Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 37941-37960 of 98742

    • Biological and chemical control in copper bioleaching processes: When inoculation would be of any benefit? 
      Vargas, T.; Davis-Belmar, C. S.; Cárcamo, C. (Elsevier, 2014)
      © 2014 Elsevier B.V. All rights reserved.Bioleaching of secondary and low-grade copper ores in heaps and dumps today is a well-established technology. However, there is still a strong need to improve the copper leaching ...
    • Neurological effects on cell phones: Literature review and mathematical models Efectos neurológicos por ... 
      López, Ernesto Ponce; Saldías, Daniel Ponce; Hernández, Max Andresen (Interciencia Association, 2014)
      The electromagnetic radiation emitted by mobile phones and base antennas can penetrate tissues of the human head, and can be absorbed and transformed into heat. Due to the increase of mobile telephony, there is interest ...
    • WHO collaborative study on alcohol education and Young people: Outcomes of a four-country pilot study 
      Perry, Cheryl L.; Grant, Marcus; Ernberg, Gunilla; Florenzano, Ramón; Langdon, M. Cecilia; Myeni, Annie D.; Waahlberg, Ragnar; Berg, Stein; Andersson, Karl; Fisher, K. John; Blaze-Temple, Debra; Cross, Donna; Saunders, Bill; Jacobs, David R.; Schmid, Thomas (Informa Healthcare, 1989)
      In 1985 the Division of Mental Health, World Health Organization, Geneva, convened a group of investigators from centers in four countries-Australia, Chile, Norway, Swaziland-to participate in a pilot study on the efficacy ...
    • Tiwanaku zoomorphic iconography as indicator of population displacements possibly linked to zoonotic ... 
      Halkyer, Nancy Orellana; Arriaza, Bernardo T.; Navarro, Dennis; Araujo, Adauto; Mendoza, Velia; Rothhammer Engel, Francisco (Interciencia Association, 2014)
      A total of 72 archaeological pieces of Tiwanaku iconography (ca. 1500-850 B.P.) were studied at the National Museum of Archaeology and the Regional Museum of Tiwanaku (La Paz, Bolivia), as well as at the archaeological ...
    • Effect of hydrogen peroxide on the biosynthesis of heme and proteins: Potential implications for the ... 
      Farah, Carolina; Levicán, Gloria; Ibba, Michael; Orellana, Omar (MDPI AG, 2014)
      © 2014 by the authors; licensee MDPI, Basel, Switzerland. Glutamyl-tRNA (Glu-tRNAGlu) is the common substrate for both protein translation and heme biosynthesis via the C5 pathway. Under normal conditions, an adequate ...
    • Trimetazidine prevents palmitate-induced mitochondrial fission and dysfunction in cultured cardiomyocytes 
      Kuzmicic Previtali, Jovan Paolo; Parra, Valentina; Verdejo, Hugo E.; López Crisosto, Camila; Chiong Lay, Mario; García Nannig, Lorena; Jensen, Michael D.; Bernlohr, David A.; Castro, Pablo F.; Lavandero González, Sergio (Elsevier Inc., 2014)
      © 2014 Elsevier Inc. All rights reserved. Metabolic and cardiovascular disease patients have increased plasma levels of lipids and, specifically, of palmitate, which can be toxic for several tissues. Trimetazidine (TMZ), ...
    • Obesity and its relation to depressive symptoms and sedentary lifestyle in middle-aged women 
      Blümel, Juan E.; Chedraui, Peter; Aedo Monsalve, Sócrates; Fica, Juan; Mezones Holguín, Edward; Barón, Germán; Bencosme, Ascanio; Benítez, Zully; Bravo, Luz M.; Calle, Andrés; Flores, Daniel; Espinoza, María T.; Gómez, Gustavo; Hernández-Bueno, José A.; Laribezcoa, Fiorella; Mar (Elsevier Ireland Ltd, 2015)
      © 2014 Elsevier Ireland Ltd. All rights reserved.Background The prevalence of obesity increases during female mid-life and although many factors have been identified, data from Latin America is lacking. Objective To assess ...
    • Validation of child behavior inventory for children ages 1 1/2 to 5 years (CBCL 1 1/2-5) at the Santiago ... 
      Lecannelier, Felipe; Ewert, J. Carola Pérez; Groissman, Stephanie; Gallardo, Daniela; Bardet, Ana María; Bascuñan, Andrea; Rodríguez, Jorge (Pontificia Universidad Javeriana, 2014)
      Prevalence studies in infant and preschool mental health have been scarce and insufficient. Considering the ample neurobiological, psychological, economical and social evidence that has demonstrated that intervening in ...
    • Can pharmacogenetics explain efficacy and safety of cisplatin pharmacotherapy? 
      Roco, ángela; Cayún, Juan; Contreras, Stephania; Stojanova, Jana; Quiñones, Luis (Frontiers Media S.A., 2014)
      © 2014 Roco, Cayún, Contreras, Stojanova and Quiñones.Several recent pharmacogenetic studies have investigated the variability in both outcome and toxicity in cisplatin-based therapies. These studies have focused on the ...
    • Functionally compromised CHD7 alleles in patients with isolated GnRH deficiency 
      Balasubramanian, Ravikumar; Choi, Jin Ho; Francescatto, Ludmila; Willer, Jason; Horton, Edward R.; Asimacopoulos, Eleni P.; Stankovic, Konstantina M.; Plummer, Lacey; Buck, Cassandra L.; Quinton, Richard; Nebesio, Todd D.; Mericq, Verónica; Merino, Paulina M.; Meyer, (National Academy of Sciences, 2014)
      © 2014, National Academy of Sciences. All rights reserved. Inactivating mutations in chromodomain helicase DNA binding protein 7 (CHD7) cause CHARGE syndrome, a severe multiorgan system disorder of which Isolated ...
    • A mechanism of male germ cell apoptosis induced by bisphenol-a and nonylphenol involving ADAM17 and p38 ... 
      Urriola-Muñoz, Paulina; Lagos Cabré, Raúl; Moreno, Ricardo D. (Public Library of Science, 2014)
      © 2014 Urriola-Muñoz et al.Germ cell apoptosis regulation is pivotal in order to maintain proper daily sperm production. Several reports have shown that endocrine disruptors such as Bisphenol-A (BPA) and Nonylphenol (NP) ...
    • Applications in the search for genomic selection signatures in fish 
      López, María E.; Riquelme Neira, Roberto; Yáñez López, José (Frontiers Media S.A., 2014)
      © 2014 Lopez_dinamarca, Neira and Yáñez. Selection signatures are genomic regions harboring DNA sequences functionally involved in the genetic variation of traits subject to selection. Selection signatures have been ...
    • Geographic variation in acoustic communication in anurans and its neuroethological implications 
      Velásquez, Nelson A. (Elsevier Masson SAS, 2014)
      © 2014 Elsevier Ltd.Geographic variation of traits may represent the first step for evolutionary divergence potentially leading to speciation. Signals are behavioral traits of particular interest for the study of variation ...
    • Alteraciones electrocardiográficas en hipotermia severa accidental. Caso clínico y revisión de la literatura 
      Muñoz Bonilla, Pilar; Rossel Mariángel, Víctor (Sociedad Medica de Santiago, 2014)
      We report a 77-year-old female patient who was admitted to the Emergency Department with impairment of consciousness, hypotension, bradycardia and hypothermia. She required endotracheal intubation and transfer to Intensive ...
    • Bleomycin-induced γH2AX foci map preferentially to replicating domains in CHO9 interphase nuclei 
      Liddle, Pablo; Lafon-Hughes, Laura; Di Tomaso, María Vittoria; Reyes-Ábalos, Ana Laura; Jara, Jorge; Cerda, Mauricio; Härtel, Steffen; Folle, Gustavo A. (Kluwer Academic Publishers, 2014)
      © 2014, Springer Science+Business Media Dordrecht.Exposure to DNA damaging agents triggers phosphorylation of histone variant H2AX (generating γH2AX) in large chromatin regions flanking DNA lesions, allowing their ...
    • Prevalence of congenital malformations at birth in chilean maternity hospitals Prevalencia al nacimiento ... 
      Julio, Nazer H.; Lucía, Cifuentes O. (Sociedad Medica de Santiago, 2014)
      © 2014, Sociedad Medica de Santiago. All rights reserved. Background: The Latin American Collaborative Study of Congenital Malformations (ECLAMC) is an epidemiological surveillance system operating in 11 South American ...
    • Hypnoanalgesia and the study of pain experience: From Cajal to modern neuroscience 
      Lanfranco, Renzo C.; Canales-Johnson, Andre´s; Huepe, David (Frontiers Research Foundation, 2014)
      Santiago Ramo´n y Cajal (1852-1934) did not only contribute to neurobiology and neurohistology. At the end of the 19th century, he published one of the first clinical reports on the employment of hypnotic suggestion to ...
    • Aneuploidy in spermatids of Robertsonian (Rb) chromosome heterozygous mice 
      Manieu, Catalina; González, Marisel; López-Fenner, Julio; Page, Jesús; Ayarza, Eliana; Fernández Donoso, Raúl; Berríos, Soledad (Kluwer Academic Publishers, 2014)
      © 2014, The Author(s). Rb translocations are chromosomal rearrangements frequently found in natural populations of the house mouse Mus musculus domesticus. The standard diploid karyotype of the house mouse consisting of ...
    • Management of ischemic strokes derived from intraventricular thrombi. Report of two cases Accidente ... 
      Oberreuter, Gerardo; Silva, Natalia; Caba, Sheila; Morales, Marcelo; Nieto, Elena; Guevara, Carlos (Sociedad Medica de Santiago, 2014)
      © 2014, Sociedad Medica de Santiago. All rights reserved.The origin of 20% of ischemic strokes is a left ventricular thrombus. We report two patients with strokes originating from cardiac thrombi, treated in two different ...
    • Respuesta de los centros de atención primaria en salud mental después del terremoto y tsunami del 2010 en ... 
      Vitriol, Verónica; Minoletti Scaramelli, Alberto; Alvarado Muñoz, Rubén; Sierralta, Paula; Cancino, Alfredo (Sociedad Médica de Santiago, 2014)
      Background: Thirty to 50% of people exposed to a natural disaster suffer psychological problems in the ensuing months. Aim: To characterize the activities in mental health developed by Primary Health Care centers after ...