Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 21521-21540 of 98852

    • Encapsulation of cochleates derived from salmonella infantis with biopolymers to develop a potential oral ... 
      Avendaño, Constanza; Vidal, Sonia; Villamizar Sarmiento, María Gabriela; Guzmán, Miguel; Hidalgo Olate, Hector Anibal; Lapierre Acevedo, Lisette Nicole; Valenzuela Venegas, Carolina Paz; Sáenz Iturriaga, Leonardo Enrique (MDPI, 2021)
      The aim of this study was to develop and characterize Salmonella enterica serovar Infantis (S. Infantis) cochleates protected by encapsulation technology as a potential vaccine and to determine its safety in pullets. ...
    • Contaminant emissions as indicators of chemical elements in the snow along a latitudinal gradient in southern Andes 
      Pizarro, Jaime; Vergara, Pablo M.; Cerda, Sergio; Cordero, Raúl R.; Castillo Castillo, Ximena Andre; Rowe, Penny M.; Casassa Rogazinski, Gino; Carrasco, Jorge; Damiani, Alessandro; Llanillo, Pedro J.; Lambert, Fabrice; Rondanelli Rojas, Roberto Francisco; Huneeus Lagos, Nicolás Jorge; Fernandoy, Francisco; Alfonso, Juan; Neshyba, Steven (Nature, 2021)
      The chemical composition of snow provides insights on atmospheric transport of anthropogenic contaminants at different spatial scales. In this study, we assess how human activities influence the concentration of elements ...
    • Impacto económico de la caracterización geometalúrgica y variables operacionales de molibdeno en la planta ... 
      Morin Cerliani, Eduardo Andrés (Universidad de Chile, 2021)
      División Andina CODELCO ha presentado en los últimos cinco años una caída en la calidad del mineral alimentado desde la mina Rajo asociado a la disminución de la ley de molibdeno. Como consecuencia la Planta de Flotación ...
    • Sudden large-volume detachments of low-angle mountain glaciers – more frequent than thought? 
      Kääb, Andreas; Jacquemart, Mylène; Gilbert, Adrien; Leinss, Silvan; Girod, Luc; Huggel, Christian; Falaschi, Daniel; Ugalde, Felipe; Petrakov, Dmitry; Chernomorets, Sergey; Dokukin, Mikhail; Paul, Frank; Gascoin, Simón; Berthier, Etienne; Kargel, Jeffrey S. (Copernicus, 2021)
      The detachment of large parts of low-angle mountain glaciers resulting in massive ice-rock avalanches have so far been believed to be a unique type of event, made known to the global scientific community first for the 2002 ...
    • SPINK7 expression changes accompanied by HER2, P53 and RB1 can be relevant in predicting oral squamous cell ... 
      Pennacchiotti Vidal, Gina Fabiola; Valdés Gutiérrez, Fabio; González Arriagada, Wilfredo Alejandro; Montes, Héctor Federico; Parra, Judith María Roxana; Guida, Valeria Andrea; Gómez, Silvina Esther; Guerrero Giménez, Martín Eduardo; Fernández Muñoz, Juan Manuel; Martin Zoppino, Felipe Carlos; Carón, Rubén Walter; Ezquer, Marcelo Eduardo; Fernández Ramires, Ricardo; Bruna, Flavia Alejandra (Nature, 2021)
      The oral squamous cell carcinoma (OSCC), which has a high morbidity rate, affects patients worldwide. Changes in SPINK7 in precancerous lesions could promote oncogenesis. Our aim was to evaluate SPINK7 as a potential ...
    • Social inclusion and physical activity in ciclovía recreativa programs in Latin America 
      Mejía Arbeláez, Carlos; Sarmiento, Olga L.; Mora Vega, Rodrigo Iván; Flores Castillo, Mónica; Truffello, Ricardo; Martínez, Lina; Medina, Catalina; Guaje, Oscar; Pinzón Ortiz, José David; Useche, Andrés F.; Rojas Rueda, David; Delclòs Alió, Xavier (MDPI, 2021)
      Ciclovia Recreativa is a program in which streets are closed off to automobiles so that people have a safe and inclusive space for recreation and for being physically active. The study aims were: (1) to compare participant's ...
    • Damage control surgical management of combined small and large bowel injuries in penetrating trauma: ¿Are ... 
      Ordóñez, Carlos A.; Parra, Michael W.; Caicedo, Yaset; Padilla, Natalia; Angamarca, Edison; Serna, José Julián; Rodríguez Holguín, Fernando; García, Alberto; Salcedo, Alexander; Pino, Luis Fernando; González Hadad, Adolfo; Herrera, Mario Alain; Quintero, Laureano; Hernández, Fabián; Franco, María Josefa; Aristizábal, Gonzalo; Toro, Luis Eduardo; Guzmán Rodríguez, Mónica Andrea; Coccolini, Federico; Ferrada, Ricardo; Ivatury, Rao (Corporación Editora Medica Valle, Colombia, 2021)
      Hollow viscus injuries represent a significant portion of overall lesions sustained during penetrating trauma. Currently, isolated small or large bowel injuries are commonly managed via primary anastomosis in patients ...
    • RvE1 Impacts the gingival inflammatory infiltrate by inhibiting the t cell response in experimental periodontitis 
      Álvarez, Carla; Abdalla, Henrique; Sulliman, Salwa; Rojas, Paola; Wu, Yu-Chiao; Almarhoumi, Rawan; Huang, Ren-Yeong; Galindo Díaz, Mario Alex; Vernal Astudillo, Rolando Marcelo; Kantarci, Alpdogan (Frontiers Media, 2021)
      Periodontitis is a chronic inflammatory disease associated with the formation of dysbiotic plaque biofilms and characterized by the progressive destruction of the alveolar bone. The transition from health to disease is ...
    • Indicador de huella de agua territorial para Chile enfocado al sector productivo 
      Montenegro Araneda, Andrea Belén (Universidad de Chile, 2021)
      Chile se enfrenta a una emergente crisis que pone en riesgo la seguridad hídrica del país, agravada por una deficiente gestión y gobernanza del agua. Se detecta como oportunidad de mejora la creación de un marco normativo ...
    • Respiratory function in patients post-infection by COVID-19: a systematic review and meta-analysis 
      Torres Castro, Rodrigo Hernán; Vasconcello Castillo, Luis Eduardo; Alsina Restoy, X.; Solís Navarro, Lilian Verónica; Burgos, F.; Puppo Gallardo, Homero Luis; Vilaró, J. (Elsevier, 2021)
      Background: Evidence suggests lungs as the organ most affected by coronavirus disease 2019 (COVID-19). The literature on previous coronavirus infections reports that patients may experience persistent impairment in ...
    • Restoration and conservation of priority areas of caatinga’s semi-arid forest remnants can support connectivity ... 
      Salazar, Andrés A.; Arellano, Eduardo C.; Muñoz Sáez, Andrés Sebastián; Miranda, Marcelo D.; Oliveira da Silva, Fabiana; Zielonka, Natalia B.; Crowther, Liam P.; Silva Ferreira, Vinina; Oliveira Reboucas, Patricia; Dicks, Lynn V. (MDPI, 2021)
      Land-use and land-cover (LULC) changes are major drivers of biodiversity loss in semi-arid regions, such as the Caatinga biome located in the Northeast of Brazil. We investigated landscape dynamics and fragmentation in ...
    • Relationship between everyday discrimination and substance use among adolescents in Northern Chile 
      Caqueo Urízar, Alejandra Andrea; Urzúa, Alfonso; Mena Chamorro, Patricio; Flores, Jerome; Irarrázaval Domínguez, Matías; Graniffo, Ellen; Williams, David R. (MDPI, 2021)
      Substance use is a public health problem that affects the normal physical, neurological, and psychological development of adolescents. Apparently, discrimination is an important variable for explaining the initiation and ...
    • Protective effect of red algae (Rhodophyta) extracts on essential dietary components of heat-treated salmon 
      Ortiz Viedma, Jaime Alejandro; Aguilera, José M.; Flores, Marcos; Lemus Mondaca, Roberto Alejandro; Larrazabal Fuentes, María José; Miranda, José M.; Aubourg Martin, Santiago Pedro (MDPI, 2021)
      Salmon paste contains nutritious components such as essential fatty acids (EPA, DHA), vitamin E and astaxanthin, which can be protected with the addition of red algae extracts. Phenolic extracts were prepared with an ...
    • Reconciling livestock production and wild herbivore conservation: challenges and opportun 
      Pozo, R. A.; Cusack, J. J.; Acebes, P.; Malo, J. E.; Traba, J.; Iranzo, E. C.; Morris Trainor, Z.; Minderman, J.; Bunnefeld, N.; Radic Schlling, Sergio Javier; Moraga, C. A.; Arriagada, R.; Corti, P. (Elsevier, 2021)
      Increasing food security and preventing further loss of biodiversity are two of humanity’s most pressing challenges. Yet, efforts to address these challenges often lead to situations of conflict between the interests of ...
    • Correction to: Study protocol and rationale of the “Cogniaction project” a crosssectional and randomized ... 
      Solís Urra, Patricio; Olivares Arancibia, Jorge; Suárez Cadenas, Ernesto; Sánchez Martínez, Javier; Rodríguez Rodríguez, Fernando; Ortega, Francisco B.; Esteban Cornejo, Irene; Cadenas Sánchez, Cristina; Castro Piñero, José; Veloz, Alejandro; Chabert, Steren; Sadarangani, Kabir P.; Zavala Crichton, Juan Pablo; Migueles, Jairo H.; Mora González, José; Quiroz Escobar, Milton Renán; Almonte Espinoza, Diego; Urzúa, Alfonso; Dragicevic Rebolledo, Constantino Danilo; Astudillo, Aland; Méndez Gassibe, Eduardo; Riquelme Uribe, Daniel Alejandro; Jarpa Azagra, Marcela; Cristi Montero, Carlos (BMC, 2021)
    • Numerical modeling of threadbar under dynamic loading 
      Marulanda Cardona, Lina Yesenia (Universidad de Chile, 2021)
      The prevention or mitigation of the effects of rockburst in rock masses subjected to high levels of stress, is one of the most challenging problems for the field of study of rock mechanics. Although the use of bolts is a ...
    • Soils in ancient irrigated agricultural terraces in the Atacama desert, Chile 
      Sandor, Jonathan A.; Huckleberry, Gary; Hayashida, Frances M.; Parcero Oubiña, César; Salazar, Diego; Troncoso, Andrés; Ferro-Vázquez, Cruz (Wiley, 2021)
      The Atacama Desert is among the driest places on Earth, yet ancient agricultural systems are present in the region. Here, we present a study of terraced agricultural soils in the high‐altitude eastern margin of the Atacama ...
    • Sleep duration, physical activity, and caloric intake are related to weight status in Mexican American ... 
      Martínez, S. M.; Blanco, E.; Tschann, J. M.; Butte, N. F.; Grandner, M. A.; Pasch, L. A. (BMC, 2021)
      Background: Obesity is a serious issue, spanning all ages, and, in the U.S., disproportionately affects Latinos and African Americans. Understanding sleep, physical activity and dietary behaviors that may predict childhood ...
    • Size and structures of disks around very low mass stars in the taurus star-forming region 
      Kurtovic, N. T.; Pinilla, P.; Long, F.; Benisty, Myriam; Manara, C. F.; Natta, A.; Pascucci, I.; Ricci, L.; Scholz, A.; Testi, L. (EDP Sciences, 2021)
      Context. The discovery of giant planets orbiting very low mass stars (VLMS) and the recent observed substructures in disks around VLMS is challenging planet formation models. Specifically, radial drift of dust particles ...
    • Asymptotic description of dynamics in plasma and water-waves type models 
      Martínez Martini, María Eugenia (Universidad de Chile, 2021)
      Esta tesis está dedicada al estudio de la dinámica asintótica en varios modelos de fluidos de interés clave. Estos están por un lado relacionados con la ecuación clásica de Schr\"odinger y por otro lado pueden derivarse ...