Search results for "PAM"

Instrucción en estrategias de comprensión lectora mediante enseñanza recíproca: efectos del agrupamiento de los estudiantes

2013

The aim of this study was to compare the effects of two grouping formats on the reading comprehension. Reading comprehension Instruction used reciprocal teaching (RT) that is an instructional procedure to teach students cognitive strategies that might lead to improved reading comprehension. A sample of 43 students in the fourth year of primary education was selected: 18 children were instructed in regular classroom (GG), 8 were instructed in small group (PG), while the remaining 17 made up the comparison group (GC). Two types of comprehension measures were used: tasks of specific effects (getting the main idea, comprehension-monitoring test) and transfer effect measures (standardized test, …

Inteligencia artificial, responsabilidad y compromiso cívico y democrático

2020

Este artículo parte del reconocimiento de los profundos cambios que la inteligencia artificial está provocando en diversas esferas de la vida humana e invita a una reflexión sobre la necesidad de incorporar criterios éticos de responsabilidad en la práctica tecnológica. Para ello se toma como punto de partida el terreno político, por entender que es un terreno fértil desde el que formular el concepto de inteligencia artificial responsable. Este concepto de responsabilidad tecnológica se expresa desde la preocupación por los asuntos políticos humanos relativos a los derechos humanos y los objetivos de desarrollo sostenible y concibe que los avances en materia de inteligencia artificial deben…

Effects of different agents on the contractile response elicited by extracellular calcium after depletion of internal calcium stores in rat isolated …

1993

Abstract Noradrenaline, 1 μm, induced a sustained contractile response in rat isolated aorta in the presence and in the absence of extracellular Ca2+. After depleting the noradrenaline-sensitive intracellular Ca2+ stores, an increase in the basal tone of the aorta was observed during the incubation period in the presence of Ca2+ and in the absence of the agonist. We have tested the possible pathways through which Ca2+ enters the cell to refill the previously depleted Ca2+ pools, a process that is accompanied by an increase in tension. The magnitude of this increase does not depend on the presence of Mg2+ in the extracellular medium nor on the temperature, suggesting that it is mediated by a…

Diagnosis and therapeutic management of primary headache in an emergency setting

2013

Pedagogia Social i investigació aplicada. Aproximació a una dècada de quefer universitari a Galícia

2012

Aquest article presenta els elements clau de sis projectes d'investigació alicada dins la realitat local gallega entre els anys 2001 i 2011. Tots ells han sigut realitzats pel grup SEPA (Pedagogia Social i Educació Ambiental) de la Universitat de Santiago de Compostela en conveni amb diverses entitats; en els casos que s'analitzen, ajuntaments, Diputació, Fundació Ciutat de la Cultura de Galicia i Eix Atlàntic del Nord-oest Peninsular. També s'ofereix una reflexió des de l'experiència respecte al potencial i las limitacions d'aquesta mena d'investigació.

Pāļu pamati

1938

Myelography: current status and post-marketing experience with iotrolan

1995

There are three imaging modalities for the diagnosis of spinal diseases: magnetic resonance imaging (MRI), computed tomography (CT) and myelography. The choice of modality is influenced by factors including diagnostic accuracy cost, radiation dose and invasiveness. For many indications, MRI has advantages over CT and myelography and is the modality of choice, and there is likely to be a trend away from myelographic examinations. In cases where myelography is indicated, it is of prime importance to reduce the frequency and severity of adverse events. During phase III and IV trials, involving over 2000 patients, general and neural tolerance of iotrolan was shown to be significantly better tha…

A genome-wide transcriptional study reveals that iron deficiency inhibits the yeast TORC1 pathway

2019

Iron is an essential micronutrient that participates as a cofactor in a broad range of metabolic processes including mitochondrial respiration, DNA replication, protein translation and lipid biosynthesis. Adaptation to iron deficiency requires the global reorganization of cellular metabolism directed to optimize iron utilization. The budding yeast Saccharomyces cerevisiae has been widely used to characterize the responses of eukaryotic microorganisms to iron depletion. In this report, we used a genomic approach to investigate the contribution of transcription rates to the modulation of mRNA levels during adaptation of yeast cells to iron starvation. We reveal that a decrease in the activity…

Commentaire CA d'Angers (renvoi de cassation), 7 octobre 2005, D. 2006, Jur. 1733

2006

International audience

Binding Sites for Ca2+‐Channel Effectors and Ryanodine inPeriplaneta americana—Possible Targets for New Insecticides

1996

The calcium channel and the 'calcium release channel' of muscle membrane of the cockroach Periplaneta americana have been characterized. Biological assays with calcium channel blockers and ryanodine on different insects and acari revealed pronounced insecticidal effects with ryanodine, but not with calcium channel blockers, at concentrations between 0.1 and 300 μg ml -1 . Skeletal muscle membranes derived either from the tubular network or from the sarcoplasmatic reticulum of P. americana were characterized with respect to the binding of the dihydropyridine (DHP) [ 3 H]isradipine (PN 200-110), the phenylalkylamine [ 3 H]verapamil and the alkaloid [ 3 H]ryanodine. Preliminary binding studies…