Artículos SCOPUS: Envíos recientes
Mostrando ítems 321-340 de 474
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Obfuscation procedure based on the insertion of the dead code in the crypter by binary search
(IEEE, 2018)What threatens the cyberspace is known as malware, which in order to infect the technological devices, it has to be capable of bypassing the antivirus motor. To avoid the antivirus detection, the malicious code requires ... -
Implementation of an emitting LED circuit in a Visible Light communications positioning system
(2018)In this paper, two LED emitting circuits are implemented in a VLC positioning system, a regular Bias-Tee and a circuit proposed by Ghassemlooy, aiming to provide the system with portability and functionality. For this, an ... -
Simultaneous optical flow and occlusion estimation for images with large displacements
(IEEE, 2017)In this paper we present a method for estimating occlusion of pixels in image sequences. The estimation of the occlusion layer is based on optical flow. In our proposal the optical flow is computed in an exhaustive way by ... -
Variables preoperatorias e intraoperatorias asociadas al aumento del tiempo quirúrgico en la exodoncia de terceros molares inferiores
(Facultad de Ciencias, 2012)Introducción: La exodoncia de tercer molar es un procedimiento frecuente en odontología, lo que exige conocer los factores que pueden anticipar el tiempo quirúrgico y sus características. El objetivo de esta investigación ... -
β8 integrin expression and activation of tgf-β by intestinal dendritic cells are determined by both tissue microenvironment and cell lineage
(Facultad de Ciencias, 2016)Activation of TGF-β by dendritic cells (DCs) expressing αvβ8 integrin is essential for the generation of intestinal regulatory T cells (Tregs) that in turn promote tolerance to intestinal Ags. We have recently shown that ... -
VIH/SIDA: comportamiento epidemiológico de la transmisión vertical en el contexto general de la infección en Chile
(Facultad de Ciencias, 2011)Antecedentes: En embarazadas seropositivas sin profilaxis antirretroviral la transmisión vertical (TV) del VIH es de 30%, cifra que disminuye bajo al 2% con un manejo integral de prevención. Objetivo: Conocer el comportamiento ... -
Tuberculosis peritoneal con presentación clínica como cáncer ovárico avanzado: Revisión de la literatura
(Facultad de Ciencias, 2016)Se presenta el caso de paciente con ascitis, masa pelviana y CA 125 elevado, sugerentes de cáncer ovárico avanzado. Se realizó laparoscopía que demostró lesiones compatibles con tuberculosis peritoneal. La biopsia laparoscópica ... -
The Influence of Ethnicity on Warfarin Dosage Requirements in the Chilean Population
(Facultad de Ciencias, 2015)Background: Vitamin K antagonists are drugs that are widely prescribed around the world and their use has helped improve the prognosis of patients with thromboembolic disease. However, a high interindividual variability ... -
Trypanosoma cruzi infection induces a global host cell response in Cardiomyocytes
(Facultad de Ciencias, 2011)Chagas' disease, caused by the hemoflagellate protozoan Trypanosoma cruzi, affects millions of people in South and Central America. Chronic chagasic cardiomyopathy, the most devastating manifestation of this disease, occurs ... -
Results from Chile's 2016 report card on physical activity for children and youth
(Facultad de Ciencias, 2016)Background: The 2016 Chilean Report Card on Physical Activity for Children and Youth is a review of the evidence across indicators of behaviors, settings, and sources of influence associated with physical activity (PA) of ... -
Síndrome del ligamento arcuato medio
(Facultad de Ciencias, 2014)Objetivo: El objetivo de este artículo es describir la presentación clínica, fisiopatología y diagnóstico imagenológico del síndrome del ligamento arcuato medio (LAM), mediante la presentación de casos clínicos y revisión ... -
Síndrome de Lemierre: Una entidad clínica casi en el olvido. Reporte de tres casos y revisión de la literatura
(Facultad de Ciencias, 2015)El síndrome de Lemierre es una enfermedad rara que afecta a adultos jóvenes y es causada principalmente por Fusobacterium necrophorum y ocasionalmente por otras bacterias anaerobias de la especie. Este síndrome se caracteriza ... -
Saprolegnia species affecting the salmonid aquaculture in Chile and their associations with fish developmental stage
(Facultad de Ciencias, 2014)The rapid increase in the aquaculture production of salmonids has been followed by a rise in several diseases. In particular, saprolegniosis can account for at east 10% of the annual economic loss in salmonids. In this ... -
Revisión de técnica y utilidades de la tomosíntesis digital de tórax en la actualidad
(Facultad de Ciencias, 2015)La Tomosíntesis digital (TSD) de tórax es una técnica de imagen compuesta por piezas similares que la radiografía digital (RD). Sus ventajas de sobre RD: diagnóstico más preciso de las alteraciones estructuras torácicas, ... -
Secuenciación del gen CFTR en un grupo de pacientes chilenos con fibrosis quística
(Facultad de Ciencias, 2014)Introducción: La fibrosis quística (FQ) es un trastorno autosómico recesivo causado por mutaciones en el gen CFTR, en el cual se han identificado más de 1.900 mutaciones diferentes. En Chile, el panel diagnóstico con las ... -
The Effect of Tunicamycin on the Glucose Uptake, Growth, and Cellular Adhesion in the Protozoan Parasite Crithidia fasciculata
(Facultad de Ciencias, 2014)Crithidia fasciculata represents a very interesting model organism to study biochemical, cellular, and genetic processes unique to members of the family of the Trypanosomatidae. Thus, C. fasciculata parasitizes several ... -
Retention of a resin-based sealant and a glass ionomer used as a fissure sealant in children with special needs.
(Facultad de Ciencias, 2014)Objectives: The aim of this research is to evaluate the retention of sealants of resin and resin-modified ionomeric glass pits and fissures, on first permanent molars of special patients. Material and Methods: The sample ... -
Stg fimbrial operon from S. Typhi STH2370 contributes to association and cell disruption of epithelial and macrophage-Like cells.
(Facultad de Ciencias, 2015)Salmonella enterica serovar Typhi (S. Typhi) stg operon, encoding a chaperone/usher fimbria (CU), contributes to an increased adherence to human epithelial cells. However, one report suggests that the presence of the Stg ... -
Situación y abordaje de lista de espera en un establecimiento de salud público en Santiago de Chile
(Facultad de Ciencias, 2014)INTRODUCTION: Waiting lists are a well-known problem in public healthcare systems worldwide. For instance, England had over one million people in waiting lists for elective surgical procedures in 2000. Spain had over 360 ... -
Rendimiento diagnóstico de la detección de células prostáticas malignas en la circulación sanguínea para la detección precoz de cáncer prostático: Una comparación con la biopsia prostática
(Facultad de Ciencias, 2011)OBJECTIVES: Serum prostate specific antigen and digital rectal examination are the tests used as screening tests to detect prostate cancer. However, only approximately 30% of men with suspicion of cancer have it confirmed ...