Effect of subsurface voids on the nanoindentation of Fe crystals 

      Hofer, Juan A.; Ruestes, Carlos J.; Bringa, Eduardo M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Urbassek, Herbert M. (IOP Publishing Ltd., 2020-03)
      Subsurface voids may strongly affect the response of materials to nanoindentation. We explore these effects for a bcc single-crystalline Fe sample using molecular dynamics simulation. Deformation occurs mainly by nucleation ...
    • Effect of MnTBAP on in vitro capacitation of frozen-thawed stallion sperm 

      Treulen, Favian [Univ Mayor, Fac Sci, Sch Med Technol, Chile]; Aguila, Luis; Elena Arias, María; Jofre, Ignacio; Felmer, Ricardo (Elsevier, 2020-10)
      In vitro manipulation of spermatozoa leads to deleterious changes of structure and function that occur mainly due to oxidative stress, therefore, prevention or treatment is a strategy to improve the functions of processed ...
    • Effect of High-Intensity Interval Training on Body Composition, Cardiorespiratory Fitness, Blood Pressure, and Substrate Utilization During Exercise Among Prehypertensive and Hypertensive Patients With Excessive Adiposity 

      Delgado-Floody, Pedro; Izquierdo, Mikel; Ramírez-Velez, Robinson; Caamano-Navarrete, Felipe; Moris, Roberto; Jerez-Mayorga, Daniel; Andrade, David C. [Univ Mayor, Fac Ciencias, Ctr Invest Fisiol Ejercicio, Chile]; Alvarez, Cristian (Frontiers Media S.A., 2020-10)
      Regular exercise training is a recognized lifestyle strategy to lower resting blood pressure (BP), but little is known about substrate metabolism in population with high BP. Thus, the purpose of this study was to investigate ...
    • Doped Poly(3-hexylthiophene) Coatings onto Chitosan: A Novel Approach for Developing a Bio-Based Flexible Electronic 

      Bonardd, Sebastián [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Morales, Natalia; Gence, Loik; Saldias, César; Angel, Felipe A.; Kortaberria, Galder; Leiva, Angel (American Chemical Society, 2020-03)
      Conductive and flexible bio-based materials consisting of chitosan films coated with conductive poly(3-hexylthiophene) (P3HT) were prepared. Thermal, optical, mechanical, morphological, wettability, and conductive properties ...
    • Does the association between physical capability and mortality differ by deprivation? Findings from the UK Biobank population-based cohort study 

      Rey-López, Juan Pablo; Frederick, K. W.; Foster, Hamish M. E.; Petermann-Rocha, Fanny; Sattar, Naveed; Pell, Jill P.; Gill, Jason M. R.; Gray, Stuart R.; Celis-Morales, Carlos A. [Univ Mayor, Ctr Exercise Physiol Res CIFE, Chile] (Routledge, 2020-12)
      Background To investigate whether the excess risk of adverse health outcomes associated with a lower physical capability in adulthood differs by deprivation levels. Methods 279,030 participants from the UK Biobank were ...
    • Does insulin-like growth factor moderate the association between height and risk of cancer at 24 sites? 

      Parra-Soto, Solange; Ho, Frederick K.; Pell, Jill P.; Celis-Morales, Carlos A. [Univ Mayor, Ctr Exercise Physiol Res CIFE, Chile] (Nature Publishing Group, 2020-11)
      Background Whether the association of height with cancers differs by insulin-like growth factors has not been fully elucidated. Therefore, this study aimed to investigate the sex-specific associations between height and ...
    • Differential Early Performance of Two Underplanted Hardwood Tree Species Following Restoration Treatments in High-Graded Temperate Rainforests 

      Soto, Daniel P.; Donoso, Pablo J.; Vásquez-Grandón, Angélica; González-Chang, Mauricio; Salas-Eljatib, Christian [Univ Mayor, Ctr Modelac & Monitored Ecosistemas, Chile] (MDPI AG, 2020-04)
      Rauli (Nothofagus alpina (Poepp. & Endl.)) and Ulmo (Eucryphia cordifolia Cav.) are mid-tolerant tree species in the Coihue-Rauli-Tepa (ca. 0.55 mill ha) and Evergreen (ca. 4.1 mill ha) forest types in south-central Chile, ...
    • Different Pollinators' Functional Traits Can Explain Pollen Load in Two Solitary Oil-Collecting Bees 

      Murua, Maureen [Univ Mayor, Fac Estudios Interdisciplinarios, Ctr GEMA Genom Ecol & Medio Ambiente, Chile] (MDPI Multidisciplinary Digital Publishing Institute, 2020-10)
      Pollinators' features, especially those with a functional role during the pollination process, have been shown to be a good predictor of pollen load for some bee species, but little is known about solitary bees. Here, I ...
    • Development and analytical validation of real-time PCR for the detection ofStreptococcus agalactiaein pregnant women 

      Escobar, Daniel F.; Diaz-Dinamarca, Diego A.; Hernández, Carlos F.; Soto, Daniel A.; Manzo, Ricardo A.; Alarcón, Pedro, I.; Pinto, Camila H.; Bastias, Diego N.; Oberg-Bravo, Carolayn N.; Rojas, Robert [Univ Mayor, Ctr Genorn & Bioinformat, Chile]; Illanes, Sebastian E.; Kalergis, Alexis M.; Vásquez, Abel E. (BioMed Central Ltd., 2020-06)
      Background Group BStreptococcus(GBS) is the leading cause of invasive neonatal infection. In this study, we aimed to evaluate the analytical validation of qualitative real-time polymerase chain reaction (qPCR) as a means ...
    • Decoding Gene Networks Modules That Explain the Recovery of Hymenoglossum cruentum Cav. After Extreme Desiccation 

      Ostria-Gallardo, Enrique; Larama, Giovanni; Berrios, Graciela; Fallard, Ana; Gutiérrez-Moraga, Ana; Ensminger, Ingo; Manque, Patricio [Univ Mayor, Ctr Integrat Biol, Chile]; Bascuñán-Godoy, Luisa; Bravo, León A. (Frontiers Media S.A., 2020-05)
      Hymenoglossum cruentum (Hymenophyllaceae) is a poikilohydric, homoiochlorophyllous desiccation-tolerant (DT) epiphyte fern. It can undergo fast and frequent dehydration-rehydration cycles. This fern is highly abundant at ...
    • Deciphering Additional Roles for the EF-Tu,l-Asparaginase II and OmpT Proteins of Shiga Toxin-Producing Escherichia coli 

      Torres, Alexia N.; Chamorro-Veloso, Nayaret [Univ Mayor, Biome Therapeut, Chile]; Costa, Priscila; Cádiz, Leandro; Del Canto, Felipe; Venegas, Sebastián A.; López Nitsche, Mercedes; Coloma-Rivero, Roberto F.; Montero, David A.; Vidal, Roberto M. (MDPI AG, 2020-08)
      Shiga toxin-producingEscherichia coli(STEC) causes outbreaks and sporadic cases of gastroenteritis. STEC O157:H7 is the most clinically relevant serotype in the world. The major virulence determinants of STEC O157:H7 are ...
    • Comparison of two different frailty measurements and risk of hospitalisation or death from COVID-19: findings from UK Biobank 

      Petermann-Rocha, Fanny; Hanlon, Peter; Gray, Stuart R.; Welsh, Paul; Gill, Jason M. R.; Foster, Hamish; Katikireddi, S. Vittal; Lyall, Donald; Mackay, Daniel F.; O'Donnell, Catherine A.; Sattar, Naveed; Nicholl, Barbara I.; Pell, Jill P.; Jani, Bhautesh D.; Ho, Frederick K.; Mair, Frances S.; Celis-Morales, Carlos A. [Univ Mayor, Ctr Exercise Physiol Res CIFE, Chile] (BioMed Central Ltd., 2020-11)
      Background Frailty has been associated with worse prognosis following COVID-19 infection. While several studies have reported the association between frailty and COVID-19 mortality or length of hospital stay, there have ...
    • Comparison of self-report versus accelerometer - measured physical activity and sedentary behaviors and their association with body composition in Latin American countries 

      de Moraes Ferrari, Gerson Luis [Univ Mayor, CIFE, Chile]; Kovalskys, Irina; Fisberg, Mauro; Gómez, Georgina; Rigotti, Attilio; Cortés Sanabria, Lilia Yadira; Yepez García, Martha Cecilia; Pareja Torres, Rossina Gabriella; Herrera-Cuenca, Marianella; Zimberg, Iona Zalcman; Guajardo, Viviana; Pratt, Michael; Miranda Pires, Carlos Andre; Colley, Rachel C.; ole, Dirceu; ELANS Study Grp (Public Library of Science, 2020-04)
      Background: Most population-based studies from Latin America have used questionnaires to measure physical activity (PA) and sedentary behaviors (SB). Low reliability and validity of the questionnaires has limited the ...
    • Collateral Sprouting of Peripheral Sensory Neurons Exhibits a Unique Transcriptomic Profile 

      Lemaitre, Dominique; Llavero Hurtado, Maica; De Gregorio, Cristian; Onate, Maritza; Martínez, Gabriela; Catenaccio, Alejandra [Univ Mayor, Fac Sci, Ctr Integrat Biol, Chile]; Wishart, Thomas M.; Court, Felipe A. [Univ Mayor, Fac Sci, Ctr Integrat Biol, Chile] (Humana Press, 2020-10)
      Peripheral nerve injuries result in motor and sensory dysfunction which can be recovered by compensatory or regenerative processes. In situations where axonal regeneration of injured neurons is hampered, compensation by ...
    • Physical capability markers used to define sarcopenia and their association with cardiovascular and respiratory outcomes and all-cause mortality: A prospective study from UK Biobank 

      Petermann-Rocha, Fanny; Ho, Frederick K.; Welsh, Paul; Mackay, Daniel; Brown, Rosemary; Gill, Jason M. R.; Sattar, Naveed; Gray, Stuart R.; Pell, Jill P.; Celis-Morales, Carlos A. [Univ Mayor, Ctr Exercise Physiol Res CIFE, Chile] (Elsevier Ireland Ltd, 2020-08)
      Introduction: It is unclear what combinations of physical capability markers used to define sarcopenia have the strongest associations with health outcomes. Aim: To compare the associations between different combinations ...
    • Nivel de actividad física y sedentarismo en personas con diagnóstico de cáncer en Chile 

      Concha-Cisternas, Yeny; Martinez-Sanguinetti, Maria Adela; Leiva, Ana María; Garrido-Mendez, Alex; Matus-Castillo, Carlos; Díaz-Martínez, Ximena; Salas, Carlos; Ramírez-Alarcón, Karina; Martorell, Miquel; Cigarroa, Igor; Lassarre-Laso, Nicole; Troncoso, Claudia; de Moraes Ferrari, Gerson Luis [Univ Mayor, CIFE, Chile]; Labraña, Ana María; Parra, Solange; Petermann-Rocha, Fanny; Celis-Morales, Carlos A. [Univ Mayor, Ctr Exercise Physiol Res CIFE, Chile] (Sociedad Medica de Santiago, 2020-02)
      Background: One of the side effects of cancer treatment is a low level of physical activity (PA) due to fatigue and pain. Aim: To quantify PA levels in Chilean people with cancer. Material and Methods: Analysis of the ...


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