Now showing items 21-40 of 399

    • Handset based automatic network re-selection system for GSM/GPRS and WiFi 

      Navarro Cadavid, Andrés; Millán, Andrés Felipe; García D, Alexander; Tamura, Gabriel; Jiménez, Oscar Wilfrido (MobiWac 2008 - Proceedings of the 6th ACM International Symposium on Mobility Management and Wireless Access 2008, 2008-10-31)
      This paper presents the results of the development of a handset based automatic network reselection software system, which allows keeping end-to-end connections through semi-transparent handoff on WiFi/GSM-GPRS networks. ...
    • Acute coronary syndromes: Epidemiology and diagnosis 

      Cassiani Miranda, Carlos Arturo; Cabrera G, Armando (Salud Uninorte, 2009)
      Acute coronary syndromes are a major public health problem. Acute coronary syndrome (ACS) includes acute myocardial infarction (AMI), with or without ST elevation and unstable angina. The annual incidence of AMI is 565,000 ...
    • Prevalence and characteristics of tabacco consumption among adolescents from the Santiago de Cali University secondary school 

      Ortíz, Yamileth; Rodríguez, Jorge Martín (Revista Facultad de Medicina, 2009-01)
      Antecedentes. El consumo de tabaco es responsable del 90 por ciento de los cánceres de pulmón; su uso está en los primeros lugares de América Latina y el Caribe. Objetivo. Identificar la prevalencia del consumo de tabaco, ...
    • Permanent Genetic Resources added to Molecular Ecology Resources database 1 January 2009-30 April 2009 

      Abercrombie, L. G.; Anderson, Cynthia M.; Baldwin, Bruce G.; Bang, I. C.; Beldade, Ricardo; Bernardi, Giacomo; Boubou, Angham; Branca, Antoine; Bretagnolle, François C.; Bruford, Michael W.; Buonamici, Anna; Burnett, Robert K.; Canal, David; Cárdenas, H.; Caullet, C.; Chen, S. Y.; Chun, Young-jin; Cossu, C.; Crane, Charles F.; Cros-Arteil, Sandrine; Cudney Bueno, Richard S.; Danti, Roberto; Dávila, José Antonio; Della Rocca, G.; Dobata, Shigeto; Dunkle, Larry D.; Dupas, Stéphane; Faure, Nathalie; Ferrero, María Ester; Fumanal, Boris; Gigot, Guillaume; GonzÁlez, I.; Goodwin, Stephen B.; Groth, D.; Hardesty, Britta Denise; Hasegawa, E.; Hoffman, E. A.; Hou, M. L.; Jamaluddin, Jamsari Amirul Firdaus; Ji, Heyi J.; Johnson, Denita H.; Joseph, Leo; Justy, Fabienne; Kang, E. J.; Kaufmann, B.; Kim, K. S.; Kim, W. J.; Koehler, Anson V.; Laitung, Beryl; Latch, P.; Liu, Y. D.; Manjerovic, Mary Beth; Martel, Evelyne; Metcalfe, S. S.; Miller, J. N.; Midgley, J. J.; Migeon, Alain; Moore, Abigail J.; Moore, William L.; Morris, Veronica Ruth Franco; Navajas, Maria J.; Navia, Denise; Neel, M. C.; De Nova, Pedro J.G.; Olivieri, Isabelle; Omura, T.; Othman, Ahmad Sofiman; Oudot-Canaff, Jehanne; Panthee, Dilip R.; Parkinson, C. L.; Patimah, I.; Pérez Galindo, Carlos Andrés; Pettengill, J. B.; Pfautsch, S.; Piola, F.; Potti, Jaime; Poulin, R.; Raimondi, Peter T.; Rinehart, Timothy; Ruzainah, A.; Sarver, Shane K.; Scheffler, Brian E.; Schneider, Anja R R; Silvain, Jean François; Siti-Azizah, Mohd Nor; Springer, Yuri P.; Stewart, Charles Neal; Sun, W.; Tiedemann, R.; Tsuji, K.; Trigiano, Robert N.; Vendramin, Giuseppe Giovanni; Wadl, Phillip A.; Wang, L.; Wang, Xinwang; Watanabe, K.; Waterman, J. M.; Weisser, Wolfgang W.; Westcott, D. A.; Wiesner, Kerstin R.; Xu, X. F.; Yaegashi, S.; Yuan, J. S. (Molecular Ecology Resources, 2009-08-12)
      This article documents the addition of 283 microsatellite marker loci to the Molecular Ecology Resources Database. Loci were developed for the following species: Agalinis acuta; Ambrosia artemisiifolia; Berula erecta; ...
    • Technological Models of Municipal Wireless Networks based on Hybrid WiFi/WiMAX Mesh Networks: a proposal to Colombian Municipalities 

      Millan, Andres F.; Hernandez, Julian; Zúñiga Cañón, Claudia Liliana; Navarro, Andres; Rodriguez, Pedro (2009 IEEE Latin-American Conference on Communications, LATINCOM '09 - Conference Proceedings, 2009-10-30)
      The telecommunications infrastructure citizen-oriented has become a necessity in cities that wish to direct themselves to a new information society. One of the technological alternatives for these infrastructures is municipal ...
    • Controversy with Law 100 of 1993 against Law 1122 January 2007 

      Tafur, Luis Alberto (Colombia Medica, 2009-11-23)
      Introducción: En este artículo se analizan los aspectos que contempla la Ley 1122 de 2007 y se comparan con normas existentes y con posibilidades de lograr las metas propuestas. Dirección: La Ley crea la Comisión de ...
    • Apoptosis of gingival fibroblasts in periodontitis 

      Arce, Roger Mauricio; Tamayo, Oscar; Cortés, Armando (Colombia Medica, 2009-11-24)
      Introduction: Human gingival fibroblasts (HGF) have an important role in the periodontal immune response. The fibroblasts alter their normal behavior in response to pro-inflammatory cytokines. It is believed that HGF can ...
    • Frequency and variability of the dental morphology in African-Colombian children of a school institution of Puerto Tejada, Cauca, Colombia 

      Rocha, Lorena; Rivas, Harold; Moreno, Freddy (Colombia Medica, 2009-11-24)
      Objectives: To assess the frequency and variability of eleven non-metric dental crown traits (winging, shovel-shape, double shovel shape, Carabelli trait, deflecting wrinkle, protostylid, groove pattern, cusp number, sixth ...
    • Predictive factors acting on health promotion behavior of menopausic women at Cali, Colombia 

      Triviño, Zaider; Stiepovich, Jasna; Merino, José M. (Colombia Medica, 2009-11-25)
      Introduction: Women have raised life hope in last decades; this coincides with their vital cycle of peri- post-menopausal apparition. This period present complex changes in it’s by a psycho, sociocultural dimension that ...
    • Comparison of low-density lipoprotein obtained from the Friedewald formula and new formulae in a heterogeneous population 

      Guevara Cuéllar, César Augusto; Criollo Díaz, Claudia Patricia; Pineda Cañar, Carlos Andrés (Colombia Medica, 2010)
      Introduction: Although the levels of low-density lipoprotein (LDL-C) should ideally be determined by beta quantification or enzymatic methods, there are limitations in developing countries. The goal of this study is to ...
    • Aprendizaje productivo en la industria manufacturera de Colombia. Un estudio a nivel de sectores 

      Durán Peralta, Julián (Cuadernos de Economia, 2010)
      Con el fin de analizar los efectos del aprendizaje en la práctica en la industria colombiana, se estiman funciones de producción a nivel de sectores industriales a cuatro dígitos CIIU, empleando modelos de datos panel. Los ...
    • Prevalence of anti-HCV antibodies among patients on dialysis in Cali - Colombia 

      Ramírez, Roberto; Fernández, Julián; Guevara, Juan Guillermo; Valderrama, Luis Alfonso; Castro, Adolfo León; Arango Álvarez, Javier; Holguín R, Jaime (Revista Colombiana de Gastroenterologia, 2010-01)
      Los pacientes con falla renal terminal en proceso de diálisis tienen un riesgo mayor de infección por el virus de la hepatitis C que la población general. El presente estudio se realizó con el objetivo de determinar la ...
    • Design of service-oriented pervasive system for urban computing in Cali Zoo (Openzoo) 

      Zúñiga Cañón, Claudia Liliana; Millan, Andres F.; Abadia, Jose L.; Lora, Monica; Navarro, Andres; Burguillo, Juan C.; Rodriguez, Pedro S. (World Academy of Science, Engineering and Technology, 2010-03-20)
      The increasing popularity of wireless technologies and mobile computing devices has enabled new application areas and research. One of these new areas is pervasive systems in urban environments, because urban environments ...
    • Smoking and student survival at universidad santiago de cali, 2004-2007 

      Tafur-Calderón, Luis A.; Millán-Estupiñan, Juan C.; Zapata-Ossa, Helmer De J.; Ordoñez-Arana, Gustavo A.; Varela, Jesús María (Universidad Nacional de Colombia, 2010-04-12)
      Objective This article presents the results of monitoring students who enrolled at Universidad Santiago de Cali (USC) during the second half of 2004. Its purpose was to determine the influence of smoking, the academic ...
    • Quantum-chemical-aided design of copolymers with tailored bandgaps and effective masses: The role of composition 

      Gil Bernal, Hernan; Zambrano, Martha L.; Arce, Julio C. (International Journal of Quantum Chemistry, 2010-07-20)
      Extending a key observation made by Meyers et al. (Meyers et al., J Chem Phys, 1992, 97, 2750), a strategy for the systematic design of conducting polymers with tailor‐made bandgaps and carrier effective masses is described ...
    • A new algorithm for detecting and correcting bad pixels in infrared images 

      Restrepo Girón, Andrés David; Loaiza Correa, Humberto (Ingenieria e Investigacion, 2010-07-22)
      An image processing algorithm detects and replaces abnormal pixels individually, highlighting them amongst their neighbours in a sequence of thermal images without affecting overall texture, like classical filtering does. ...
    • Enzyme-linked immunosorbent assay of phenolic glycolipid-I in patients with Hansen's disease 

      Moreno, Luis Hernando; Alzate, Alberto (Colombia Medica, 2010-09-07)
      Introduction: Hansen’s disease or leprosy is a contagious-infection entity produced by the Hansen bacillus or Mycobacterium leprae. The phenolic glycolipid is a special trisaccharide found in the bacillus cell wall and ...
    • Manipulating and imaging the shape of an electronic wave function by magnetotunneling spectroscopy 

      Patané, Amalia; Mori, Nobuya; Makarovsky, Oleg N.; Eaves, Laurence; Zambrano, Martha L.; Arce, Julio C.; Dickinson, L. A.; Maude, Duncan Kennedy (Physical Review Letters, 2010-12-01)
      We measure the current due to electrons tunneling through the ground state of hydrogenic Si donors placed in a GaAs quantum well in the presence of a magnetic field tilted at an angle to the plane of the well. The component ...
    • Envelope molecular-orbital theory of extended systems. I. Electronic states of organic quasilinear nanoheterostructures 

      Arce, Julio C.; Perdomo Ortiz, Alejandro; Zambrano, Martha L.; Mujica Martnez, C. (Journal of Chemical Physics, 2011)
      A conceptually appealing and computationally economical course-grained molecular-orbital (MO) theory for extended quasilinear molecular heterostructures is presented. The formalism, which is based on a straightforward ...
    • Role of Human Papillomavirus Type 16 in Squamous Cell Carcinoma of Upper Aerodigestive Tracts in Colombian patients 

      Mancilia, Lida Ines; Carrascal, Edwin; Tamayo, Óscar Mario; García, Felipe T.; Vaccarella, Salvatore V.; Gheit, Tarik; Tommasino, Massimo (2011-01-01)
      Infections with mucosal High-Risk (HR) Human Papillomavirus (HPV) types are associated with a subset of Squamous Cell Carcinoma (SCC) of Upper Aerodigestive Tract (UAT). However, the prevalence of HR HPV-positive UAT cancers ...