Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 17941-17960 of 98263

    • Aseguramiento de la calidad de chocolate mediante estandarización del proceso de atemperado con pruebas ... 
      Rivas Izam, Josefa Dalal (Universidad de Chile, 2018)
      Se han aplicado distintas estrategias para evitar el fenómeno de eflorescencia de la grasa que afecta la calidad del chocolate. El proceso de atemperado es una técnica de pre-cristalización controlada empleada para inducir ...
    • The role of culture and contextual risk for maternal parenting and children’s behavior regulation in Chile ... 
      Deffaa, Mirjam; Weis, Mirjam; Muñoz Muñoz, Lorena; Trommsdorff, Gisela (Springer, 2022)
      Children's behavior regulation development takes place in diverse sociocultural settings. In this study, we take a multilayer ecological perspective and examine cross-cultural as well as intra-cultural similarities and ...
    • Contrasting patterns of genetic diversity and divergence between landlocked and migratory populations of ... 
      Astorga, Marcela P.; Valenzuela, Andrea; Segovia, Nicolás I.; Poulin, Elie Albert; Vargas Chacoff, Luis; González Wevar, Claudio A. (Frontiers Media, 2022)
      Galaxias species are interesting biogeographic models due to their distribution and different types of life cycles, with migratory and landlocked populations. To obtain a better understanding of the genetic consequences ...
    • Experiences of midwives and nurses when implementing abortion policies: a systematic integrative review 
      Carvajal Gutiérrez, Bielka Victoria; White, Helen; Brooks, Jane; Thomson, Ann M.; Cooke, Alison (Elsevier, 2022)
      Introduction: Policy implementation can be affected by what individuals believe to be right and wrong. When implementing abortion policies, providers' moral beliefs can be relevant in the success of the implementation ...
    • Dynamic susceptibility of a Bloch point singularity confined in a magnetic nanowire 
      Sáez Toro, Guidobeth Luis Nicolás; Saavedra, Eduardo; Vidal Silva, Nicolás; Escrig, Juan; Vogel, Eugenio E. (Elsevier, 2022)
      In this work, we have explored the dynamic properties of a Bloch Point singularity confined in a diameter modulated magnetic nanowire. By means of micromagnetic simulations, we have characterized the system when varying ...
    • Critical shoulder angle and failure of conservative treatment in patients with atraumatic full thickness ... 
      Meissner Haecker, Arturo; Contreras Fernández, Julio José; Valenzuela, Alfonso; Delgado, Byron; Taglioni, Angelinni; De Marinis, Rodrigo; Calvo, Claudio; Soza, Francisco; Liendo, Rodrigo (BMC, 2022)
      Background: Atraumatic full thickness rotator cuff tears (AFTRCT) are common lesions whose incidence increases with age. Physical therapy is an effective conservative treatment in these patients with a reported success ...
    • Fall seven times, stand up eight: linking project management innovation, project governance, and high-performance ... 
      Zaman, Umer; Khan, Mohammad Nasar; Raza, Syed Hassan; Farías Nazel, Claudio Esteban (Frontiers Media, 2022)
      Project managers seem to be puzzled in resolving the global dilemma of project failures across industries. Hence, the present study introduces project management innovation (PMI) as a determinant of project success (PS) ...
    • Proteogenomic analysis in an early onset diffuse gastric cancer patient revealed alterations in PIK3R1, ... 
      Córdova Delgado, Miguel Angel; Pinto, Mauricio P.; Pizarro, Gonzalo; Koch, Elard; Vargas, Cristian; Hernández, Mauricio; Nourdin, Guillermo; Saldivia, Pablo; Rodríguez Z., María Paz; Berkovits, Alejandro; Manque, Patricio; Rios, Juvenal A.; Garcia-Bloj, Benjamín; Garrido, Marcelo (AME Publishing Company, 2022)
      Background: Early-onset gastric cancers (EOGC) are poor prognosis hard-to treat malignancies that affect young individuals (<45 years old). Case Description: Herein we describe the case of a 26-year-old female EOGC patient ...
    • Probing the mechanical properties of porous nanoshells by nanoindentation 
      Valencia, Felipe J.; Aurora, Viviana; Rámirez González, Max Alberto; Ruestes, Carlos J.; Prada, Alejandro; Varas Barboza, Alejandro Javier; Rogan Castillo, José Antonio (MDPI, 2022)
      In this contribution, we present a study of the mechanical properties of porous nanoshells measured with a nanoindentation technique. Porous nanoshells with hollow designs can present attractive mechanical properties, as ...
    • Two sides of the same desert: floristic connectivity and isolation along the hyperarid coast and precordillera ... 
      Ruhm, Jonathan; Böhnert, Tim; Mutke, Jens; Luebert Bruron, Federico José; Montesinos Tubée, Daniel B.; Weigend, Maximilian (Frontiers Media, 2022)
      In this study we aim at refining our understanding of the floristic connectivity of the loma- and precordillera floras of southern Peru and northern Chile and the parameters determining vegetation cover in this region. We ...
    • UHPLC-MS metabolomic fingerprinting, antioxidant, and enzyme inhibition activities of himantormia lugubris ... 
      Areche Medina, Carlos Alberto; Romero Parra, Javier Hernán; Sepúlveda, Beatriz; García Beltrán, Olimpo; Simirgiotis, Mario J. (MDPI, 2022)
      Himantormia lugubris is a Chilean native small lichen shrub growing in the Antarctica region. In this study, the metabolite fingerprinting and the antioxidant and enzyme inhibitory potential from this species and its four ...
    • Cardioprotective antioxidant and anti-inflammatory mechanisms induced by intermittent hypobaric hypoxia 
      González Candia, Alejandro; Candia Henríquez, Alejandro Andrés; Paz, Adolfo; Mobarec Lubies, Fuad Cristóbal Rachid; Urbina Varela, Rodrigo; Campo, Andrea del; Herrera Videla, Emilio Augusto; Castillo Peñaloza, Rodrigo Luis (MDPI, 2022)
      More than 80 million people live and work (in a chronic or intermittent form) above 2500 masl, and 35 million live in the Andean Mountains. Furthermore, in Chile, it is estimated that 100,000 people work in high-altitude ...
    • Soluble free, esterified and insoluble-bound phenolic antioxidants from chickpeas prevent cytotoxicity in ... 
      Costa de Camargo, Adriano; Álvarez Larraín, Alina Concepción; Arias Santé, María Fernanda; Oyarzún, Juan Estebán; Andia, Marcelo E.; Uribe, Sergio; Núñez Pizarro, Paula; Bustos, Simón M.; Schwember, Andrés R.; Shahidi, Fereidoon; Bridi, Raquel (MDPI, 2022)
      Chickpeas are rich sources of bioactive compounds such as phenolic acids, flavonoids, and isoflavonoids. However, the contribution of insoluble-bound phenolics to their antioxidant properties remains unclear. Four varieties ...
    • Mitochondrial dysfunction and the glycolytic switch induced by caveolin-1 phosphorylation promote cancer ... 
      Díaz Valdivia, Natalia; Simón, Layla; Díaz, Jorge; Martínez Meza, Samuel; López Contreras, Pamela; Burgos Ravanal, Renato; Pérez, Viviana; Frei, Balz; Leyton Campos, Lisette; Quest, Andrew Frederick Geoffery (MDPI, 2022)
      Simple Summary Caveolin-1 (CAV1) is a membrane protein that has been attributed a dual role in cancer, acting at early stages as a tumor suppressor and in later stages of the disease as a promoter of metastasis. In the ...
    • Caracterización y regulación hormonal de las alfa-amilasas de Araucaria araucana (MOL)KOCH. 
      Acevedo Jones, Elba (Universidad de Chile, 1991)
      Las semillas de Araucaria araucana contienen almidón (61% de su peso seco) cuyo desdoblamiento y slntesis de sacarosa mantiene el crecimiento y desarrollo de la plántula hasta que ésta puede establecerse como planta ...
    • ATOMS: ALMA Three-millimeter Observations of Massive Star-forming Regions - X. Chemical differentiation ... 
      Peng, Yaping; Liu, Tie; Qin, Sheng-Li; Baug, Tapas; Liu, Hong-Li; Wang, Ke; Garay Brignardello, Guido Alejandro; Zhang, Chao; Chen, Long-Fei; Lee, Chang Won; Juvela, Mika; Li, Dalei; Tatematsu, Ken'ichi; Liu, Xun-Chuan; Lee, Jeong-Eun; Luo, Gan; Dewangan, Lokesh; Wu, Yue-Fang; Zhang, Li; Bronfman Aguilo, Leonardo Jaime; Ge, Jixing; Tang, Mengyao; Zhang, Yong; Xu, Feng-Wei; Wang, Yao; Zhou, Bing (Oxford, 2022)
      Investigating the physical and chemical structures of massive star-forming regions is critical for understanding the formation and the early evolution of massive stars. We performed a detailed line survey toward six dense ...
    • Detección de anticuerpos séricos contra avian avulavirus 17 y 18 en poblaciones de pingüinos de las Islas ... 
      Muñoz Sepúlveda, Vanina Verónica (Universidad de Chile, 2021)
      RESUMEN Las especies Avian avulavirus 17 y 18 (AVv17 y AVv18, respectivamente) son dos virus que se descubrieron y aislaron desde pingüinos Papúa en la Isla Kopaitic, Antártica el año 2017. Estos virus, pertenecen al ...
    • Type II supernovae from the Carnegie Supernova Project-I II. Physical parameter distributions from ... 
      Martínez, L.; Bersten, M. C.; Anderson, J. P.; Hamuy, M.; González Gaitán, S.; Forster Burón, Francisco; Orellana, M.; Stritzinger, M.; Phillips, M. M.; Gutiérrez, C. P.; Burns, C.; Contreras, C.; De Jaeger, T.; Ertini, K.; Folatelli, G.; Galbany, L.; Hoeflich, P.; Hsiao, E. Y.; Morrell, N.; Pessi, P. J.; Suntzeff, N. B. (EDP, 2022)
      Linking supernovae to their progenitors is a powerful method for furthering our understanding of the physical origin of their observed differences while at the same time testing stellar evolution theory. In this second ...
    • La espacialización de los cuidados. Entretejiendo relaciones de cuidado a través de la movilidad 
      Jirón Martínez, Paola Andrea; Solar Ortega, Macarena Isabel; Rubio Rubio, Maria Daniela; Cortés Morales, Susana Rina; Cid Aguayo, Beatriz Eugenia; Carrasco Montagna, Juan Antonio (Universidad de Chile Instituto de la Vivienda - INVI, 2022)
      Matters of care has been a relevant issue for several decades in feminist studies, particularly in relation to the power relations that have been built from their feminization, and the consequences they have had in all ...
    • Estudio de la participación de los receptores octopaminérgicos y muscarínicos de lóbuloantenal, en el ... 
      Leyton Miranda, Vicente Andrés (Universidad de Chile, 2018)
      La capacidad de descifrar señales de olores es fundamental en la vida de los animales, ya que les permite interactuar entre sí y generar recuerdos de entornos beneficiosos o peligrosos para su sobrevivencia. La organización ...