Universidad Mayor (Chile): últimos ingresos

Mostrando ítems 2921-2940 de 7087

    • Catalytic effects of p-phenylene-bridged methylated binuclear ferrocenes on thermal decomposition of the main component of composite solid propellants 

      Carreño, Gustavo [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada CNAP, Camino Piramide 5750, Santiago, Chile]; Ríos, Paulina L. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Camarada, María Belén [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada CNAP]; Morales-Verdejo, César [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada CNAP]; Povea, Paula; Luis Arroyo, Juan; Norambuena, Angel; Chávez, Ivonne; Manuel Manríquez, Juan (ELSEVIER SCIENCE BV, 2018)
      This contribution describes the catalytic activity of homobimetallic complexes derived from p-phenylene on the thermal decomposition of ammonium perchlorate (abbreviated as AP). The complexes, [CpFe-p-Ph-FeCp] (1), ...

    • The inhibition of CTGF/CCN2 activity improves muscle and locomotor function in a murine ALS model 

      Court, Felipe A. [Univ Mayor, Ctr Integrat Biol, Fac Sci, Santiago, Chile]; González, David; Rebolledo, Daniela L.; Correa, Lina M.; Cerpa, Waldo; Lipson, Kenneth E.; van Zundert, Brigitte; Brandan, Enrique (OXFORD UNIV PRESS, 2018)
      Amyotrophic lateral sclerosis (ALS) is a devastating adult-onset progressive neurodegenerative disease characterized by upper and lower motoneuron degeneration. A total of 20% of familial ALS (fALS) cases are explained by ...

    • International meeting on sarcoptic mange in wildlife, June 2018, Blacksburg, Virginia, USA 

      Astorga, Francisca [Univ Mayor, Fac Ciencias, Campus Huechuraba, Santiago]; Carver, Scott; Almberg, Emily S.; Sousa, Giovane R.; Wingfiele, Kimberly; Niedringhaus, Kevin D.; Van Wick, Peach; Rossi, Luca; Xie, Yue; Cross, Paul; Angelone, Samer; Gortazar, Christian; Escobar, Luis E. (BMC, 2018)
      Sarcoptic mange is a globally distributed disease caused by the burrowing mite Sarcoptes scabiei, which also causes scabies in humans. A wide and increasing number of wild mammal species are reported to be susceptible to ...

    • Can physical activity attenuate the negative association between sitting time and cognitive function among older adults? A mediation analysis 

      Celis-Morales, Carlos A. [Univ Mayor, CIFE, Santiago, Chile]; García-Hermoso, Antonio; Ramírez-Vélez, Robinson; Olloquequi, Jordi; Izquierdo, Mikel (PERGAMON-ELSEVIER SCIENCE LTD, 2018)
      The purpose of this study was to examine the combined association of sitting time and physical activity with cognitive function and to determine whether moderate-to-vigorous physical activity (MVPA) is a mediator of the ...

    • Association of high 5-hydroxymethylcytosine levels with Ten Eleven Translocation 2 overexpression and inflammation in Sjogren's syndrome patients 

      González, Sergio [Univ Mayor, Fac Ciencias, Escuela Odontol, Santiago, Chile]; Lagos, Carolina; Caryajal, Patricia; Castro, Isabel; Jara, Daniela; Aguilera, Sergio; Barrera, María-José; Quest, Andrew F. G.; Bahamondes, Veronica; Molina, Claudio; Urzua, Ulises; Hermoso, Marcela A.; Leyton, Cecilia; González, María-Julieta (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2018)
      Here, we determined the 5-hydroxymethylcytosine (5hmC), 5-methylcytosine (5mC), Ten Eleven Translocation (TETs), and DNA methyltransferases (DNMTs) levels in epithelial and inflammatory cells of labial salivary glands (LSG) ...

    • Nutrient Transport Driven by Microbial Active Carpets 

      Guzmán-Lastra, Francisca [Univ Mayor, Fac Ciencias, Av Manuel Montt 367, Santiago 7500994, Chile]; Mathijssen, Arnold J. T. M.; Kaiser, Andreas; Lowen, Hartmut (AMER PHYSICAL SOC, 2018)
      We demonstrate that active carpets of bacteria or self-propelled colloids generate coherent flows towards the substrate, and propose that these currents provide efficient pathways to replenish nutrients that feed back into ...

    • Prediction of drought-induced reduction of agricultural productivity in Chile from MODIS, rainfall estimates, and climate oscillation indices 

      Zambrano, Francisco [Univ Mayor, Hemera Ctr Observac Tierra, Escuela Agron, Fac Ciencias, La Piramide 5750, Santiago, Chile]; Vrieling, Anton; Nelson, Andy; Meroni, Michele; Tadesse, Tsegaye (ELSEVIER SCIENCE INC, 2018)
      Global food security is negatively affected by drought. Climate projections show that drought frequency and intensity may increase in different parts of the globe. These increases are particularly hazardous for developing ...

    • Effect of yeast (Xanthophyllomyces dendrorhous) and plant (Saint John's wort, lemon balm, and rosemary) extract based functional diets on antioxidant and immune status of Atlantic salmon (Salmo salar) subjected to crowding stress 

      Reyes-Cerpa, Sebastián [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Santiago, Chile]; Pérez-Stuardo, Diego [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Santiago, Chile]; Vallejos-Vidal, Eva; González-Brown, María José; Morales-Reyes, Jonathan; Vargas, Deborah; Imarai, Mónica; Cifuentes, Víctor; Spencer, Eugenio; Sandino, Ana María; Reyes-López, Felipe E. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2018)
      Salmon farming may face stress due to the intensive culture conditions with negative impacts on overall performance. In this aspect, functional feed improves not only the basic nutritional requirements but also the health ...

    • Structure-Activity Relationships Based on 3D-QSAR CoMFA/CoMSIA and Design of Aryloxypropanol-Amine Agonists with Selectivity for the Human 3-Adrenergic Receptor and Anti-Obesity and Anti-Diabetic Profiles 

      Morales-Verdejo, César [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Lorca, Marcos; Vásquez-Velásquez, David; Andrades-Lagos, Juan; Campanini-Salinas, Javier; Soto-Delgado, Jorge; Recabarren-Gajardo, Gonzalo; Mella, Jaime (MDPI, 2018)
      The wide tissue distribution of the adrenergic 3 receptor makes it a potential target for the treatment of multiple pathologies such as diabetes, obesity, depression, overactive bladder (OAB), and cancer. Currently, there ...

    • Results from Chile's 2018 Report Card on Physical Activity for Children and Youth 

      Celis-Morales, Carlos A. [Univ Mayor, CIFE, Santiago, Chile]; Aguilar-Farias, Nicolás; Miranda-Marquez, Sebastián; Sadarangani, Kabir P.; Martino-Fuentealba, Pia; Cristi-Montero, Carlos; Carcamo-Oyarzun, Jaime; Delgado-Floody, Pedro; Chandia-Poblete, Damian; Mella-García, Camila; Rodríguez-Rodríguez, Fernando; Von Oetinger, Astrid; Balboa-Castillo, Teresa; Pena, Sebastián; Cuadrado, Cristobal; Bedregal, Paula; García-Hermoso, Antonio; Cortinez-O'Ryan, Andrea (HUMAN KINETICS PUBL INC, 2018)

    • 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 ...

    • Temporal variation in structural properties of tropical plant-herbivore networks: The role of climatic factors 

      López-Carretero, Antonio [Univ Mayor, Ctr Genom Ecol & Medio Ambiente, Santiago 8580745, Chile]; Díaz-Castelazo, Cecilia; Boege, Karina; Rico-Gray, Víctor (ELSEVIER SCIENCE BV, 2018)
      Plant herbivore interactions can be influenced by abiotic factors such as climate or resource availability. Nevertheless, the influence of climatic variation on the temporal dynamics of plant-herbivore networks has been ...

    • Bending energy of 2D materials: graphene, MoS2 and imogolite 

      González, Rafael I. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile]; Valencia, Felipe J. [Univ Mayor, Fac Ciencias, Nucl Matemat Fis & Estadit]; Rogan, Joséé; Valdivia, Juan Alejandro; Sofo, Jorge; Kiwi, Miguel; Muñoz, Francisco (ROYAL SOC CHEMISTRY, 2018)
      The bending process of 2D materials, subject to an external force, is investigated, and applied to graphene, molybdenum disulphide (MoS2), and imogolite. For graphene we obtained 3.43 eV angstrom(2) per atom for the bending ...

    • The effects of respiratory muscle training on peak cough flow in patients with Parkinson's disease: a randomized controlled study 

      Castillo, Javiera [Univ Mayor, Fac Ciencias, Escuela Fonoaudiol, Santiago, Chile]; Reyes, Alvaro; Castillo, Adrián; Cornejo, Isabel (SAGE PUBLICATIONS LTD, 2018)
      Objective: To compare the effects of an inspiratory versus and expiratory muscle-training program on voluntary and reflex peak cough flow in patients with Parkinson disease. Design: A randomized controlled study. Setting: ...

    • Results From Brazil's 2018 Report Card on Physical Activity for Children and Youth 

      de Moraes Ferrari, Gerson Luis [Univ Mayor, Ctr Invest Fisiol Ejercicio, Santiago, Chile]; Santos Silva, Diego Augusto; Destro Christofaro, Diego Giulliano; da Silva, Kelly Samara; Nardo, Nelson; dos Santos Silva, Roberto Jeronimo; Fernandes, Romulo Araujo; Barbosa Filho, Valter Cordeiro (HUMAN KINETICS PUBL INC, 2018)

    • Occurrence and Genetic Diversity of Bartonella spp. (Rhizobiales: Bartonellaceae) and Rickettsia spp. (Rickettsiales: Rickettsiaceae) in Cat Fleas (Siphonaptera: Pulicidae) From Chile 

      Bittencourt, Pedro [Univ Mayor, Fac Ciencias, Escuela Med Vet, Temuco, Chile]; Mueller, Ananda; Rodríguez, Elsa; Walker, Romina; Pérez-Macchi, Sandra; Ricardo Goncalves, Luiz; Zacarias Machado, Rosangela; Rogerio Andre, Marcos (OXFORD UNIV PRESS INC, 2018)
      The aim of this study was to perform a molecular survey and determine the genetic diversity of Bartonella spp. (Rhizobiales: Bartonellaceae) and Rickettsia spp. (Rickettsiales: Rickettsiaceae) in cat fleas (Siphonaptera: ...

    • Short-term response of soil microorganisms, nutrients and plant recovery in fire-affected Araucaria araucana forests 

      Salas-Eljatib, Christian [Univ Mayor, Fac Ciencias, Ctr Modelac & Monitoreo Ecosistemas, Santiago, Chile]; Fuentes-Ramírez, Andrés; Barrientos, Marcia; Almonacid, Leonardo; Arriagada-Escamilla, César (ELSEVIER SCIENCE BV, 2018)
      Soil contains a wide variety of microorganisms that are responsible for fundamental ecological processes. However, increased frequency and severity of fires reduce microbial diversity and alter soil nutrient availability, ...

    • RIP-MD: a tool to study residue interaction networks in protein molecular dynamics 

      Contreras-Riquelme, Sebastián [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Network Biol Lab, Santiago, Chile]; Martín, Alberto J. M. [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Network Biol Lab, Santiago, Chile]; Garate, José-Antonio; Pérez-Acle, Tomás (PEERJ INC, 2018)
      Protein structure is not static; residues undergo conformational rearrangements and, in doing so, create, stabilize or break non-covalent interactions. Molecular dynamics (MD) is a technique used to simulate these movements ...

    • 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 ...

    • Linear Versus Nonlinear Acoustic Probing of Plasticity in Metals: A Quantitative Assessment 

      Salinas, Vicente [Univ Mayor, Fac Estudios Interdisciplinarios, Nucleo Matemat Fis & Estadist, Manuel Montt 318, Providencia 7500628, Chile]; Espinoza, Carolina; Feliu, Daniel; Aguilar, Claudio; Espinoza-González, Rodrigo; Lund, Fernando; Mújica, Nicolás (MDPI, 2018)
      The relative dislocation density of aluminum and copper samples is quantitatively measured using linear Resonant Ultrasound Spectroscopy (RUS). For each metallic group, four samples were prepared with different thermomechanical ...