Results 11 to 20 of about 5,316,571 (260)

ADMINISTRACIÓN Y PLANEACIÓN DEL NÚCLEO DE DESARROLLO EDUCATIVO, 1980

open access: yesRevista Colombiana de Educación, 1981
El texto que aquí reseñamos fue elaborado como material didáctico para la capacitación de los Directores y Supervisores de Núcleos de Desarrollo Educativo y demás funcionarios comprometidos en el programa.
Universidad del Valle Universidad del Valle
doaj   +1 more source

Adenovirus-mediated suppression of hypothalamic glucokinase affects feeding behavior [PDF]

open access: yes, 2017
Glucokinase (GK), the hexokinase involved in glucosensing in pancreatic β-cells, is also expressed in arcuate nucleus (AN) neurons and hypothalamic tanycytes, the cells that surround the basal third ventricle (3V).
Barahona, María José   +10 more
core   +1 more source

Tucumanin, a β-hydroxy-γ-lactone bistetrahydrofuranic acetogenin from Annona cherimolia, is a potent inhibitor of mitochondrial complex I [PDF]

open access: yes, 2004
A new β-hydroxy-γ-methyl-γ-lactone bistetrahydrofuranic acetogenin, tucumanin, with the infrequent symmetrical threo/trans/threo/trans/ threo relative configuration at the tetrahydrofuran rings was isolated from Annona cherimolia (Annonaceae) seeds.
Alvarez, Olga   +8 more
core   +1 more source

Reversal of gastrointestinal carcinoma-induced immunosuppression and induction of antitumoural immunity by a combination of cyclophosphamide and gene transfer of IL-12 [PDF]

open access: yes, 2011
Immunotherapy-based strategies for gastrointestinal carcinomas (GIC) have been exploited so far, but these approaches have to face strong mechanisms of immune escape induced by tumours.
Alaniz   +69 more
core   +1 more source

Universidad Carolina

open access: yesRevista Española de Pedagogía, 2023
El Excmo. Sr. Ministro de Educación Nacional, D. Jesús Rubio García-Mina, ha pronunciado en la Universidad de Granada, con motivo de la apertura de curso universitario, el discurso que, por su excepcional importancia, se publica a continuación: Universidad de Carolina.
openaire   +2 more sources

Comment on “Bilaterian Burrows and Grazing Behavior at >585 Million Years Ago” [PDF]

open access: yes, 2013
Pecoits et al. (Reports, 29 June 2012, p. 1693) describe bilaterian trace fossils and assign them an Ediacaran age based on the age of a granite interpreted as intrusive.
Beri, Angeles   +4 more
core   +2 more sources

Thyroid status modulates T lymphoma growth via cell cycle regulatory proteins and angiogenesis [PDF]

open access: yes, 2014
We have shown in vitro that thyroid hormones (THs) regulate the balance between proliferation and apoptosis of T lymphoma cells. The effects of THs on tumor development have been studied, but the results are still controversial.
Barreiro Arcos, María Laura   +10 more
core   +1 more source

ALMA observations of Elias 2–24: a protoplanetary disk with multiple gaps in the Ophiuchus molecular cloud [PDF]

open access: yes, 2017
We present ALMA 1.3 mm continuum observations at 0. 2 (25 au) resolution of Elias 2–24, one of the largest and brightest protoplanetary disks in the Ophiuchus Molecular Cloud, and we report the presence of three partially resolved concentric gaps located
Ansdell, Megan   +23 more
core   +4 more sources

Fricke and polymer gel 2D dosimetry validation using Monte Carlo simulation [PDF]

open access: yes, 2016
Complexity in modern radiotherapy treatments demands advanced dosimetry systems for quality control. These systems must have several characteristics, such as high spatial resolution, tissue equivalence, three-dimensional resolution, and dose-integrating ...
Chacón Obando, D.   +12 more
core   +1 more source

Temporal and spatial expression of genes involved in DNA methylation during reproductive development of sexual and apomictic Eragrostis curvula [PDF]

open access: yes, 2017
Recent reports in model plant species have highlighted a role for DNA methylation pathways in the regulation of the somatic-to-reproductive transition in the ovule, suggesting that apomixis (asexual reproduction through seeds) likely relies on RdDM ...
Echenique, Carmen Viviana   +9 more
core   +1 more source

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