Search results for "plata"
showing 10 items of 104 documents
Management of Kidney Transplantation in a Factor VII-Deficient Patient: Case Report
2012
Transplantation in patients with congenital bleeding disorders is a challenge requiring an integrated approach of various specialists. Renal transplantation, the most frequent type of solid organ transplantation, is rarely performed in individuals with congenital hemorrhagic disorders. We performed a renal transplantation in a 53-year-old man with end-stage renal disease and congenital coagulation factor VII deficiency, a rare bleeding disorder with a peculiar clinical picture requiring replacement therapy in surgical interventions. Perioperative bleeding was successfully prevented by administration of recombinant activated factor VII. Treatment schedule, administration rate, and long-term …
Fe3O4@Au@mSiO2 as an enhancing nanoplatform for Rose Bengal photodynamic activity
2017
A novel nanoplatform composed of three types of materials with different functionalities, specifically core-shell Fe3O4@Au nanoparticles encapsulated near the outer surface of mesoporous silica (mSiO2) nanoparticles, has been successfully synthesised and used to enhance the efficiency of a photosensitiser, namely Rose Bengal, in singlet oxygen generation. Fe3O4 is responsible for the unusual location of the Fe3O4@Au nanoparticle, while the plasmonic shell acts as an optical antenna. In addition, the mesoporous silica matrix firmly encapsulates Rose Bengal by chemical bonding inside the pores, thus guaranteeing its photostability, and in turn making the nanosystem biocompatible. Moreover, th…
Performance increase of membrane distillation pilot scale modules operating in vacuum-enhanced air-gap configuration
2019
Abstract This paper presents the first experimental evaluation at pilot scale of the operation of vacuum-enhanced air-gap membrane distillation (V-AGMD) using two commercial spiral-wound modules at Plataforma Solar de Almeria's solar desalination test facilities. The main difference between the modules was the channel length (1.5 and 2.7 m) as a result of having different membrane surface area (7.2 m2 and 25.9 m2 respectively) and different number of envelopes. Suction of air from the gap improved the vapour transfer through the membrane pores and the performance of the modules was significantly increased in relation to common air-gap (AGMD) operational mode, especially in the treatment of …
Competid malditos!
1998
Sobre AECE y Consejo de Europa
2002
Es una carta al director de José Vidal-Beneyto que trata temas relacionados con la Asociación Española de Cooperación Europea (AECE) y la entrada de España en el Consejo de Europa. Se desconoce si llegó a publicarse y en qué periódico.
Plataformas digitales y contratación electrónica: conflictos derivados y métodos de resolución
2022
El presente artículo parte de la noción de economía colaborativa en el marco del comercio electrónico; un concepto difuso que se entrelaza con otros como el de economía de plataformas y que al mismo tiempo cuenta con ciertas variantes como la de consumo colaborativo. En este entorno confuso, analizamos los sujetos implicados que participan en las formas de contratar electrónicamente dentro de dicha economía de plataformas, planteando los tipos de relaciones contractuales que existen entre ellos para posteriormente centrarnos en las formas de solucionar los conflictos que deriven de dicha situación. En este punto, prestamos especial atención a las posibilidades de aplicar distintos mecanismo…
Los cuidados a domicilio y las plataformas digitales en España
2021
Heuristics for solving the parameter tuning problem in motion cueing algorithms.
2017
[ES] Diversos tipos de plataformas robóticas son empleadas habitualmente para la generación de claves gravito-inerciales en simuladores. Además del control de los actuadores, dichas plataformas deben ejecutar complejos algoritmos de control conocidos como algoritmos de washout, que deben ser ajustados para que el movimiento generado sea similar al simulado. El ajuste de dichos algoritmos es complejo por el elevado número de parámetros que poseen. Además, dicho ajuste se ha venido realizando tradicionalmente de modo manual mediante evaluaciones subjetivas. En este trabajo, los autores proponen un método automático de ajuste basado en optimización heurística, métricas objetivas, y simulación …
Nutrient versus pollination limitation in Platanthera bifolia and Dactylorhiza incarnata (Orchidaceae)
2000
Availability of resources and pollination services have been demonstrated to have impact on reproductive success in some orchid species, but to our knowledge no studies have examined the effects of nutrient application and pollination limitation in the same experiment. In this study, factors limiting reproductive success were studied with two terrestrial orchid species in Central Finland during 1996 and 1997. In a field experiment using a factorial design, plants of nectar-producing Platanthera bifolia and nectarless Dactylorhiza incarnata were treated with nutrient application and hand-pollination. Inflorescence size was considered as an indicator of attractiveness to pollinators as well a…
Cursos en línea masivos y abiertos en educación superior. Un análisis desde su oferta
2016
Purpose: The aim of this study is to analyze the factors influencing the MOOC supply level. Specifically, this paper analyzes certain internal and strategic factors associated with universities, such as prestige, public or private status, age, size (measured by the number of faculty members or students) and region. Design/methodology: We apply a descriptive methodology and then use multivariate analysis to test five hypotheses related to the institutional profile of 151 universities in 29 countries. Empirical evidence is provided from universities offering MOOCs through the four of the most commonly used private global platforms that emerged as part of the booming MOOC movement (Udacity, Co…