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Mostrando ítems 1281-1290 de 4221
Genetic network during neural crest induction: From cell specification to cell survival
(ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD, 2005-12)
The concerted action of extracellular signals such as BMP, Wnt, FGF, RA and Notch activate a genetic program required to transform a naive ectodermal cell into a neural crest cell. In this review we will analyze the ...
Oxidative stress in tumor microenvironment -- Its role in angiogenesis
(2008)
The tumor angiogenesis process is believed to be dependent on an "angiogenic switch" formed by a cascade of biologic events as a consequence of the "cross-talk" between tumor cells and several components of local ...
Primary care for adults in Chile: analysis of basic information Atención primaria del adulto en Chile: análisis de la información básica.
(1992)
According to national data the Chilean adult population on the average has 2.5 annual ambulatory visits with an increasing trend in the last decade. The figure has significant variation in the diverse geographic regions. ...
Building knowledge maps of Web graphs
(Elsevier, 2016)
We research the problem of building knowledge maps of graph-like information. There exist well-consolidated cartographic principles and techniques for mapping physical landscapes. However, we live in the digital era and ...
Cuidados paliativos en personas con demencia severa: reflexiones y desafíos
(SOC MEDICA SANTIAGO, 2016)
Dementia is an important public health problem due to the
complex challenges it poses during the progression of the disease
and especially during its end-of-life stage. The aim of this article
is to consider the issues ...
Review the legal status of video games : comparative analysis in national approaches.
(Universidad Catolica de Colombia, 2018-01-01)
The text is directed towards academic public wishing to deepen their kwonledge about legislation of intellectual property in video games. The purpose of the paper is to show video games in the context of their complex legal ...
Smart homes and home health monitoring technologies for older adults: A systematic review
(Elsevier Ireland LtdBrasil, 2016)
The aim of this paper was to conduct a systematic literature review to determine: (1) the levels of technology readiness among older adults and, (2) evidence for smart homes and home-based health-monitoring technologies ...
Propuesta metodológica de Restauración Ecológica en los Páramos del Volcán Chiles, Nariño.
(2011)
A partir de conceptos como Teoría general de sistemas, sistemas complejos y ecología de la restauración, se propone una metodología para recuperar zonas degradadas por disturbios antrópicos en paramos. Para ello se describe ...
Hemoglobinopatías en niños.
(2014-02-07)
Las enfermedades hereditarias por hemoglobinas anormales afectan a millones de
personas en todo el mundo. Las más importantes son las que comprometen las cadenas
ß de la hemoglobina (HGB) y, por supuesto, la más común ...
Microprocesadores con conjunto de instrucciones reducido y complejo.
(2011-10-13)
La arquitectura del microprocesador se determina por muchos factores tales como: la aplicación, la velocidad, la capacidad de cálculo matemático, la cantidad de direccionamiento de memoria, el consumo de potencia, resistencia ...