Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 32721-32740 of 98886

    • High intensity interval training in teenagers Efectividad de ejercicio físico intervalado de alta intensidad ... 
      Javiera Abarzúa, V.; Williams Viloff, C.; Javiera Bahamondes, V.; Yeritza Olivera, P.; Poblete-Aro, Carlos; Herrera-Valenzuela, Tomás; Oliva, Carolina; García-Díaz, Diego F. (Sociedad Medica de Santiago, 2019)
      This review analyzes the effects of high intensity interval training (HIIT) on muscle and cardiovascular fitness and body composition in teenagers. A search was carried out in international databases, finding 145 papers ...
    • Deep-learning-based physical layer authentication for industrial wireless sensor networks 
      Liao, Run Fa; Wen, Hong; Wu, Jinsong; Pan, Fei; Xu, Aidong; Jiang, Yixin; Xie, Feiyi; Cao, Minggui (MDPI AG, 2019)
      In this paper, a deep learning (DL)-based physical (PHY) layer authentication framework is proposed to enhance the security of industrial wireless sensor networks (IWSNs). Three algorithms, the deep neural network (DNN)-based ...
    • Converse theorems in Lyapunov's second method and applications for fractional order systems 
      Gallegos, Javier A.; Duarte-Mermoud, Manuel A. (TUBITAK, 2019)
      We establish a characterization of the Lyapunov and Mittag-Leffler stability through (fractional) Lyapunov functions, by proving converse theorems for Caputo fractional order systems. A hierarchy for the Mittag-Leffler ...
    • Frictional properties of surface textures fabricated on hardened steel by elliptical vibration diamond cutting 
      Zhang, Jianguo; Zhang, Junjie; Rosenkranz, Andreas; Suzuki, Norikazu; Shamoto, Eiji (Elsevier Inc., 2019)
      Surface texturing is a promising approach to tailor friction and wear between rubbing surfaces in mechanical components. In this study, surface textures with different geometries and shapes were fabricated on hardened steel ...
    • Fluid restriction decreases solid food consumption post-exercise 
      Pérez-Luco, Cristian; Díaz-Castro, Francisco; Jorquera, Carlos; Troncoso, Rodrigo; Zbinden-Foncea, Hermann; Johannsen, Neil M.; Castro-Sepulveda, Mauricio (MDPI AG, 2019)
      Dehydration in rodents induces anorexia. In humans however, the role of dehydration in energy intake is controversial. This study investigated the effect of extreme fluid restriction on acute energy intake during and after ...
    • EEG Classification during Scene Free-Viewing for Schizophrenia Detection 
      Devia, Christ; Mayol Troncoso, Rocío; Parrini, Javiera; Orellana, Gricel; Ruiz, Aida; Maldonado Arbogast, Pedro; Egana, Jose Ignacio (Institute of Electrical and Electronics Engineers Inc., 2019)
      Currently, the diagnosis of schizophrenia is made solely based on interviews and behavioral observations by a trained psychiatrist. Technologies such as electroencephalography (EEG) are used for differential diagnosis and ...
    • Dexamethasone turns tumor antigen-presenting cells into tolerogenic dendritic cells with T cell inhibitory ... 
      Falcón Beas, Cristián; Tittarelli, Andrés; Mora-Bau, Gabriela; Tempio, Fabián; Pérez Núñez, Claudio; Hevia, Daniel; Behrens, Carolina; Flores, Iván; Falcón-Beas, Felipe; Garrido, Paola; Ascui, Gabriel; Pereda, Cristián; González, Fermín E.; Salazar Onfray, Flavio; López, Mer (Elsevier GmbH, 2019)
      Background: Dendritic cells (DCs) are usually immunogenic, but they are also capable of inducing tolerance under anti-inflammatory conditions. Immunotherapy based on autologous DCs loaded with an allogeneic melanoma cell ...
    • Dendritic cells are crucial for cardiovascular remodeling and modulate neutrophil gelatinase-associated ... 
      Araos, Patricio; Prado, Carolina; Lozano, Mauricio; Figueroa, Stefanny; Espinoza, Alexandra; Berger, Thorsten; Mak, Tak W.; Jaisser, Frédéric; Pacheco, Rodrigo; Michea Acevedo, Luis; Amador, Cristián A. (Lippincott Williams and Wilkins, 2019)
      Background:Adaptive immunity is crucial in cardiovascular and renal inflammation/fibrosis upon hyperactivation of mineralocorticoid receptor. We have previously demonstrated that dendritic cells can respond to mineralocorticoid ...
    • Long-term (15-year) objective evaluation of 150 patients after laparoscopic Nissen fundoplication 
      Csendes Juhasz, Attila; Orellana, Omar; Cuneo, Nicole; Martínez, Gustavo; Figueroa, Manuel (Mosby Inc., 2019)
      Introduction: Laparoscopic Nissen fundoplication is the preferred operative treatment for patients with gastroesophageal reflux disease. The most recent published results only refer to clinical evaluations and few discuss ...
    • Stroke in Patients With Peripheral Artery Disease 
      Kolls, Brad J.; Sapp, Shelly; Rockhold, Frank W.; Jordan, J. Dedrick; Dombrowski, Keith E.; Fowkes, F. Gerry R.; Mahaffey, Kenneth W.; Berger, Jeffrey S.; Katona, Brian G.; Blomster, Juuso I.; Norgren, Lars; Abramson, Beth L.; Leiva-Pons, Jose L.; Prieto, Juan Carlos; (NLM (Medline), 2019)
      Background and Purpose- Predictors of stroke and transient ischemic attack (TIA) in patients with peripheral artery disease (PAD) are poorly understood. The primary aims of this analysis were to (1) determine the incidence ...
    • Analysis of the Trends in Observed Extreme Temperatures in Mainland Chile Between 1966 and 2015 Using ... 
      Meseguer-Ruiz, Oliver; Corvacho, Oscar; Tapia Tosetti, Alejandro; López-Cepeda, José F.; Sarricolea, Pablo (Birkhauser Verlag AG, 2019)
      Air temperature records provide strong evidence of change and variability in the climate system. The sensitivity of temperature to changes throughout the year renders it an ideal object of study when seeking to identify ...
    • On-sky Performance of the CLASS Q-band Telescope 
      Appel, John W.; Xu, Zhilei; Padilla, Ivan L.; Harrington, Kathleen; Marquez, Bastián Pradenas; Ali, Aamir; Bennett, Charles L.; Brewer, Michael K.; Bustos, Ricardo; Chan, Manwei; Chuss, David T.; Cleary, Joseph; Couto, Jullianna; Dahal, Sumit; Denis, Kevin; Dünner, Rola (Institute of Physics Publishing, 2019)
      The Cosmology Large Angular Scale Surveyor (CLASS) is mapping the polarization of the cosmic microwave background (CMB) at large angular scales (2 < ℓ ≲ 200) in search of a primordial gravitational wave B-mode signal ...
    • Depositional age and provenance in the San Luis Formation, Sierras Pampeanas, Argentina: Evidence from ... 
      Perón Orrillo, Juan M.; Ortiz Suárez, Ariel; Rivarola, David; Otamendi, Juan E.; Morosini, Augusto; Romero, Rurik; Leisen, Mathieu; Barra, Fernando (Elsevier Ltd, 2019)
      The San Luis Formation is one of the lithostratigraphic units constituting the early Paleozoic crystalline basement of the Sierras de San Luis, which are part of the Sierras Pampeanas of central Argentina. The low-grade ...
    • Cysteine auxotrophy drives reduced susceptibility to quinolones and paraquat by inducing the expression of ... 
      Villagra, Nicolás A.; Valenzuela, L. Matías; Mora, Aracely Y.; Millanao, Ana R.; Saavedra, Claudia P.; Mora, Guido C.; Hidalgo, Alejandro A. (Elsevier B.V., 2019)
      Currently, Salmonella enterica serovar Typhimurium (S. Typhimurium), is a major global public health problem, which has caused food-borne illnesses in many countries. Today, with the extensive use of antimicrobials, ...
    • Spatially Resolved Outflows in a Seyfert Galaxy at z =2.39 
      Fischer, Travis C.; Rigby, J. R.; Mahler, G.; Gladders, M.; Sharon, K.; Florian, M.; Kraemer, S.; Bayliss, M.; Dahle, H.; Barrientos, L. Felipe; Lopez, S.; Tejos, N.; Johnson, T.; Wuyts, E. (Institute of Physics Publishing, 2019)
      We present the first spatially resolved analysis of rest-frame optical and UV imaging and spectroscopy for a lensed galaxy at z =2.39 hosting a Seyfert active galactic nucleus (AGN). Proximity to a natural guide star has ...
    • Estimating vocal fold contact pressure from raw laryngeal high-speed videoendoscopy using a Hertz contact model 
      Díaz-Cádiz, Manuel E.; Peterson, Sean D.; Galindo, Gabriel E.; Espinoza, Víctor M.; Motie-Shirazi, Mohsen; Erath, Byron D.; Zañartu, Matías (MDPI AG, 2019)
      The development of trauma-induced lesions of the vocal folds (VFs) has been linked to a high collision pressure on the VF surface. However, there are no direct methods for the clinical assessment of VF collision, thus ...
    • β-catenin aggregation in models of ALS motor neurons: GSK3β inhibition effect and neuronal differentiation 
      Pinto, Cristina; Medinas, Danilo B.; Fuentes Villalobos, Francisco; Maripillán, Jaime; Castro, Ariel F.; Martínez, Agustín D.; Osses, Nelson; Hetz Flores, Claudio; Henríquez, Juan P. (Academic Press Inc., 2019)
      Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by motor neuron death. A 20% of familial ALS cases are associated with mutations in the gene coding for superoxide dismutase 1 (SOD1). The ...
    • Calcium-dependent inactivation controls cardiac L-type Ca2+ currents under β-adrenergic stimulation 
      Morales, Danna; Hermosilla, Tamara; Varela, Diego (NLM (Medline), 2019)
      The activity of L-type calcium channels is associated with the duration of the plateau phase of the cardiac action potential (AP) and it is controlled by voltage- and calcium-dependent inactivation (VDI and CDI, respectively). ...
    • Identification and functional analysis of missense mutations in the lecithin cholesterol acyltransferase ... 
      Tobar, Hugo E.; Cataldo, Luis R.; González, Trinidad; Rodríguez, Ricardo; Serrano, Valentina; Arteaga, Antonio; Álvarez-Mercado, Ana; Lagos, Carlos F.; Vicuña, Lucas; Miranda, José P.; Pereira, Ana; Bravo, Carolina; Aguilera, Concepción M.; Eyheramendy, Susana; Uauy Dagach-Imbarack, Ricardo (BioMed Central Ltd., 2019)
      Background: Lecithin-cholesterol acyltransferase (LCAT) is a plasma enzyme that esterifies cholesterol in high- and low-density lipoproteins (HDL and LDL). Mutations in LCAT gene causes familial LCAT deficiency, which is ...
    • ABA and its signaling pathway are involved in the cold acclimation and deacclimation of grapevine buds 
      Rubio, Sebastián; Pérez, Francisco J. (Elsevier B.V., 2019)
      The grapevine (Vitis vinifera L.) buds as well as the buds of other deciduous fruit trees acclimate and deacclimate to the cold during the autumn-winter season. Cold acclimation (CA) is characterized by an increase in bud ...