Publicaciones académicas

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Esta colección incluye artículos de profesores de la Pontificia Universidad Católica de Chile, publicados en revistas nacionales y extranjeras.

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Now showing 1 - 20 of 60483

1, 2, 3, 4, 5 . . . 43: Justice! Ay! Ay! Ayotzinapa: A Challenge for New Critical Qualitative Inquiry
(2016) Cisneros Puebla, Cesar A.; Alatorre, Francisco; Allen, Mitchell; Benard, Silvia; Castaneda, Dolores; Castaneda, Yvette; Charmaz, Kathy; Davidson, Judy; de la Garza, Sarah Amira; Espinoza, Adriana; Faulkner, Sandra L.; Ferreyra, Gabriel; Gilgun, Jane; Gutierrez, Luis Felipe Gonzalez; Hein, Serge F.; Hernandez, Doris; Biber, Sharlene Hesse; Labarthe, Vanessa Jara; Johnson, John M.; Keller, Reiner; Lather, Patti; Long, Tanya A.; Pourreau, Leslie; Rawlins, William K.; Rinehart, Robert E.; Donoso, Gabriela Rubilar; Ryen, Anne; Orozco, Miguel Angel Soto; Tamas, Sophie; Tilley-Lubbs, Gresilda A.
1,1′:4′,1′′-Terphenyl-2′,5′-dicarb-oxy- lic acid dimethyl sulfoxide-d6 disolvate
(2012) Pop, L.C.; Preite, Marcelo Daniel; Manríquez M., Juan Manuel; Vega, A.; Chávez Madariaga, Ivonne
1,2,3,4,5-PENTAMETHYLCYCLOPENTADIENE
(1982) Manríquez M., Juan Manuel; Fagan, Paul J.; Schertz, Larry D.; Marks, Tobin J.; Bercaw, John; Mcgrady, Nancy
1,2-Aminosulfonylation of Alkenes via Photoexcited Cu(I)- Sub-strate Complex: A Three-Component Coupling Approach
(2025) Das, Prithwa; Henriquéz Toro, Marco Antonio; Verdugo Leiva, Camilo Andrés; Alán Raúl, Cabrera Caballero; Reiser, Oliver
1,4-Dihydropyridines: Reactivity of nitrosoaryl and nitroaryl derivatives with alkylperoxyl radicals and ABTS radical cation
(2004) Valenzuela, V.; Santander, P.; Camargo, C.; Squella, J.A.; López Alarcón, Camilo Ignacio; Nuñez Vergara, L.J.
1-[1-(4-Chlorobenzenesulfonyl)-1H-indole-3-yl]-3[4-(pyridin-2-yl)piperazin-1-yl]propan-1-one
(2018) Diethelm Varela, Benjamín Manuel; Almendras Riesco, Sebastián Ignacio; Recabarren Gajardo, Gonzalo
1-benzoyl-2-(2-nitrophenyl)-1H-benzimidazole derivatives: A novel approach to the development of new HIV-1 reverse transcriptase inhibitors
(2007) Vásquez Velásquez, David; Lagos Arévalo, Carlos Fernando; Mella Raipán, Jaime Alberto; González Contreras, Luis Gerardo; Ebensperger González, Roberto Alejandro; Alvarez Figueroa, María Javiera; Sáez Moya, Edmundo Alfredo; Pessoa Mahana, Hernán; Araya Secchi, Raul; Gonzalez Wong, Angel; Perez-Acle, Tomas; Pessoa Mahana, Carlos David
1-D memristor-based cellular automaton for pseudo-random number generation
(IEEE, 2017) Karamani, Rafailia Eleni; Ntinas, Vasileios; Vourkas, Ioannis; Sirakoulis, Georgios C.
Cellular Automata (CAs) is a well-known parallel, bio-inspired, computational model. It is based on the capability of simpler, locally interacting units, i.e. the CAs cells, to evolve in time, giving rise to emergent computation, suitable to model physical system behavior, prediction of natural phenomena and multi-dimensional problem solutions. Moreover, at the same time CAs constitute a promising computing platform, beyond the von Neumann architecture. In this paper, a memristor device is considered to be the basic module of a CA cell circuit implementation, performing as a combined memory and processing element to implement CA-based circuits, able to model sufficiently systems and applications as mentioned above, targeting tentatively to a more energy efficient design compared to the conventional electronics. In particular and as a proof of concept, the results of elementary CAs modeling and simulation for the generation of pseudo-random numbers are presented using a 1-D memristor-based CAs array to illustrate the robustness and the efficacy of the proposed computing approach.
1-THz bandwidth of 70-krad/s endless optical polarization control
(2014) Koch, Benjamin; Noe, Reinhold; Mirvoda, Vitali; Sandel, David
10 años Calidad de Vida Urbana
(Cámara Chilena de la Construcción, 2021) Truffello Robledo, Ricardo; Flores, Mónica; Altamirano, Héctor; Orellana Ossandón, Arturo
10 Things You Should Not Forget When Adapting a Test Into Spanish. A Practical Decalogue
(2024) Rosas Díaz, Ricardo; Pizarro Miqueles, Marcelo; Espinoza Velasco, María Victoria
Adapting a test from one language to another is no easy task. The literal translation of the items is certainly not enough since the meanings and references change from one language to another. In the case of Spanish adaptations, the problem becomes even more complex, as there are many varieties of Spanish, almost as many as Spanish-speaking countries. This article presents 10 tips for adapting tests to Spanish regarding the morphological, syntactic, and pragmatic elements that should be considered when adapting an instrument to Spanish. These tips are based on experience with the adaptation of various instruments, such as the Wechsler Intelligence Scales (WISC-III, WAIS-IV, and WISC-V) and the Big Five from English, and the ELFE scale, MARKO-D, and the Berlin Intelligence Test from German.
10 Years of Digital Journalism (Studies): The Past, the Present, the Future
(ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2023) Westlund, Oscar; Hess, Kristy; Saldana, Magdalena; Tandoc, Edson C.
The Digital Journalism editorial team is thrilled to introduce this 10th anniversary special issue. At the beginning of 2022, we invited our international editorial board to contribute to this important collection, which aims to explore the diverse and multi-disciplinary nature of digital journalism studies. We called for contributions that consider the "big picture" of the field and look at the past and the present of digital journalism studies. We also invited articles focusing on digital journalism studies for the future, considering trends, concepts, theories, methodologies, and key issues that will shape research in the decades ahead. This special issue features six articles, advancing systematic empirical assessments of developments in the field, as well as critical discussions around the developments and politics of digital journalism studies.
10-MV SBRT FFF irradiation technique is associated to the lowest peripheral dose: the outcome of 142 treatment plans for the 10 most common tumour locations
(2019) Irazola, Leticia; Sánchez Nieto, Beatriz; García Hernández, M. T.; Terrón, J. A.; Roselló, J.; Ortiz-Seidel, M.; Béjar, M. J.; Linares, Rafael; Velázquez, Santiago; Sánchez Doblado, Francisco
10-year experience in patients operated for acute invasive fungal rhinosinusitis
(2020) Lagos, A.; Ferrada, S.; Muñoz, T.; Maul Fonseca, Ximena; Finkelstein, A.; González, C.; Fonseca Arrieta, María Ximena; Callejas Canepa, Claudio Andrés
100 covers, 100 possibilities
(2018) Valenzuela M, Carolina
100% Efficient three-dimensional coronary MR angiography with two-dimensional beat-to-beat translational and bin-to-bin affine motion correction
(2015) Aitken, A.; Henningsson, M.; Botnar, René Michael; Schaeffter, T.; Prieto Vásquez, Claudia
1000 years of population, warfare, and climate change in pre-Columbian societies of the Central Andes
(2023) Lima, Mauricio; Gayo, Eugenia M.; Gurruchaga, Andone; Estay, Sergio A.; Santoro, Calogero M.
Different Andean societies underwent processes of expansion and collapse during propitious or adverse climate conditions, resource boost or depletion along with population variations. Previous studies have emphasized that demographic collapses of polities in the Central Andes Area were triggered by warfare and the negative impacts of fluctuating climate (droughts) on crop productivity. Nevertheless, the interactions between climatic variability, demography and warfare have been less thoroughly evaluated. We develop population dynamic models to test feedback relationships between population growth, climate change and warfare in the Central Andes, where considerable regional hydroclimate variations have occurred over a millennium. Through population models, we found out that the rise and demise of social polities in the northern coast of the Central Andes appear to be a consequence of climate change. In contrast, for the highlands of Peru and the Titicaca basin, population models suggest that warfare intensity has a negative effect on population growth rates.
100krad/s endless polarisation tracking with miniaturised module card
(2011) Koch, Benjamin; Noé, R.; Mirvoda, V.; Sandel, D.
10Be chronology of the Last Glacial Maximum and Termination in the Andes of central Chile: The record of the Universidad Glacier (34° S)
(Elsevier Ltd., 2024) Fernández Navarro, Hans Andrés; García B., Juan Luis; Nussbaumer, Samuel U.; Tikhomirov, Dmitry; Pérez Mora, Francia Débora; Gartner Roer, Isabelle; Christl, Marcus; Egli, Markus
Reconstructing mid-latitude glacier variations is a prerequisite for unveiling the interhemispheric climate linkages and atmospheric-ocean forcings that triggered those changes during the last glacial cycle. Nonetheless, the timing, magnitude, and structure of glacier fluctuations in the southern mid-latitudes remain incomplete. Here, we present a new Be-10 chronology of the Universidad Glacier in the Andes of central Chile (34 degrees S, 70 degrees W; similar to 2500 m a.s.l.) based on 21 cosmogenic-exposure ages of boulders on discrete moraine ridges defining former ice margins. Our findings include the mapping and dating of three moraines, UNI I, UNI II, and UNI III, located similar to 20 km, 15 km, and 10 km down-valley from the present-day glacier front, respectively. The Be-10 exposure ages of the UNI I moraine range from 135.9 +/- 7.1 to 51.4 +/- 2.7 ka (n = 3). The UNI II moraine gave a mean age of 18.0 +/- 0.9 (n = 15) and the UNI III moraine yielded a mean age of 13.9 +/- 0.8 ka (n = 3). The UNI I moraine implies the largest ice extent during a pre-Last Glacial Maximum (pre-LGM) period, including the penultimate glaciation. The UNI II is a moraine complex that represents cold and humid conditions in central Chile at the end of the LGM, which we attribute to the northward-shift of the Southern Westerly Winds (SWW). The UNI III moraine represents a return to glacial conditions interrupting the Termination, evidencing both a double-step deglacial trend observed through the southern middle and high latitudes at the end of the last ice age. The Andes at this subtropical latitude record a global signal of glacial and climate change.
11 beta-Hydroxysteroid Dehydrogenase Type 1 is Overexpressed in Subcutaneous Adipose Tissue of Morbidly Obese Patients
(SPRINGER, 2009) Munoz, Rodrigo; Carvajal, Cristian; Escalona, Alex; Boza, Camilo; Perez, Gustavo; Ibanez, Luis; Fardella, Carlos
11 beta-Hydroxysteroid dehydrogenase type 1 (11 beta-HSD1) enzyme catalyzes interconversion of inactive cortisone to active cortisol. Its expression in adipose tissue has been associated with obesity and some of its metabolic disorders. Controversies regarding which fat depots [subcutaneous adipose tissue (SAT) or visceral adipose tissue (VAT)] have higher expression still remain. The aim of this work was to evaluate 11 beta-HSD1 expression in SAT and VAT of obese patients and evaluate its association to metabolic features of metabolic syndrome.

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