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Static and dynamic characterization of composition cork for sandwich beam cores

Composition cork can be regarded as an interesting solution for light-damped sandwich panels. Despite the emergent interest on these materials for structural applications, there is a lack of information concerning its static and dynamic properties. This study presents a comparative study on a set of different experimental characterization methodologies applied on a selected agglomerated cork for vibration damping applications. The obtained results support the assumption of an air spring/viscous-based mechanism ruling the low-frequency behaviour of these materials. This assumed behaviour is a result from the observations of the cellular microstructure of natural and composition corks. Indicative values for the Young’s modulus, storage modulus and loss factor are provided as results from this study. In addition, a multilayer beam finite element, based on a mixed formulation, is proposed to be applied in an inverse characterization methodology and to be used also for the experimental validation tasks. The finite element proved to be efficient and accurate.(Not applicable

Planar and UV written channel optical waveguides prepared with siloxane poly(oxyethylene)-zirconia organic-inorganic hybrids. Structure and optical properties

Organic-inorganic hybrids were prepared using ureapropyltriethoxysilane, methacryloxypropyltrimethoxysilane and acrylic acid modified zirconium(IV) n-propoxide precursors and were characterized by small angle X-ray scattering, X-ray diffraction and photoluminescence spectroscopy. The results indicate an effective interaction between the zirconium-based nanoparticles and the siliceous nanodomains that induces changes in the hybrids' emission features. Planar waveguides were obtained by spin-coating of the prepared sols on sodalime and silica substrates. Refractive index, thickness, number of propagating modes, and attenuation coefficient were measured at 543.5, 632.8 and 1550 nm by the prism coupling technique. The synergism between the two hybrid precursors resulted in monomode planar waveguides with low losses in the infrared ( from 0.6-1.1 dB cm(-1)) which also support a number of propagating modes in the visible ( losses from 0.4-1.5 dB cm(-1)). Channel waveguides were also obtained by UV photopatterning using amplitude or phase masks and propagating modes were observed at 1550 nm

Crises hipertensivas em portadores de hipertensão arterial em tratamento ambulatorial Crisis hipertensivas en portadores de hipertensión arterial en tratamiento ambulatorio Hypertensive crises in bearers of arterial hypertension in ambulatorial treatment

O presente estudo avaliou as características sociodemográficas e de adesão terapêutica de 27 portadores de hipertensão arterial em tratamento ambulatorial que apresentaram crises de urgências ou emergências hipertensivas e haviam sido atendidos em uma unidade de leito-dia e em uma unidade de emergência da cidade de Fortaleza-Ceará, no período de outubro de 2002 a maio de 2003. A maioria era mulher, com idade de 50 a 60 anos, pouca escolaridade, tempo de tratamento inferior a cinco anos e tempo de diagnóstico entre cinco e dez anos. O uso dos remédios foi o tratamento mais referido, seguido pela redução do consumo de sal e comparecimento às consultas. No entanto, o fato de comparecerem às consultas e receberem orientação parece não modificar o comportamento, uma vez que a maioria dos entrevistados não praticava exercícios físicos e demonstrava deficiência no conhecimento sobre a doença, atribuindo a elevação da pressão arterial a fatores emocionais.<br>El presente estudio evaluó las características sociodemográficas y de adhesión terapéutica de 27 portadores de hipertensión arterial en tratamiento ambulatorio que presentaron crisis de urgencias o emergencias hipertensivas y habían sido atendidos en una unidad de internamiento diurno y en una unidad de emergencia de la ciudad de Fortaleza - Ceará, en el período de octubre del 2002 a mayo del 2003. La mayoría fue del sexo femenino, con edad de 50 a 60 años, poca escolaridad, tiempo de tratamiento inferior a cinco años y tiempo de diagnóstico entre cinco y diez años. El uso de los remedios fue el tratamiento más referido, seguido por la reducción del consumo de sal y asistencia a las consultas. Entre tanto, el hecho de asistir a las consultas y recibir orientación parece no modificar su comportamiento, pues la mayoría de los entrevistados no praticaba ejercicios físicos y demostraba falta de conocimiento sobre la enfermedad, atribuyendo la elevación de la presión arterial a factores emocionales.<br>This study assessed the socio-demographic characteristics and the characteristics of therapeutic adhesion of 27 bearers of arterial hypertension undergoing ambulatorial treatment who had hypertensive urgencies crises or emergencies in the city of Fortaleza in the period between October of 2002 and May of 2003. The majority were women, between 50 and 60-years old, with little formal education, treatment time shorter than 5 years and time of diagnosis varying from 5 to 10 years. The use of medicine was the treatment that was most mentioned, followed by the reduction of the consumption of salt and attendance to medical appointments. However, attending the appointments and receiving orientation did not seem to change their behavior, since most of the patients that were interviewed practiced no physical exercises and demonstrated little knowledge of the illness, for they attributed the rise of the arterial pressure to emotional factors

Dolor crónico no oncológico: proceso asistencial integrado. 2ª ed

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). Este proceso reemplaza a la 1ª edición, editada en 2007: http://hdl.handle.net/10668/1350.YesEl dolor crónico es un problema de alta prevalencia e impacto en las personas que lo padecen, en la sociedad y en los sistemas sanitarios de todos los países desarrollados. Para responder a este problema en nuestra comunidad, se puso en marcha en Andalucía en 2005 un proceso asistencial integrado, en concreto sobre el dolor crónico no oncológico. Desde entonces han aparecido nuevos avances en la evaluación y el tratamiento y se ha desarrollado y puesto en marcha el Plan Andaluz de Atención a Personas con Dolor. Todo lo cual ha llevado a revisar y reordenar el Proceso Asistencial Integrado Dolor Crónico no Oncológico a partir de una revisión de la evidencia disponible y de las líneas y proyectos marcados por dicho Plan. El objetivo de este trabajo es reordenar las actividades que realizan los distintos profesionales, la incorporación de la estrategia de seguridad del paciente, la información y el recorrido que seguirá el paciente durante su proceso y realizar un abordaje multidisciplinar y multimodal en el dolor crónico no oncológico de acuerdo con el mejor conocimiento científico disponible, las recomendaciones internacionales recientes y el Plan Andaluz de Atención a Personas con Dolor