Universidad Mayor (Chile): últimos ingresos

Mostrando ítems 2961-2980 de 7087

    • Tuning the structure and magnetic behavior of Ni-Ir-based nanoparticles in ionic liquids 

      Abarca, Gabriel [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; da Silva, Kacris I. M.; Bernardi, Fabiano; Baptista, Daniel L.; Leite Santos, Marcos José; Fernández Barquin, Luis; Dupont, Jairton; de Pedro, Imanol (ROYAL SOC CHEMISTRY, 2018)
      We report on a simple preparation of extremely small diameter (ca. 2 nm) Ni-Ir-based NPs using Ni(COD)(2) and [Ir(COD)OCH3](2) in 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMImNTf(2)). The prepared NPs ...

    • Spectroscopic and photometric study of the eclipsing interacting binary V495 Centauri 

      Araya, I. [Univ Mayor, Fac Ciencias, Nucleo Matemat Fis & Estadist, Santiago, Chile]; Mennickent, R. E.; Djurasevic, G.; Guzmán, J. A. Rosales; Cure, M. (OXFORD UNIV PRESS, 2018)
      Double Periodic Variables (DPV) are among the new enigmas of semidetached eclipsing binaries. These are intermediate-mass binaries characterized by a long photometric period lasting on average 33 times the orbital period. ...

    • An Empirical Study of Exhaustive Matching for Improving Motion Field Estimation 

      Lazcano, Vanel [Univ Mayor, Fac Estudios Interdisciplinarios, Nucleo Matemat Fis & Estadist, Santiago 7500628, Chile] (MDPI, 2018)
      Optical flow is defined as the motion field of pixels between two consecutive images. Traditionally, in order to estimate pixel motion field (or optical flow), an energy model is proposed. This energy model is composed of ...

    • Patellar Tendon Stiffness in Elite Breakdancers Assessed by Myotonometric Measurement 

      Cristi-Sánchez, Iver [Univ Mayor, Fac Ciencias, Escuela Kinesiol, Santiago, Chile]; Celsi Young, Fiorella; Danes-Daetz, Claudia; Monckeberg, Juan E.; Silvestre Aguirre, Rony (J MICHAEL RYAN PUBLISHING INC, 2018)
      Studies that have investigated the epidemiology of injuries in breakdancing have concluded that the second most common injury site is the knee and that the majority of breakdancers have experienced overuse syndrome. Tendon ...

    • Teaching Practices and Beliefs of University Teachers in Chile 

      Junod López, Pablo Antonio [Univ Mayor, Santiago, Chile]; Gloria Montanares, Elizabeth (UNIV AUTONOMA BAJA CALIFORNIA, INST INVESTIGACION & DESARROLLO EDUCATIVO, 2018)
      This paper discusses the teaching practices and beliefs of university teachers in the city of Temuco in Chile. To that effect, twelve university teachers working with fourth and fifth-level students in a health degree were ...

    • From whaling to whale watching: Identifying fin whale critical foraging habitats off the Chilean coast 

      Pérez-Alvarez, María José [Univ Mayor, Fac Ciencias, Escuela Med Vet, Santiago, Chile]; Sepúlveda, Maritza; Santos-Carvallo, Macarena; Pávez, Guido; Olavarria, Carlos; Moraga, Rodrigo; Zerbini, Alexandre N. (WILEY, 2018)
      1. Fin whales ( Balaenoptera physalus) have been documented along the coast of Chile since the early 20th century; however, information on their ecology and movement patterns remains poorly known. 2. In the spring of 2015, ...

    • Experimental and Computational Characterization of the Interaction between Gold Nanoparticles and Polyamidoamine Dendrimers 

      Camarada, María Belén [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Morales-Verdejo, C. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Comer, J.; Poblete, H.; Singam, E. R. Azhagiya; Márquez-Miranda, V.; González-Nilo, F. D. (AMER CHEMICAL SOC, 2018)
      Dendrimers provide a means to control the synthesis of gold nanoparticles and stabilize their suspensions. However, design of improved dendrimers for this application is hindered by a lack of understanding how the dendrimers ...

    • 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 ...

    • Structural, electronic and catalytic properties of palladium nanoparticles supported on poly(ionic liquid) 

      Abarca, Gabriel [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Simon, Nathalia M.; Scholten, Jackson D.; Domingos, Josiel B.; Mecerreyes, David; Dupont, Jairton (ELSEVIER SCIENCE BV, 2018)
      The structural, electronic and support effect on palladium nanoparticles (Pd NPs) prepared by sputtering deposition and chemical reduction of a Pd(II) precursor in/on a poly(ionic liquid) (PIL) was investigated in the ...

    • 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 ...

    • A Simulation Study Using Terrestrial LiDAR Point Cloud Data to Quantify Spectral Variability of a Broad-Leaved Forest Canopy 

      Cifuentes, Renato [Univ Mayor, Fac Ciencias, Hemera Ctr Observac Tierra, Santiago 8340589, Chile]; Van der Zande, Dimitry (MDPI, 2018)
      In this analysis, a method for construction of forest canopy three-dimensional (3D) models from terrestrial LiDAR was used for assessing the influence of structural changes on reflectance for an even-aged forest in Belgium. ...

    • Ankle perturbation generates bilateral alteration of knee muscle onset times after unilateral anterior cruciate ligament reconstruction 

      Pincheira, Patricio A. [Univ Mayor, Fac Ciencias, Escuela Kinesiol, Santiago, Chile]; Silvestre, Rony; Armijo-Olivo, Susan; Guzmán-Venegas, Rodrigo (PEERJ INC, 2018)
      Background. The aim of this study was to compare muscle activation onset times of knee muscles between the involved and uninvolved knee of patients with unilateral anterior cruciate ligament reconstruction (ACLR), and the ...

    • Clinical and epidemiological features of myasthenia gravis in Chilean population 

      Vidal, C. [Univ Mayor, Escuela Salud Publ, Santiago, Chile]; Hoffmeister, L. [Univ Mayor, Escuela Salud Publ, Santiago, Chile]; Cea, G.; Martínez, D.; Salinas, R.; Stuardo, A. (WILEY, 2018)
      ObjectiveTo provide an estimated prevalence and describe the clinical features of myasthenia gravis (MG) in Chile. MethodWe carried out (i) a prevalence study of MG using the capture-recapture method and the hospital ...

    • First Release of the Bacterial Biobank of the Urban Environment (BBUE) 

      Iraola, Gregorio [Univ Mayor, Ctr Biol Integrat, Santiago, Chile]; Antelo, Veronica; Betancor, Laura; Barcala, María Victoria; Miguez, Diana; Gonnet, Gaston H. (AMER SOC MICROBIOLOGY, 2018)
      Metagenomics is providing a broad overview of bacterial functional diversity; however, culturing and biobanking are still essential for microbiology. Here, we present the Bacterial Biobank of the Urban Environment (BBUE), ...

    • Prevalence and susceptibility pattern of bacteria isolated from infected chronic wounds in adult patients 

      Silva, Víctor [Univ Mayor, Fac Ciencias, Escuela Tecn Med, Santiago, Chile]; Marcoleta, Alicia [Univ Mayor, Fac Ciencias, Escuela Tecn Med, Santiago, Chile]; Silva, Vivian [Univ Mayor, Fac Ciencias, Escuela Tecn Med, Santiago, Chile]; Flores, Daangelo [Univ Mayor, Fac Ciencias, Escuela Tecn Med, Santiago, Chile]; Aparicio, Teresa [Univ Mayor, Fac Ciencias, Escuela Tecn Med, Santiago, Chile]; Aburto, Isabel; Latrach, Cecilia; Febre, Naldy (SOC CHILENA INFECTOLOGIA, 2018)
      Background: Chronic wounds are considered a public health problem that may be complicated by bacterial infections, mainly caused by resistant strains. Aim: To study the bacteria prevalence and antimicrobial susceptibility ...

    • Cardiorespiratory fitness and fat oxidation during exercise as protective factors for insulin resistance in sedentary women with overweight or obesity 

      Cancino-Ramírez, Javiera [Univ Mayor, Fac Med, Fisiol Clin Ejercicio, Santiago, Chile]; Soto-Sánchez, Johana; Zbinden-Foncea, Hermann; Moreno González, Manuel; Leyton-Dinamarca, Barbara; González-Rojas, Luis (AULA MEDICA EDICIONES, 2018)
      Introduction: obesity is a global pandemic and it is the biggest risk factor for death worldwide nowadays. Studies suggest that both cardiorespiratory fitness and fat oxidation in exercise are related to insulin resistance ...

    • Generation of a protocol for the synthesis of chitosan nanoparticles loaded with florfenicol through the ionic gelation method 

      Parodi, Jorge [Univ Mayor, Fac Ciencias Vicerrectoria Invest & Postgrad, Lab Biol Celular & Mol Aplicada, Temuco, Chile]; Carmona, Erico R.; Plaza, Tania; Recio-Sánchez, Gonzalo (UNIV NACIONAL MAYOR SAN MARCOS, 2018)
      The formation of nanoparticles of chitosan by the ionic gelation method has a high potential for loading, transport and controlled release of molecules. It is a simple method and the nanoparticles have good absorption, ...

    • PRELIMINARY RESULTS OF THE REACTION OF CYCLOTRIMERIZATION OF PHENYLACETYLENE [2+2+2] CATALYZED BY [(Cp*)Co(Indene)] COMPLEX 

      Morales-Verdejo, César [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada]; Camarada, María Belén [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Santiago, Chile]; Morales, Veronica; Canete, Alvaro; Martínez, Ivan; Manríquez, Juan Manuel; Chávez, Ivonne (SOC CHILENA QUIMICA, 2018)
      This work describes the catalytic study of [(Cp*)Co(Ind)] (with Cp*- pentamethylcyclopentadienyl, Ind = Indenyl, (C9H7)) complex in cyclotrimerization of phenylacetylene. From the cylcotrimerization reaction was possible ...

    • Where is the enigmatic Telmatobius halli Noble 1938? Rediscovery and clarification of a frog species not seen for 80 years 

      del Pozo, Talia [Univ Mayor, Fac Ciencias, Ctr Conservac & Propagac Vegetal CEPROVEG, Santiago, Chile]; Fibla, Pablo; Salinas, Hugo; Lobos, Gabriel; Fabres, Alejandra; Méndez, Marco A. (MAGNOLIA PRESS, 2018)
      Telmatobius halli was the first endemic Telmatobius species described in Chile, reported by Noble in 1938 near the locality of Ollague, in the high Andean zone of the Antofagasta region. To this date, there are no specimens ...

    • Probiotic properties of native Lactobacillus spp. strains for dairy calves 

      Trombert, A. N. [Univ Mayor, Genom & Bioinformat Ctr, Camino La Piramide 5750, Santiago, Chile]; Fernández, S.; Fraga, M.; Silveyra, E.; Rabaza, A.; Pla, M.; Zunino, P. (WAGENINGEN ACADEMIC PUBLISHERS, 2018)
      The use of native microorganisms with probiotic capacity is an alternative tool for the treatment and prevention of several diseases that affect animals, such as neonatal calf diarrhoea. The selection of probiotic strains ...