Mostrando ítems 1421-1440 de 1852

    • Co-existence and switching between fast and Omega-slow wind solutions in rapidly rotating massive stars 

      Araya, I. [Univ Mayor, Fac Ciencias, Nucleo Matemat Fis & Estadist, Santiago, Chile]; Cure, M.; ud-Doula, A.; Santillan, A.; Cidale, L. (OXFORD UNIV PRESS, 2018)
      Most radiation-driven winds of massive stars can be modelled with m-CAK theory, resulting in the so-called fast solution. However, the most rapidly rotating stars among them, especially when the rotational speed is higher ...
    • Core non-coding RNAs of Piscirickettsia salmonis 

      Arias-Carrasco, Raúl [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Santiago, Chile]; Maracaja-Coutinho, Vinicius [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Santiago, Chile]; Segovia, Cristopher [Univ Mayor, PhD Program Integrat Genom, Huechuraba, Chile]; Yañez, Alejandro J.; Santander, Javier (PUBLIC LIBRARY SCIENCE, 2018)
      Piscirickettsia salmonis, a fastidious Gram-negative intracellular facultative bacterium, is the causative agent o Piscirickettsiosis. P. salmonis has broad host range with a nearly worldwide distribution, causing significant ...
    • A Carbohydrate Moiety of Secreted Stage-Specific Glycoprotein 4 Participates in Host Cell Invasion by Trypanosoma cruzi Extracellular Amastigotes 

      Cordero, Esteban M. [Univ Mayor, Ctr Genom & Bioinformat, Fac Ciencias, Santiago, Chile]; Florentino, Pilar T. V.; Real, Fernando; Orikaza, Cristina M.; da Cunha, Julia P. C.; Vitorino, Francisca N. L.; Sobreira, Tiago J. P.; Mortara, Renato A. (FRONTIERS MEDIA SA, 2018)
      Trypanosoma cruzi is the etiologic agent of Chagas' disease. It is known that amastigotes derived from trypomastigotes in the extracellular milieu are infective in vitro and in vivo. Extracellular amastigotes (EAs) have a ...
    • Evaluation of frequency of antibodies against Toxoplasma gondii, Neospora caninum and Sarcocystis spp. and transmission routes in sheep from Humid Pampa, Argentina 

      Flores Olivares, Carlos [Univ Mayor, Fac Ciencias, Santiago, Chile]; Hecker, Yanina P.; Mogaburu Masson, Fernando; Armendano, Joaquin I.; Cora, Juan; Gual, Ignacio; Pardini, Lais; Moore, Dadin P.; More, Gastón; Canton, German J. (WALTER DE GRUYTER GMBH, 2018)
      The aim of this study was to describe the frequency of ovine specific antibodies to Toxoplasma gondii, Neospora caninum and Sarcocystis spp. and to estimate different transmission routes of these infections. One hundred ...
    • Impaired IRE1 alpha/XBP-1 pathway associated to DNA methylation might contribute to salivary gland dysfunction in Sjogren's syndrome patients 

      González, Sergio [Univ Mayor, Fac Ciencias, Escuela Odontol, Santiago, Chile]; Molina, Claudio [Univ Mayor, Fac Ciencias, Dept Patol Oral, Escuela Odontol, Santiago, Chile]; Sepúlveda, Denisse; Barrera, María-José; Castro, Isabel; Aguilera, Sergio; Carvajal, Patricia; Lagos, Carolina; Albornoz, Nicolás; Bahamondes, Verónica; Quest, Andrew F. G.; Urzua, Ulises; Leyton, Cecilia; Hermoso, Marcela A.; González, María-Julieta (OXFORD UNIV PRESS, 2018)
      Objectives. Labial salivary glands (LSGs) of SS patients show alterations related to endoplasmic reticulum stress. Glandular dysfunction could be partly the consequence of an altered inositol-requiring enzyme 1 alpha (IRE1 ...
    • Distributional ecology of Andes hantavirus: a macroecological approach 

      Astorga, Francisca [Univ Mayor, Fac Ciencias, Campus Huechuraba, Santiago]; Escobar, Luis E.; Poo-Muñoz, Daniela; Escobar-Dodero, Joaquín; Rojas-Hucks, Sylvia; Alvarado-Rybak, Mario; Duclos, Melanie; Romero-Alvarez, Daniel; Molina-Burgos, Blanca E.; Penafiel-Ricaurte, Alexandra; Toro, Frederick; Pena-Gómez, Francisco T.; Peterson, A. Townsend (BIOMED CENTRAL LTD, 2018)
      Background: Hantavirus pulmonary syndrome (HPS) is an infection endemic in Chile and Argentina, caused by Andes hantavirus (ANDV). The rodent Oligoryzomys longicaudatus is suggested as the main reservoir, although several ...
    • Variation of the alkaloid content of Peumus boldus (boldo) 

      Fuentes-Barros, Gonzalo [Univ Mayor, Escuela Ingn Forestal, Santiago, Chile]; Castro-Saavedra, Sebastián [Univ Mayor, Escuela Ingn Forestal, Santiago, Chile]; Liberona, Leonel; Acevedo-Fuentes, Williams; Tirapegui, Cristián; Mattar, César; Cassels, Bruce K. (ELSEVIER SCIENCE BV, 2018)
      Eighteen alkaloids were detected in the bark, leaves, wood and roots of Peumus boldus, including traces of secoboldine, N-methylsecoboldine (boldine methine), glaucine and norreticuline, not reported previously as constituents ...
    • Influence of fatigue and velocity on the latency and recruitment order of scapular muscles 

      Martínez-Valdés, Eduardo [Univ Mayor, Ctr Invest Fisiol Ejercicio CIFE, Santiago, Chile]; Méndez-Rebolledo, Guillermo; Gática-Rojas, Valeska; Guzmán-Muñoz, Eduardo; Guzmán-Venegas, Rodrigo; Berral de la Rosa, Francisco José (CHURCHILL LIVINGSTONE, 2018)
      Objectives: To determine the influence of velocity and fatigue on scapular muscle activation latency and recruitment order during a voluntary arm raise task, in healthy individuals. Design: Cross-sectional study. Setting: ...
    • Risk factors associated with type 2 diabetes in Chile 

      Celis-Morales, Carlos A. [Univ Mayor, CIFE, Santiago, Chile]; Leiva, Ana María; Adela Martínez, María; Petermann, Fanny; Garrido-Méndez, Alex; Poblete-Valderrama, Felipe; Díaz-Martínez, Ximena (ARAN EDICIONES, S L, 2018)
      Background: worldwide, prevalence of type 2 diabetes has doubled in the last years, mainly due to unhealthy lifestyle behaviours. They are many risk factors associated with diabetes, however, which factors are associated ...
    • Association of physical inactivity with obesity, diabetes, hypertension and metabolic syndrome in the chilean population 

      Celis-Morales, Carlos A. [Univ Mayor, CIFE, Santiago, Chile]; Díaz-Martínez, Ximena; Petermann, Fanny; María Leiva, Ana; Garrido-Méndez, Alex; Salas-Bravo, Carlos; Adela Martínez, María; María Labrana, Ana; Durán, Eliana; Valdivia-Moral, Pedro; Luisa Zagalaz, María; Poblete-Valderrama, Felipe; Alvarez, Cristián (SOC MEDICA SANTIAGO, 2018)
      Background: Physical inactivity is an important cardiovascular risk factor. Aim: To investigate the association of physical inactivity with obesity, metabolic markers, type 2 diabetes mellitus, hypertension and metabolic ...
    • Understanding Chemical Reactivity in Extended Systems: Exploring Models of Chemical Softness in Carbon Nanotubes 

      Múñoz, Macarena [Univ Mayor, Nucleo Matemat Fis & Estadist, Fac Ciencias, Manuel Montt 367, Santiago, Chile]; Cárdenas, Carlos; Contreras, Julia; Ayers, Paul W.; Gomez, Tatiana; Fuentealba, Patricio (PEKING UNIV PRESS, 2018)
      Chemical reactivity towards electron transfer is captured by the Fukui function. However, this is not well defined when the system or its ions have degenerate or pseudo-degenerate ground states. In such a case, the first-order ...
    • Rational Development of a Novel Hydrogel as a pH-Sensitive Controlled Release System for Nifedipine 

      Avila-Salas, Fabián [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Rodríguez Nuñez, Yeray A.; Marican, Adolfo; Castro, Ricardo I.; Villaseñor, Jorge; Santos, Leonardo S.; Wehinger, Sergio; Durán-Lara, Esteban F. (MDPI, 2018)
      This work depicts the rational development (in-silico design, synthesis, characterization and in-vitro evaluation) of polyvinyl alcohol hydrogels (PVAH) cross-linked with maleic acid (MA) and linked to gamma-cyclodextrin ...
    • Bioleaching of Arsenic-Bearing Copper Ores 

      Serrano, Jennyfer [Univ Mayor, Escuela Biotecnol]; Antonio Díaz, José; Leiva, Eduardo (MDPI, 2018)
      World copper (Cu) production has been strongly affected by arsenic (As) content, because As-rich Cu concentrates are not desirable in the metal foundries. When As-rich Cu concentrates are processed by smelting they release ...
    • Reciprocal grafting between clones with contrasting drought tolerance suggests a key role of abscisic acid in coffee acclimation to drought stress 

      Miyasaka Almeida, Andrea [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Camino Piramide 5750, Santiago, Chile]; Silva, Vania Aparecida; Prado, Fernanda Manso; Antunes, Werner Camargos; Cardoso Paiva, Rita Marcia; Gava Ferrao, María Amelia; Andrade, Alan Carvalho; Di Mascio, Paolo; Loureiro, Marcelo Ehlers; DaMatta, Fabio Murilo (SPRINGER, 2018)
      The role of abscisic acid (ABA) in drought tolerance of Coffea canephora is unknown. To determine whether ABA is associated with drought tolerance and if the use of tolerant rootstocks could increase ABA and drought ...
    • Impact of Hypothermic Stress During Special Operations Training of Chilean Military Forces 

      Cajigal Vargas, Jorge [Univ Mayor, Fac Humanities, Phys Educ Sch, Sports Sci Lab, San Pio 10 2422, Santiago 7510041, Chile]; Nieto Jimenez, Claudio; Triantafilo Vladilo, Vjera Sofia; Naranjo Orellana, José (OXFORD UNIV PRESS, 2018)
      Introduction: The Chilean Army considers processes that can optimize physical capacities for responding to the impact of situations and given stressors. The study of the effect of hypothermia as a stressor agent (HSA) and ...
    • Galactic or extragalactic chemical tagging for NGC3201? Discovery of an anomalous CN-CH relation 

      Araya, I. [Univ Mayor, Fac Ciencias, Nucleo Matemat Fis & Estadist, Santiago, Chile]; Dias, B.; Nogueira-Cavalcante, J. P.; Saker, L.; Shokry, A. (EDP SCIENCES S A, 2018)
      Context. The origin of the globular cluster (GC) NGC 3201 is under debate. Its retrograde orbit points to an extragalactic origin, but no further chemical evidence supports this idea. Light-element chemical abundances are ...
    • DENDROECOLOGICAL APPROACH TO ASSESSING CARBON ACCUMULATION DYNAMICS IN TWO PINUS SPECIES FROM NORTHERN MEXICO 

      Venegas-González, Alejandro [Univ Mayor, Escuela Ingn Forestal, Fac Ciencias, Santiago, Chile]; Pompa-García, Marin; Albiero Junior, Alci; Sigala-Rodríguez, José A. (TREE-RING SOC, 2018)
      Global climate change will alter forests by shifting species ranges, which has implications for their ecological functions. Annual tree-ring widths andwood density are useful proxies for carbon cycle studies across a range ...
    • Association between type 2 diabetes and physical activity in individuals with family history of diabetes 

      Celis-Morales, Carlos A. [Univ Mayor, CIFE, Santiago, Chile]; Petermann, Fanny; Díaz-Martínez, Ximena; Garrido-Méndez, Alex; Leiva, Ana María; Martínez, María Adela; Salas, Carlos; Poblete-Valderrama, Felipe (ELSEVIER, 2018)
      Objective: To investigate whether the association between type 2 diabetes (T2D) and family history of diabetes is modified by the levels of physical activity in the Chilean population. Method: In this study were included ...
    • Risk of cognitive impairment among older people with diabetes or family history of the disease 

      Celis-Morales, Carlos A. [Univ Mayor, CIFE, Santiago, Chile]; Petermann, Fanny; Troncoso-Pantoja, Claudia; Adela Martínez, María; María Leiva, Ana; Ramírez-Campillo, Rodrigo; Poblete-Valderrama, Felipe; Garrido-Méndez, Alex; Díaz-Martínez, Ximena; Ulloa, Natalia; Concha, Yeny (SOC MEDICA SANTIAGO, 2018)
      Background: Although cardiovascular risk factors are associated with an impaired cognitive function, the impact of diabetes on cognitive function in Chilean adults is unknown. Aim: To investigate the association of diabetes ...
    • Levels of physical activity and excess body weight in university students 

      Celis-Morales, Carlos A. [Univ Mayor, CIFE, Santiago, Chile]; Concha-Cisternas, Yeny; Guzmán-Muñoz, Eduardo; Valdés-Badilla, Pablo; Lira-Cea, Carlos; Petermann, Fanny (SOC MEDICA SANTIAGO, 2018)
      Background: University students are considered a vulnerable group due to their adoption of unhealthy diets and lifestyles. Aim: To determine the main risk factors associated with low level of physical activity and excess ...


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