Results 91 to 100 of about 1,247,959 (250)

Identificación de unidades de paisaje en la planicie costera de Rio Grande do Sul, Brasil, a través de técnicas de teledetección [PDF]

open access: yes, 2014
El objetivo de este trabajo es identificar las unidades de paisaje que permitan comprender los procesos dominantes de la paleogeografía en la zona costera de Rio Grande. Se utilizaron dos imágenes LANDSAT 8, usando el sensor Operational Land Image (OLI).
Ayup Zouain, Ricardo   +3 more
core   +3 more sources

Feasibility of a ctDNA multigenic panel for non‐small‐cell lung cancer early detection and disease surveillance

open access: yesMolecular Oncology, EarlyView.
Plasma‐based detection of actionable mutations is a promising approach in lung cancer management. Analysis of ctDNA with a multigene NGS panel identified TP53, KRAS, and EGFR as the most frequently altered, with TP53 and KRAS in treatment‐naïve patients and TP53 and EGFR in previously treated patients.
Giovanna Maria Stanfoca Casagrande   +11 more
wiley   +1 more source

Early stages of self-healing at tungsten grain boundaries from ab initio machine learning simulations

open access: yesCommunications Materials
Nanostructured tungsten has been reported as a possible alternative plasma–facing material due to its potential ability to self–heal radiation-induced defects, a property that is attributed to its high density of grain boundaries (GB). Here, we study the
Jorge Suárez-Recio   +4 more
doaj   +1 more source

Determinaçao da absorçao do feixe láser em ensaios de refusao em regime continuo

open access: yesRevista de Metalurgia, 1998
[pt] Este trabalho estuda a absorção do feixe laser sobre a superfície de um ferro fundido branco por meio de ensaios calorimétricos. Um láser de CO2, trabalhando no modo contínuo, foi utilizado para produzir um traço refundido sobre a superfície de um ...
M. Lima, J. D. Wagnière
doaj   +1 more source

Fusiones horizontales que reducen los precios [PDF]

open access: yes, 2003
Este trabajo desarrolla un modelo de equilibrio de un mercado con diferenciación horizontal de productos en el cual las empresas fijan los precios de las variedades que proveen y, en ciertos casos, alguna de ellas actúa como líder de precios.
Coloma, Germán
core  

Survivin and Aurora Kinase A control cell fate decisions during mitosis

open access: yesMolecular Oncology, EarlyView.
Aurora A interacts with survivin during mitosis and regulates its centromeric role. Loss of Aurora A activity mislocalises survivin, the CPC and BubR1, leading to disruption of the spindle checkpoint and triggering premature mitotic exit, which we refer to as ‘mitotic slippage’.
Hana Abdelkabir   +2 more
wiley   +1 more source

El Mercado Integrado Latino Americano (MILA). Contexto, Hipótesis y Reflexiones

open access: yesPensamiento Crítico, 2010
La integración y fusión de bolsas tiene como propósito aumentar la participación de estas dentro del mercado internacional de inversionistas, hoy bastante competitivo.
Carlos Palomino Selem
doaj   +1 more source

CDK11 inhibition induces cytoplasmic p21WAF1 splice variant by p53 stabilisation and SF3B1 inactivation

open access: yesMolecular Oncology, EarlyView.
CDK11 inhibition stabilises the tumour suppressor p53 and triggers the production of an alternative p21WAF1 splice variant p21L, through the inactivation of the spliceosomal protein SF3B1. Unlike the canonical p21WAF1 protein, p21L is localised in the cytoplasm and has reduced cell cycle‐blocking activity.
Radovan Krejcir   +12 more
wiley   +1 more source

Determinaciones termogravimétricas y de calor específico de un concentrado comercial de ulexita, entre temperatura ambiente y 1.000 ºC

open access: yesRevista de Metalurgia, 2006
El elevado contenido de agua de hidratación de la ulexita (NaCaB5O9.8H2O) permite utilizar la calcinación como método de concentración. En este trabajo se analiza la reacción de descomposición térmica de un preconcentrado de ulexita a través de ...
H. R. Flores, S. K. Valdez
doaj   +1 more source

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