Search results for "MICI"

Las hormigas (Hymenoptera, Formicidae) asociadas a pulgones (Hemiptera, Aphididae) en la provincia de Valencia

2002

Twenty-six species of ants associated with aphids, belonging to twelve genera, are collected. Three subfamilies are identified, being the Formicinae the more represented about number of samples, genera and species. On the other hand, <i>Lasius niger</i> has been the species that is found with a more number of aphids (fifty eight species), and it seems to be the ant with a more capacity to establish associations with the different species of aphids. 224 different associations between the ants and the aphids are established and 164 of them are not recorded in the bibliography consulted for Spain.<br><br>Se han recogido veintiséis especies de hormigas asociadas a pulgon…

Xyloglucan self-assembled nanostructures and gels for biomedical applications

Oxygen transfer performance of unbaffled stirred vessels in view of their use as biochemical reactors for animal cell growth

2012

Cultivation of microorganisms, plants or animal cells requires liquid agitation in order to ensure oxygen and nutrient transfer and to maintain cell suspension. However, In such suspensions both mechanical agitation and sparging aeration can cause cell death. Many studies on animal cell damage due to mechanical agitation and sparging aeration have shown that mechanical damage of freely suspended animal cells is in most cases associated with bursting bubbles at the air–liquid interface (Barrett et al., 2010, Nienow et al., 1996). Gas bubbles are usually generated by direct air sparging to propagate oxygen in a culture suspension. Mechanical agitation may also introduce gas bubbles to the cul…

Technologies for cultivation and exploitation of microalgae in industrial applications

2020

This thesis work is focused on technologies for the development of the microalgal industry. During this 3-years PhD work several themes were addressed. Section 1 consists in a literature review concerning the general features of microalgae, their composition and a description of the photosynthetic process. Furthermore, themes such as biosynthetic pathways, growth kinetics, microalgae cultivation and their applications are reviewed. Section 2 focuses on the genetic manipulation of microalgae aimed at producing a vitamin B12-enriched food supplement. In this case, the human intrinsic factor gene, was inserted in the genome of the microalgae Chlamydomonas reinardhtii in order to integrate new …

Brookite, the least known TiO2 photocatalyst, Catalysts

2013

Brookite is the least studied TiO2 photocatalyst due to the difficulties usually encountered in order to obtain it as a pure phase. In this review, a comprehensive survey of the different methods available for preparing brookite powders and films is reported. Attention has been paid both to the most traditional methods, such as hydrothermal processes at high temperatures and pressures, and to environmentally benign syntheses using water soluble compounds and water as the solvent. Papers reporting the photocatalytic activity of pure and brookite-based samples have been reviewed.

Experience in Spain with the first patients in home hemodialysis treated with low-flow dialysate monitors

2021

Resumen La hemodialisis domiciliaria (HDD) con monitores de bajo flujo de liquido de dialisis ha ganado popularidad en los ultimos anos gracias a su sencillez de diseno, portabilidad y capacidad de desplazamiento. No obstante, existen dudas respecto a la adecuacion que este tipo de tecnica ofrece, pues utiliza monitores con bano a flujos bajos y lactato. El objetivo de este estudio fue demostrar los beneficios clinicos de la HDD con el monitor NxStage System One® introducido recientemente en Espana. Presentamos los resultados de un estudio observacional, retrospectivo que incluyo de manera no seleccionada a los primeros pacientes con HDD corta mediante este monitor en 12 centros en Espana. …

Incidencia del programa de entrenamiento cognitivo EFAM-UV(C) en pacientes de la unidad de hospitalización a domicilio

2017

La actividad física juega un papel beneficioso en la prevención y mejora de la sintomatología de ciertas enfermedades propias de los ancianos pluripatológicos, crónicos y paliativos. Se requiere de programas de entrenamiento individualizados y específicos que promuevan su mejora física y mayor calidad de vida, eviten sus continuos (re)ingresos hospitalarios y disminuyan los costes personales, económicos y socio-sanitarios que estos llevan asociados. La presente tesis tiene como objeto evaluar los efectos de un programa de entrenamiento neuromuscular domiciliario sobre la capacidad física y funcional, la calidad de vida, el nivel de actividad física y el sedentarismo en una muestra de 17 adu…

Max Weber and Joseph Schumpeter: the Capitalist Entrepreneur between Ethics and the Market

2005

Schumpeter: the capitalist entrepreneur and the crisis of capitalism. Max Weber: capitalist firm, entrepreneur and risk of capitalism''s crisis. Keynes''s dilemma: enterprise and speculation.

Blanqueamiento vital domiciliario: comparación de tratamientos con peróxido de hidrógeno y peróxido de carbamida

2006

El blanqueamiento de los dientes vitales que realiza el/la paciente domiciliariamente con férulas bajo supervisión del/de la dentista es una alternativa interesante entre las que integran este tipo de terapéutica odontológica, ya sea, de forma aislada o combinada con alguna de las modalidades de tratamiento en la consulta. En este procedimiento blanqueador se usan peróxidos de baja concentración que se aplican sobre el esmalte dentario mediante una cubeta individualizada especialmente diseñada para ello. El objetivo del presente trabajo es analizar y comparar dos productos blanqueadores comerciales de diferente concentración indicados para esta técnica, VivaStyle (Vivadent) y FKD (Kin); el …

(Photo)electrocatalytic Versus Heterogeneous Photocatalytic Carbon Dioxide Reduction

2021

The present review summarizes some of the main results achieved in electrochemical, photocatalytic, and (photo)-electrocatalytic systems for the reduction of carbon dioxide. After a preliminary survey of the electrocatalytic and photocatalytic systems in terms of materials used, efficiencies, operating conditions, and product distribution, it is shown how the combination of the two approaches affords often higher efficiency than the single technologies and allows better control of the product distribution. In fact, the peculiar energetic distribution at the interface of irradiated semiconductors under opportune electrical bias enables enhancement of the spatial separation of the photogenera…