496 resultados para Serna


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A presente investigação visa a passagem da metáfora literária para a metáfora visual, através do resultado de um trabalho de ilustração, tendo como ponto de partida, as Greguerías de Ramón Gómez de la Serna (1888 - 1963). Reflectindo sobre a interpretação da metáfora, o objectivo passa por criar uma nova selecção de Greguerías ilustradas que também estabeleçam novas metáforas visuais, a partir da sua interacção com a palavra. Mas uma vez independentes, cada ilustração ou cada conjunto de ilustrações, resultem num trabalho de conjunto, enquanto série, como processo criativo e inserido no panorama artístico da ilustração de autor.

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Thin films consisting of 3 or 4 Sb and Ge alternating layers are irradiated with single nanosecond laser pulses (12 ns, 193 nm). Real time reflectivity (RTR) measurements are performed during irradiation, and Rutherford backscattering spectrometry (RBS) is used to obtain the concentration depth profiles before and after irradiation. Interdiffusion of the elements takes place at the layer interfaces within the liquid phase. The reflectivity transients allow to determine the laser energy thresholds both to induce and to saturate the process being both thresholds dependent on the multilayer configuration. It is found that the energy threshold to initiate the process is lower when Sb is at the surface while the saturation is reached at lower energy densities in those configurations with thinner layers.

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Disaster management is one of the most relevant application fields of wireless sensor networks. In this application, the role of the sensor network usually consists of obtaining a representation or a model of a physical phenomenon spreading through the affected area. In this work we focus on forest firefighting operations, proposing three fully distributed ways for approximating the actual shape of the fire. In the simplest approach, a circular burnt area is assumed around each node that has detected the fire and the union of these circles gives the overall fire’s shape. However, as this approach makes an intensive use of the wireless sensor network resources, we have proposed to incorporate two in-network aggregation techniques, which do not require considering the complete set of fire detections. The first technique models the fire by means of a complex shape composed of multiple convex hulls representing different burning areas, while the second technique uses a set of arbitrary polygons. Performance evaluation of realistic fire models on computer simulations reveals that the method based on arbitrary polygons obtains an improvement of 20% in terms of accuracy of the fire shape approximation, reducing the overhead in-network resources to 10% in the best case.

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International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP 2015). 7 to 9, Apr, 2015. Singapure, Singapore.

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Aquesta memòria tracta sobre el desenvolupament d’una aplicació en un portal web, la qual ha de ser un suport per a que els entrenadors puguin controlar i analitzar els entrenaments de cada un dels seus esportistes, sense la necessitat de tenir que perdre molt de temps en la captació, transmissió i processament de la informació resultant de realitzar un entrenament. Aquesta aplicació neix amb la intenció de ser una eina útil tant per entrenadors, metges i esportistes, en l’obtenció dels objectius fixats.

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El objetivo de este proyecto es analizar la viabilidad de la construcción y operación de una planta de una planta de fabricación de acetaldehído a partir de etileno y oxígeno, mediante el proceso Wacker-Hoechst de una etapa. La viabilidad en la construcción y en la operación de la planta debe de ser conseguida manteniéndose dentro de los límites que establecen la normativa sectorial, la normativa urbanística, ya que uno de los objetivos del proyecto, además de obtener un proceso de producción fiable y seguro para quienes trabajen e inviertan su dinero en la planta, es conseguir una gestión y manejo de los recursos disponibles adecuada al panorama global, consiguiendo minimizar el impacto medioambiental mediante una optimización de los recursos disponibles.

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Las infiltraciones intra-articulares de concorticoesteroides suelen indicarse como tratamiento coadyuvante en casos de presencia de dolor y limitación de la movilidad. La información existente sobre los efectos en el metabolismo hidrocarbonado son muy escasos y dispares. El objetivo de este estudio es definir el patrón y grado de la hiperglucemia después de la administración intra-articular de acetónido de triamcinolona en pacientes sin diabetes y con diabetes tipo 2. Se realiza un estudio observacional y prospectivo dónde se incluyen 14 pacientes a quienes se les ha indicado una infiltración en la rodilla o el hombro. Recogemos las glucemias preprandiales y 2 horas postprandiales, del día previo y los 6 días posteriores a la infiltración. En los pacientes sin diabetes, únicamente las glucemias medias el día de la infiltración y el siguiente fueron superiores a las del día previo a la infiltración. En los pacientes con diabetes no observamos diferencias estadísticamente significativas.

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INTRODUCTION Genome-wide association studies of rheumatoid arthritis (RA) have identified an association of the disease with a 6q23 region devoid of genes. TNFAIP3, an RA candidate gene, flanks this region, and polymorphisms in both the TNFAIP3 gene and the intergenic region are associated with systemic lupus erythematosus. We hypothesized that there is a similar association with RA, including polymorphisms in TNFAIP3 and the intergenic region. METHODS To test this hypothesis, we selected tag-single nucleotide polymorphisms (SNPs) in both loci. They were analyzed in 1,651 patients with RA and 1,619 control individuals of Spanish ancestry. RESULTS Weak evidence of association was found both in the 6q23 intergenic region and in the TNFAIP3 locus. The rs582757 SNP and a common haplotype in the TNFAIP3 locus exhibited association with RA. In the intergenic region, two SNPs were associated, namely rs609438 and rs13207033. The latter was only associated in patients with anti-citrullinated peptide antibodies. Overall, statistical association was best explained by the interdependent contribution of SNPs from the two loci TNFAIP3 and the 6q23 intergenic region. CONCLUSIONS Our data are consistent with the hypothesis that several RA genetic factors exist in the 6q23 region, including polymorphisms in the TNFAIP3 gene, like that previously described for systemic lupus erythematosus.

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BACKGROUND The prevalence of and risk factors for central nervous system recurrence in patients with acute promyelocytic leukemia are not well established and remain a controversial matter. DESIGN AND METHODS Between 1996 and 2005, 739 patients with newly diagnosed acute promyelocytic leukemia enrolled in two consecutive trials (PETHEMA LPA96 and LPA99) received induction therapy with all-trans retinoic acid and idarubicin. Consolidation therapy comprised three courses of anthracycline monochemotherapy (LPA96), with all-trans retinoic acid and reinforced doses of idarubicin in patients with an intermediate or high risk of relapse (LPA99). Central nervous system prophylaxis was not given. RESULTS Central nervous system relapse was documented in 11 patients. The 5-year cumulative incidence of central nervous system relapse was 1.7% (LPA96 3.2% and LPA99 1.2%; p=0.09). The cumulative incidence was 0%, 0.8%, and 5.5% in low-, intermediate-, and high-risk patients, respectively. Relapse risk score (p=0.0001) and the occurrence of central nervous system hemorrhage during induction (5-year cumulative incidence 18.7%, p=0.006) were independent risk factors for central nervous system relapse. CONCLUSIONS This study shows a low incidence of central nervous system relapse in patients with acute promyelocytic leukemia following therapy with all-trans retinoic acid and anthracycline without specific central nervous system prophylaxis. Central nervous system relapse was significantly associated with high white blood cell counts and prior central nervous system hemorrhage, which emerged as independent prognostic factors.

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Publicado en la página web de la Consejería de Igualdad, Salud y Políticas Sociales: www.juntadeandalucia.es/salud (Consejería de Igualdad, Salud y Políticas Sociales/ Profesionales / Nuestro Compromiso por la Calidad / Procesos Asistenciales Integrados)

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Publicado en la página web de la Consejería de Igualdad, Salud y Políticas Sociales: www.juntadeandalucia.es/salud (Consejería de Salud / Profesionales / Nuestro Compromiso por la Calidad / Procesos Asistenciales Integrados)

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INTRODUCTION We have hypothesized that incompatibility between the G1m genotype of the patient and the G1m1 and G1m17 allotypes carried by infliximab (INX) and adalimumab (ADM) could decrease the efficacy of these anti-tumor necrosis factor (anti-TNF) antibodies in the treatment of rheumatoid arthritis (RA). METHODS The G1m genotypes were analyzed in three collections of patients with RA totaling 1037 subjects. The first, used for discovery, comprised 215 Spanish patients. The second and third were successively used for replication. They included 429 British and Greek patients and 393 Spanish and British patients, respectively. Two outcomes were considered: change in the Disease Activity Score in 28 joint (ΔDAS28) and the European League Against Rheumatism (EULAR) response criteria. RESULTS An association between less response to INX and incompatibility of the G1m1,17 allotype was found in the discovery collection at 6 months of treatment (P = 0.03). This association was confirmed in the replications (P = 0.02 and 0.08, respectively) leading to a global association (P = 0.001) that involved a mean difference in ΔDAS28 of 0.4 units between compatible and incompatible patients (2.3 ± 1.5 in compatible patients vs. 1.9 ± 1.5 in incompatible patients) and an increase in responders and decrease in non-responders according to the EULAR criteria (P = 0.03). A similar association was suggested for patients treated with ADM in the discovery collection, but it was not supported by replication. CONCLUSIONS Our results suggest that G1m1,17 allotypes are associated with response to INX and could aid improved therapeutic targeting in RA.

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Objetivos: Identificar las desigualdades de género en las condiciones de empleo, en la exposición a factores de riesgo psicosocial y en los daños a la salud en los trabajadores asalariados del sector servicios, y examinar si los patrones son diferentes según la categoría ocupacional.

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El artículo profundiza en aspectos desconocidos de lo que fue la reimplantación del gobierno representativo en el Virreinato del Perú durante el Trienio Liberal. Para ello se seleccionan tres ciudades, el Cusco, Huamanga y Arequipa, que se mantuvieron hasta muy tarde leales a la Corona. La consulta de documentación generada por las tres corporaciones ha permitido reconstruir tres ejemplos de poder local a través de los procesos electorales, la composición de los ayuntamientos y el análisis de sus competencias. Se demuestra que el virrey La Serna gobernó según la Constitución de 1812 y se pone de manifiesto que existieron cambios y continuidades entre ayuntamientos españoles y municipalidades peruanas, porque permanecieron algunos actores y fórmulas de las instituciones hispanas

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Dysploidy and polyploidy are well documented in the large genus Centaurea, especially in sect. Acrocentron and in a small group of species from the Iberian Peninsula described as sect. Chamaecyanus, closely related to Acrocentron. We have explored two interesting cases of polyploid series in both sections: the polyploid series of Centaurea toletana in sect. Chamaecyanus and the series of C. ornata group in sect. Acrocentron. We have carried out a karyological study using both classic karyotype analyses and chromosome banding with fluorochromes.