115 research outputs found

    La rehabilitación del mundo emocional en la modernidad. Los predecesores de la ética cartesiana. El estoicismo moderno

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    La ética cartesiana se constituye como una nueva propuesta moral cuyo objetivo es el fortalecimiento del sujeto sobre la rehabilitación de la dignidad de la dimensión emocional del hombre. Conocer y controlar las pasiones tiene como consecuencia la auténtica felicidad del sujeto y el desplazamiento del otro a un segundo plano. La modernidad de esta propuesta se asienta sobre la influencia de autores que reflexionaron previamente sobre ellas y las rehabilitaron. Entre ellos, los estoicos modernos, Justo Lipsio, Guillaume du Vair y Pierre Charron reforman en profundidad el ideal apático heredado.Cartesian Ethics is made up as a new moral proposal whose aim is to strengthen the self supported by the rehabilitation of the dignity of the human emotional dimension. The consequence of knowing and controlling passions is the individual’s true happiness and the displacement of the fellow man into the background. The modernity of this proposal is set up by the influence of some authors that previously reflected on them and rehabilitated them. Amongst these authors, the modern stoics, Justus Lipsius, Guillaume du Vair and Pierre Charron, reformed the inherited apathetic ideal

    Dios en la ética cartesiana. La devoción en la teoría de las pasiones

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    El presente trabajo pretende exponer el papel que la idea de Dios ocupa en la moral cartesiana. La concepción de un Dios responsable de un orden racional universal y la solución al problema del mal fundamentan una visión de felicidad asociada a la virtud, entendida como control racional de las pasiones. La devoción, pasión derivada del amor, es considerada por Descartes como la más útil que el hombre puede experimentar, pues contribuye al fortalecimiento del sujeto pensante, a la denominada ‘generosidad’, auténtico objetivo de la ética cartesiana.This work intends to point out the role that the idea of God has in Cartesian morals. Both the conception of a God responsible of an universal rational order and the solution to evil question are the grounds for the idea of happiness related to the virtue understood as rational control of passions. Devotion, passion derived from love, is considered by Descartes as the most useful passion that man can experience, as it contributes to the strengthening of the thinking subject, to the so-called ‘generosity’, the true objective of Cartesian ethics

    Influence of the plasticizer on rice bran-based eco-friendly bioplastics obtained by injection moulding

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    The manufacture of eco-friendly bioplastic materials from renewable resources to replace petroleum-based plastics has attracted increasing attention. For many years, proteins, lipids and polysaccharides have been proposed as natural biopolymers sources to obtain biodegradable plastic materials. As by-product from the rice industry, rice bran, is an available and non-expensive resource of both proteins and starches, food groups that, properly processed, can be employed in the development of bioplastics. Plasticizers are essential for the manufacture of bioplastics and, when carbohydrate/protein mixtures are used, an adequate selection of plasticizers must be addressed. By these means, a material suitable for thermo-mechanical processing methods is obtained if starches are subjected to shear forces under high temperatures and water excess (gelatinisation). Moreover, additional polyol-based plasticizers, such as glycerol and sorbitol, allow obtaining reinforced products with improved elasticity when protein-based bioplastics are processed. The aim of the present study was to analyse the plasticizing effect of water combined with different proportions of glycerol or sorbitol, as well as their influence on the final bioplastic properties. Results indicate that higher water ratios produce stiffer bioplastics with improved viscoelastic moduli, maximum stress and Young´s modulus, while increasing the glycerol and sorbitol content leads to higher elasticities and water uptake capacities in general. Moreover, sorbitol seems to provide more suitable bioplastics with better tensile (up to 500% in Young´s modulus) and functional properties compared to glycerol.Ministerio de Ciencia e Innovación y FEDER RTI2018-097100-B-C2

    Rice Bran-Based Bioplastics: Effects of Biopolymer Fractions on Their Mechanical, Functional and Microstructural Properties

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    Rice bran is an underutilized by-product of rice production, containing proteins, lipids and carbohydrates (mainly starches). Proteins and starches have been previously used to produce rice bran-based bioplastics, providing a high-added-value by-product, while contributing to the development of biobased, biodegradable bioplastics. However, rice bran contains oil (18–22%), which can have a detrimental effect on bioplastic properties. Its extraction could be convenient, since rice bran oil is becoming increasingly attractive due to its variety of applications in the food, pharmacy and cosmetic industries. In this way, the aim of this work was to analyze the effect of the different components of rice bran on the final properties of the bioplastics. Rice bran refining was carried out by extracting the oil and fiber fractions, and the effects of these two procedures on the final properties were addressed with mechanical, functional and microstructural measures. Results revealed that defatted rice bran produced bioplastics with higher viscoelastic moduli and better tensile behavior while decreasing the water uptake capacity and the soluble matter loss of the samples. However, no significant improvements were observed for systems produced from fiber-free rice bran. The microstructures observed in the SEM micrographs matched the obtained results, supporting the conclusions drawn

    CONSOLE Project - Deliverable 6.1 - "Project website"

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    This document consists of Task 6.2 (Website, Hub and communication materials) in the framework of WP6 (Dissemination and outreach) and Deliverable 6.1 Project Website. The main aim will be to boost the impact of the project, through communicating the knowledge and results of the project. The project will target a wide range of audiences in order to link research, evidence-based policy and public awareness. Communication activities, such as workshops, social media accounts and websites have been discussed in this plan as well as identified actors and stakeholders in order to effectively promote innovation in delivery of agri-environmental climate public goods (AECPG) by EU agriculture and forestry. This is a living document and will be continuously updated according to CONSOLE’s progress

    Effects of Mould Temperature on Rice Bran-Based Bioplastics Obtained by Injection Moulding

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    The high production rate of conventional plastics and their low degradability result in severe environmental problems, such as plastic accumulation and some other related consequences. One alternative to these materials is the production of oil-free bioplastics, based on wastes from the agro-food industry, which are biodegradable. Not only is rice bran an abundant and non-expensive waste, but it is also attractive due to its high protein and starch content, which can be used as macromolecules for bioplastic production. The objective of this work was to develop rice-bran-based bioplastics by injection moulding. For this purpose, this raw material was mixed with a plasticizer (glycerol), analysing the effect of three mould temperatures (100, 130 and 150 °C) on the mechanical and microstructural properties and water absorption capacity of the final matrices. The obtained results show that rice bran is a suitable raw material for the development of bioplastics whose properties are strongly influenced by the processing conditions. Thus, higher temperatures produce stiffer and more resistant materials (Young’s modulus improves from 12 ± 7 MPa to 23 ± 6 and 33 ± 6 MPa when the temperature increases from 100 to 130 and 150 °C, respectively); however, these materials are highly compact and, consequently, their water absorption capacity diminishes. On the other hand, although lower mould temperatures lead to materials with lower mechanical properties, they exhibit a less compact structure, resulting in enhanced water absorption capacity.Ministerio de Ciencia e Innovación of the Spanish Government and FEDER (UE), grant number RTI2018-097100-B-C2

    Influence of stress control in the sports performance: self-confidence, anxiety and concentration in athletes

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    En esta investigación se realiza un estudio sobre el control del estrés en deportistas, utilizando como muestra 100 jugadores de fútbol semiprofesionales. Se parte de la consideración de que controlar el estrés para no llegar a estados de ansiedad es imprescindible, ya que alcanzar estos estados provoca efectos negativos en otras variables psicológicas del deportista, disminuyendo su autoconfianza y perjudicando el control atencional. El objetivo de esta investigación es describir los niveles de ansiedad, autoconfianza y atención-concentración en futbolistas semiprofesionales, mediante el análisis de la variable psicológica control del estrés. El instrumento utilizado para el estudio es la escala control del estrés del cuestionario de Características Psicológicas relacionadas con el Rendimiento Deportivo (CPRD). Como conclusiones del estudio, cabe destacar que desarrollar la habilidad psicológica de control del estrés, previene alcanzar estados de ansiedad y como consecuencia, posibilita mantener elevada la autoconfianza y una buena capacidad de atención-concentración durante la competición.In this research, a study on stress management in athletes is carried out with a sample of 100 semi-professional football players. Stress control is essential for avoiding a state of anxiety, as this state may have negative effects on other psychological variables of athletes, decreasing their self-confidence and harming their attentional control. The objective of this research is to describe anxiety, self-confidence, and attention-concentration levels in semi-professional footballers by means of analysing stress control. The instrument used for the study is the stress control scale from the Psychological Characteristics related to Sports Performance (CPRD) questionnaire. As a conclusion, it is noteworthy that developing the psychological ability of controlling stress prevents the appearance of anxiety states, allowing athletes to maintain high self-confidence and good attentionconcentration capacity during competitions

    Neurodiseño y neurousabilidad de automóviles. Una propuesta desde la ingeniería neurokansei-chisei

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    En este trabajo de investigación se plantea una innovación metodológica en los procesos de diseño y desarrollo de productos industriales, con enfoque en el usuario. El objetivo central es el planteamiento de un modelo de orientación neurocientífica para la aplicación de la Ingeniería Kansei-Chisei al diseño de productos en el sector del automóvil. Esta propuesta participa en la ampliación del concepto de ergonomía aplicada a productos y a entornos de trabajo, la cual ha evolucionado desde los conceptos de ergonomía clásica o ergonomía física hacia otros ámbitos relacionados con la incorporación e interacción emocional y racional del diseño. En el ámbito de la ergonomía, el diseño productos ha evolucionado de una concepción racional centrada exclusivamente en la eficiencia práctica, a planteamientos de concepción emocional mediante la incorporación de soluciones de diseño afectivo por Ingeniería Kansei. El objetivo final de la Ingeniería Kansei Chisei es establecer la relación entre emoción, razón y propiedades vehículo, de tal manera que los resultados puedan ser utilizados para mejorar el confort y la eficiencia del producto.In this research work, is proposed a methodological innovation in the design and development processes of industrial products, with a focus on the user. The central aim is the approach of a neuroscientific orientation model for the application of Kansei-Chisei Engineering to the design of products in the automotive sector. This proposal participates in the expansion of the concept of ergonomics applied to products and work environments, which has evolved from the concepts of classical ergonomics or physical ergonomics to other areas related to the incorporation and emotional and rational interaction of design. In the field of ergonomics, product design has evolved from a rational conception focused exclusively on practical efficiency, to approaches of emotional conception through the incorporation of affective design solutions by Kansei Engineering. The final objective of the Kansei-Chisei Engineering is to establish the relationship between emotion, reason and vehicle properties, in such a way that the results can be used to improve the comfort and efficiency of the product.Plan Propio de la Universidad de Sevilla Proyecto: 2017/0000096

    Determinación de predictores asociados a sangrado intraoperatorio y comportamiento transfusional durante transplante hepático en la Fundación Cardioinfantil

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    La identificación de factores asociados a mayores requerimientos transfusionales preoperatorios e intraoperatorios en pacientes llevados a trasplante hepático, ha sido preocupación de diferentes instituciones que realizan este tipo de procedimiento debido al sangrado excesivo con el que se asocian; Diferentes estudios de otros países han identificado algunas variables relacionadas con el sangrado tanto en preoperatorio como en el intraoperatorio. Demostrar estas variables o definir otras en los procedimientos realizados en nuestro medio es importante para optimizar el número de transfusiones en este tipo de pacientes. Este estudio se trata de una cohorte de tipo retrospectivo, observacional que pretende encontrar asociaciones entre factores preoperatorios e intraoperatorios con mayores requerimientos transfusionales. Los pacientes que cumplieron los criterios de inclusión fueron tabulados en una tabla de Excel tomando datos de las historias clínicas. El grupo fue dividido en 2, aquellos que requirieron 4 o más unidades de GRE (glóbulos rojos empaquetados) y menos de 4 unidades de GRE. Se realizo un análisis bivariado y con los factores estadísticamente significativos se diseño un análisis multivariado. La información fue tabulada teniendo en cuenta las variables identificadas en la literatura como asociadas con sangrado intraoperatorio e incluimos otras que nos pareció interesante evaluar como el efecto de los antifibrinoliticos y el impacto del uso de tromboelastografo (TEG). Los datos obtenidos al ser analizados demuestran que factores preoperatorios tales como niveles de hematocrito menor de 30 gm/dl y la albumina menor de 3mg/dl, se asocian con mayores requerimientos transfusionales de GRE en pacientes llevados a trasplante hepático. Así mismo se observa un índice transfusional bajo en este tipo de procedimiento en la Fundación Cardioinfantil al compararlo con los promedios encontrados en estudios similares de otras instituciones.The identification of factors associated with higher preoperative and intraoperative transfusion requirements in patients led to liver transplantation, has been concern from different institutions that perform this procedure due to excessive bleeding associated with; various studies from other countries have identified certain variables bleeding-related both in preoperative and the intraoperative. Demonstrate or define these variables in other procedures performed in our environment is important to optimize the number of transfusions in these patients. This study is a retrospective cohort rate, observational study aimed to find associations between preoperative and intraoperative transfusion requirements in more. Patients who met the inclusion criteria were tabulated in an Excel table taking data from medical 8 records. The group was divided in two, those who required four or more units of GRE (packed red blood cells) and less than four units of GRE. A bivariate analysis was conducted and the design factors are statistically significant multivariate analysis. The information was tabulated, taking into account the variables identified in the literature as being associated with intraoperative bleeding and include others that seemed interesting to evaluate the effect of the antifibrinolytic and the impact of using thromboleastograph (TEG). The data obtained show that once analyzed preoperative factors such as hematocrit levels below 30 gm / dl and albumin less than 3mg/dl, are associated with higher transfusion requirements taken GRE in liver transplant patients. Also there is a low transfusion rate in this type of procedure in the foundation Cardioinfantil when compared with the average found in similar studies from other institutions
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