Browsing by Title Facultad de Medicina

Now showing items 121-140 of 12961

    • A macro- and micronutrient-fortified complementary food supplement reduced acute infection, improved ... 
      Ghosh, Shibani A.; Strutt, Nicholas R.; Otoo, Gloria E.; Suri, Devika J.; Ankrah, Judith; Johnson, Thomas; Nsiah, Paul; Furuta, Chie; Murakami, Hitoshi; Perera, Gillian; Chui, Kenneth; Bomfeh, Kennedy; Amonoo-Kuofi, Harold; Tano-Debrah, Kwaku; Uauy Dagach-Imbarack, Ricardo (Cambridge University Press, 2019)
      Copyright © The Author(s) 2019 This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, ...
    • A major founder Y–chromosome haplotype in Amerindians 
      Peña, Sérgio; Santos, Fabrício R.; Bianchi, Néstor O.; Bravi, Claudio M.; Carnese, Francisco R.; Rothhammer Engel, Francisco; Gerelsaikhan, Tudevdagva; Munkhtuja, Bjamba; Oyunsuren, Tsendsuren (1995)
    • A malignant hyperthermia-inducing mutation in RYR1 (R163C): Alterations in Ca2+ entry, release, and retrograde ... 
      Estève, Eric; Eltit Ortega, José Miguel; Bannister, Roger A.; Pessah, Isaac N.; Beam, Kurt G.; Allen, Paul D.; López, José R. (2010)
      Bidirectional signaling between the sarcolemmal L-type Ca2+ channel (1,4-dihydropyridine receptor [DHPR]) and the sarcoplasmic reticulum (SR) Ca2+ release channel (type 1 ryanodine receptor [RYR1]) of skeletal muscle is ...
    • A malignant hyperthermia-inducing mutation in RYR1 (R163C): Consequent alterations in the functional ... 
      Bannister, Roger A.; Estève, Eric; Eltit Ortega, José Miguel; Pessah, Isaac N.; Allen, Paul D.; López, José R.; Beam, Kurt G. (2010)
      Bidirectional communication between the 1,4-dihydropyridine receptor (DHPR) in the plasma membrane and the type 1 ryanodine receptor (RYR1) in the sarcoplasmic reticulum (SR) is responsible for both skeletal-type ...
    • 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) ...
    • A mechanistic approach for the optimization of loperamide loaded nanocarriers characterization: Diafiltration ... 
      Catalan-Figueroa, Johanna; Boisset, Constanza B.; Jara, Miguel O.; Flores, Mario E.; Moreno-Villoslada, Ignacio; Fiedler, Jenny L.; Morales, Javier O. (Elsevier B.V., 2018)
      © 2018 Elsevier B.V. Oral bioavailability of loperamide is restricted by its limited absorption in the gastrointestinal tract due to its poor aqueous solubility and its P-glycoprotein (Pgp) substrate characteristic. In ...
    • A method for analysis of lipid vesicle domain structure from confocal image data 
      Husen, Peter; Fidorra, Matthias; Härtel, Steffen; Bagatolli, Luis A.; Ipsen, Jhon H. (Springer, 2011-11-09)
      Quantitative characterization of the lateral structure of curved membranes based on fluorescence microscopy requires knowledge of the fluorophore distribution on the surface. We present an image analysis approach for ...
    • A method for evaluating the proportion of free and attached bacteria in the bioleaching of chalcopyrite ... 
      Escobar, B.; Jedlicki, E.; Wiertz, J.; Vargas T., Ling (Elsevier, 1996)
      A method for evaluating the proportion of bacteria attached to mineral sulfides is presented. The method is based on the determination of the rate of ferrous iron oxidation by attached bacteria on the mineral surfaces. The ...
    • A microcomputer-based sleep system: Data acquisition and system calibration programs 
      Vivaldi Véjar, Ennio; Pastel, Ross H.; Bakalian, Mihran J.; Fernstrom, John D. (1988)
      A data acquisition program is described for the Apple II series of microcomputers that allows for continuous, direct monitoring of electrographic elements from cortical, hippocampal and muscle leads from rats. The program ...
    • A miRNA-Based Blood and Mucosal Approach for Detecting and Monitoring Celiac Disease 
      Bascunan, KA; Perez-Bravo, F; Gaudioso, G; Vaira, V; Roncoroni, L; Elli, L; Monguzzi, E; Araya, M (Springer, 2020)
    • A model for the Escherichia coli FtsB/FtsL/FtsQ cell division complex 
      Villanelo, Felipe; Ordenes, Alexis; Brunet, Juan; Lagos Mónaco, Rosalba; Monasterio Opazo, Octavio (BioMed Central Ltd., 2011)
      Background: Bacterial division is produced by the formation of a macromolecular complex in the middle of the cell, called the divisome, formed by more than 10 proteins. This process can be divided into two steps, in which ...
    • A model for training physicians specialized in primary health care in Chile Modelo de formación de médicos ... 
      Núñez Serrano, Oriele; Silva Peña, Ilich; Toro Núñez Correo, Daniela (Editorial Ciencias Medicas, 2016)
      © All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Introduction: It is an analysis about the strength of Program for specialization of medical doctors ...
    • A model of complete random molecular evolution by recurrent mutation 
      Valenzuela Yuraidini, Carlos; Santos, José Luis (1996)
      A model for random molecular evolution based on recurrent mutation is proposed. Recurrent mutation replaces completely any original base in a nucleotidic site. This occurs if more than four times the number of reproductive ...
    • A model of pediatric end-stage lung failure in small lambs <20 kg 
      Carr, Benjamin D.; Poling, Clinton J.; Hala, Pavel; Cáceres Quiñones, Matías; Prater, Aaron R.; McLeod, Jennifer S.; Bartlett, Robert H.; Rojas-Peña, Álvaro; Hirschl, Ronald B. (Lippincott Williams & Wilkins, 2020)
      One in five children with end-stage lung failure (ESLF) die while awaiting lung transplant. No suitable animal model of ESLF exists for the development of artificial lung devices for bridging to transplant. Small lambs ...
    • A Modified biophysical profile 
      Paublo, Mario M.; Bustos, Juan Carlos V.; Ramirez, Pedro H. (Elsevier Science Ltd, 1997)
      The biophysical profile (BP) is a diagnostic method of the fetal surveillance of excellent sensibility and especificity. We introduce a modification of the scoring in which we replace the NST for two `bonus point' to fetus ...
    • A molecular reporter for monitoring autophagic flux in nervous system in vivo 
      Castillo, K.; Valenzuela, V.; Oñate, M.; Hetz Flores, Claudio (Elsevier, 2017)
      The relevance of autophagy in neuronal health has been extensively reported in a plethora of conditions affecting the nervous system, such as neurodegenerative diseases, cancer, diabetes, and tissue injury, where altered ...
    • A Morphological and Morphometric Study of Bite Marks Caused by Mice (Mus Musculus) on Different Baits for ... 
      Toledo, Víctor A.; Fonseca, Gabriel M.; González, Paula A.; Ibarra, Luis; Torres, Francisco J.; Sáez, Pedro L. (Blackwell Publishing Inc., 2017)
      © 2016 American Academy of Forensic Sciences In animal bites, the dental attributes can be fundamental in identifying the marks made by various species on different matrices. Although rodent bite marks have been studied ...
    • A mother-child segregation distortion for the Rh system. New evidence for another compatibility system ... 
      Valenzuela,; Harb, (1982)
      In the maternity service of a private hospital in Santiago, Chile, 6,974 mother-infant pairs typed for the D-d alleles of the Rh system were collected. The segregation analysis, made by means of the T mother-child matrix ...
    • A multi-institutional validation of the prognostic value of the Neutrophil-to-Lymphocyte ratio in patients ... 
      Beltrán, Brady E.; Villela, Luis; Torres, María A.; Otero, Victoria; Fiad, Lorena; Peña, Camila; Cabrera, María E.; León, Pilar; Idrobo, Henry; Castro, Denisse A.; Paredes, Sally; Perdomo, Iván; Abello, Virginia; Rojas, Christine; Ramírez Ibarguen, Ana; Candelaria, Myrna; Pérez Jacobo, Fernando; Montano Figueroa, Efren; Best, Carlos; Gómez de León, Andrés; Gómez Almaguer, David; Ruiz Arguelles, Guillermo; Hernández Hernández, José; Malpica, Luis; Sotomayor, Eduardo M.; Castillo, Jorge J. (CIG Media Group, 2020)
      International Prognostic Index and the National Comprehensive Cancer Network-International Prognostic Index score. Introduction: We aimed at investigating the prognostic role of the neutrophil-to-lymphocyte ratio (NLR) ...
    • A Multinational Andean Genetic and Health Program. VIII. Lung function changes with migration between altitudes 
      Mueller, William H.; Yen, Fanny; Soto, Patricia; Schull, Victoria N.; Rothhammer Engel, Francisco; Schull, William J. (1979)
      Studies of lung function in high altitude populations have suggested the influence of hypoxic environment on the development of this characteristic independent of confounding variables such as ethnicity and habitual exercise. ...