1,184 research outputs found

    El cumplimento de los ODS y sus efectos en la rentabilidad económica en la empresa cotizada española

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    This paper presents a triple objective for a sample of listed Spanish companies. In the first place, this study aims to understand the implication of Spanish companies in the monitoring of the Sustainable Development Goals (SDG). Second, to know the main characteristics of the companies that follow a greater compliance with them. Finally, the study also examines the association between the disclosure of the SDGs in sustainability reports and the profitability of the Spanish company, exploring whether the companies involved in the presentation of SDG reports create greater value through greater transparency and commitment to society. Using a sample of Spanish listed companies for the period 2015-2017, made up of 318 observations, the results show that companies belonging to regulated sectors with high social impact, larger and with a better financial situation, are those that show greater concern about the disclosure of information on monitoring the SDGs. Our results show that this SDG disclosure by large listed Spanish companies does not have an immediate effect on short-term business profitability term.Este trabajo presenta un triple objetivo para una muestra de empresas españolas cotizadas. En primer lugar, el presente estudio pretende conocer la implicación de las empresas españolas en el seguimiento de los objetivos de desarrollo sostenible (ODS), y, en segundo lugar, conocer las principales características de las empresas que siguen un mayor cumplimiento de estos. Finalmente, el estudio además somete a examen la asociación entre la divulgación de los ODS en las memorias de sostenibilidad y la rentabilidad de la empresa española, explorando si las empresas involucradas en la presentación de informes de los ODS crean un mayor valor mediante su mayor transparencia y compromiso con la sociedad. Haciendo uso de una muestra de empresas cotizadas españolas para el periodo 2015-2017, compuesta por 318 observaciones, los resultados muestran que las empresas pertenecientes a sectores regulados y de alto impacto social, de mayor tamaño y con una mejor situación financiera, son las que muestran una mayor preocupación por la revelación de información sobre seguimiento de los ODS. A pesar del retorno positivo en la sociedad, en la economía y en el medio ambiente que tiene el seguimiento de los ODS, nuestros resultados evidencian que esta revelación de información por parte de las grandes empresas españolas cotizadas no tiene un efecto inmediato en la rentabilidad empresarial a corto plazo

    El territorio de la fabricación digital

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    Digital fabrication, as knowledge and production sphere, is claimed in many recent writings like a emancipator territory in front the great monopolistic and multinationals manufacturing systems. From some digital fabrication sectors, still minority, argue that these techniques can transcend the relation between the person and the object, the disciplinary segmentation ―at least the related to industrial design―, or that they will build infrastructures with informational codes about the physical objects around new communities. In this text, are going to be contrasted these potentialities with the more earthly conflicts and limitations that entrepreneurship implies in subjects linked with this area at the current context. For that, we are going to expose our project Ehcofab, an autonomous digital fabrication laboratory located in one of the more traditional artisan areas of Seville historic city centre. This written also allows us to strip the soul of our project to turn it into an open dialogue where our debates are still unfinished. We are aware our course will mark a way which is quite unknown for us, and in which new disputes will appear. The starting point is the April 2013, so our perspective about some misfortunes and disruptions reflected here, have taken shape or have been disfigured during the translation.La fabricación digital como campo de conocimiento y producción se reivindica en muchos textos recientes como un territorio de emancipación respecto al monopolio de los grandes sistemas de producción multinacionales. Desde ciertos sectores de la fabricación digital aún minoritarios se plantea que estas técnicas pueden trascender la relación entre la persona y el objeto, la segmentación disciplinaria ―al menos en lo relativo al diseño industrial―, o que van a construir infraestructuras con códigos de información de los objetos físicos en torno a nuevas comunidades.En este artículo vamos a contrastar estas potencialidades con los conflictos y limitaciones más terrenales que implica el emprendizaje en materias relacionadas con este área en el momento actual. Para ello vamos a exponer nuestro proyecto Ehcofab, un laboratorio de fabricación digital autónomo situado en una de las zonas de tradición artesanal del casco histórico de Sevilla. Este texto también nos permite desnudar el alma de nuestro proyecto para convertirlo en un diálogo abierto en el que nuestros debates están aún inacabados. Sabemos que nuestra andadura nos marcará un rumbo que para nosotros es todavía bastante incierto, y en el que aparecerán nuevos conflictos. El punto de partida es el mes de abril 2013, por lo que nuestra perspectiva sobre algunas desventuras y trastornos aquí reflejados han tomado cuerpo o se han desfigurado durante el trayecto

    Albino T-DNA tomato mutant reveals a key function of 1-deoxy-D-xylulose-5-phosphate synthase (DXS1) in plant development and survival

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    [EN] Photosynthetic activity is indispensable for plant growth and survival and it depends on the synthesis of plastidial isoprenoids as chlorophylls and carotenoids. In the non-mevalonate pathway (MEP), the 1-deoxy-D-xylulose-5-phosphate synthase 1 (DXS1) enzyme has been postulated to catalyze the ratelimiting step in the formation of plastidial isoprenoids. In tomato, the function of DXS1 has only been studied in fruits, and hence its functional relevance during plant development remains unknown. Here we report the characterization of the wls-2297 tomato mutant, whose severe deficiency in chlorophylls and carotenoids promotes an albino phenotype. Additionally, growth of mutant seedlings was arrested without developing vegetative organs, which resulted in premature lethality. Gene cloning and silencing experiments revealed that the phenotype of wls-2297 mutant was caused by 38.6 kb-deletion promoted by a single T-DNA insertion affecting the DXS1 gene. This was corroborated by in vivo and molecular complementation assays, which allowed the rescue of mutant phenotype. Further characterization of tomato plants overexpressing DXS1 and comparative expression analysis indicate that DXS1 may play other important roles besides to that proposed during fruit carotenoid biosynthesis. Taken together, these results demonstrate that DXS1 is essentially required for the development and survival of tomato plants.This work was supported by research grants from the Spanish Ministry of Economy and Competitiveness and the UE-European Regional Development Fund (AGL2015-64991-C3-1-R, and AGL2015-64991-C3-3-R), and Junta de Andalucia (P12-AGR-1482). PhD fellowship to M.G.-A. was funded by the FPU Programme of the Spanish Ministry of Science and Innovation. The authors thank research facilities provided by the Campus de Excelencia Internacional Agroalimentario (CeiA3).Garcia-Alcazar, M.; Giménez Caminero, ME.; Pineda Chaza, BJ.; Capel, C.; García Sogo, B.; Sánchez Martín-Sauceda, S.; Yuste-Lisbona, FJ.... (2017). Albino T-DNA tomato mutant reveals a key function of 1-deoxy-D-xylulose-5-phosphate synthase (DXS1) in plant development and survival. Scientific Reports. 7:1-12. https://doi.org/10.1038/srep45333112

    A survey of the European Open Science Cloud services for expanding the capacity and capabilities of multidisciplinary scientific applications

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    Open Science is a paradigm in which scientific data, procedures, tools and results are shared transparently and reused by society as a whole. The initiative known as the European Open Science Cloud (EOSC) is an effort in Europe to provide an open, trusted, virtual and federated computing environment to execute scientific applications, and to store, share and re-use research data across borders and scientific disciplines. Additionally, scientific services are becoming increasingly data-intensive, not only in terms of computationally intensive tasks but also in terms of storage resources. Computing paradigms such as High Performance Computing (HPC) and Cloud Computing are applied to e-science applications to meet these demands. However, adapting applications and services to these paradigms is not a trivial task, commonly requiring a deep knowledge of the underlying technologies, which often constitutes a barrier for its uptake by scientists in general. In this context, EOSC-SYNERGY, a collaborative project involving more than 20 institutions from eight European countries pooling their knowledge and experience to enhance EOSC\u27s capabilities and capacities, aims to bring EOSC closer to the scientific communities. This article provides a summary analysis of the adaptations made in the ten thematic services of EOSC-SYNERGY to embrace this paradigm. These services are grouped into four categories: Earth Observation, Environment, Biomedicine, and Astrophysics. The analysis will lead to the identification of commonalities, best practices and common requirements, regardless of the thematic area of the service. Experience gained from the thematic services could be transferred to new services for the adoption of the EOSC ecosystem framework

    High-Sensitivity Troponin T and Soluble Form of AXL as Long-Term Prognostic Biomarkers after Heart Transplantation

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    Cardiac allograft vasculopathy (CAV) is a frequent complication limiting the long-term (>1 year) survival after heart transplantation (HTx). CAV is initiated by endothelial dysfunction and can lead to severe cardiovascular (CV) complications. Since CAV is often clinically silent, biomarkers could help identifying HTx patients at risk of CAV and their severe complications. Evaluate the clinical yield of high-sensitivity cardiac troponin T (hs-cTnT), marker of cardiomyocyte damage, and the soluble form of AXL (sAXL), biomarker of endothelial dysfunction, to assess the prognosis of long-term cardiovascular (CV) events occurring after HTx. 96 patients were evaluated at least > 1 year after HTx. CAV was evaluated by coronary angiography or multisliced tomography, and hs-cTnT and sAXL measured 6 months before or after CAV evaluation. Patients were followed during 42 ± 15 months for a combined end point including cardiac death, angina or acute myocardial infarction, left ventricular ejection fraction 21 ng/L (p<0.001). Hs-cTnT, but not sAXL, measured during the long-term follow-up of HTx patients appears as a helpful biomarker to identify patients at low risk of adverse CV outcomes

    A 3-biomarker 2-point-based risk stratification strategy in acute heart failure

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    [Abstract] Introduction and Objectives: Most multi-biomarker strategies in acute heart failure (HF) have only measured biomarkers in a single-point time. This study aimed to evaluate the prognostic yielding of NT-proBNP, hsTnT, Cys-C, hs-CRP, GDF15, and GAL-3 in HF patients both at admission and discharge. Methods: We included 830 patients enrolled consecutively in a prospective multicenter registry. Primary outcome was 12-month mortality. The gain in the C-index, calibration, net reclassification improvement (NRI), and integrated discrimination improvement (IDI) was calculated after adding each individual biomarker value or their combination on top of the best clinical model developed in this study (C-index 0.752, 0.715–0.789) and also on top of 4 currently used scores (MAGGIC, GWTG-HF, Redin-SCORE, BCN-bioHF). Results: After 12-month, death occurred in 154 (18.5%) cases. On top of the best clinical model, the addition of NT-proBNP, hs-CRP, and GDF-15 above the respective cutoff point at admission and discharge and their delta during compensation improved the C-index to 0.782 (0.747–0.817), IDI by 5% (p < 0.001), and NRI by 57% (p < 0.001) for 12-month mortality. A 4-risk grading categories for 12-month mortality (11.7, 19.2, 26.7, and 39.4%, respectively; p < 0.001) were obtained using combination of these biomarkers. Conclusion: A model including NT-proBNP, hs-CRP, and GDF-15 measured at admission and discharge afforded a mortality risk prediction greater than our clinical model and also better than the most currently used scores. In addition, this 3-biomarker panel defined 4-risk categories for 12-month mortality.Instituto de Salud Carlos III; RD06-0003-0000Instituto de Salud Carlos III; RD12/0042/000

    Left atrial geometry and outcome of atrial fibrillation ablation: results from the multicentre LAGO-AF study

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    Aims: Left atrial (LA) remodelling is a key determinant of atrial fibrillation (AF) ablation outcome. Optimal methods to assess this process are scarce. LA sphericity is a shape-based parameter shown to be independently associated to procedural success. In a multicentre study, we aimed to test the feasibility of assessing LA sphericity and evaluate its capability to predict procedural outcomes. Methods and results: This study included consecutive patients undergoing first AF ablation during 2013. A 3D model of the LA chamber, excluding pulmonary veins and LA appendage, was used to quantify LA volume (LAV) and LA sphericity (≥82.1% was considered spherical LA). In total, 243 patients were included across 9 centres (71% men, aged 56 ± 10 years, 44% with hypertension and 76% CHA2DS2-VASc ≤ 1). Most patients had paroxysmal AF (66%) and underwent radiofrequency ablation (60%). Mean LA diameter (LAD), LAV, and LA sphericity were 42 ± 6 mm, 100 ± 33 mL, and 82.6 ± 3.5%, respectively. Adjusted Cox models identified paroxysmal AF [hazard ratio (HR 0.54, P = 0.032)] and LA sphericity (HR 1.87, P = 0.035) as independent predictors for AF recurrence. A combined clinical-imaging score [Left Atrial Geometry and Outcome (LAGO)] including five items (AF phenotype, structural heart disease, CHA2DS2-VASc ≤ 1, LAD, and LA sphericity) classified patients at low (≤2 points) and high risk (≥3 points) of procedural failure (35% vs. 82% recurrence at 3-year follow-up, respectively; HR 3.10, P < 0.001). Conclusion: In this multicentre, real-life cohort, LA sphericity and AF phenotype were the strongest predictors of AF ablation outcome after adjustment for covariates. The LAGO score was easy to implement, identified high risk of procedural failure, and could help select optimal candidates. Clinical Trial Registration Information: NCT02373982 (http://clinicaltrials.gov/ct2/show/NCT02373982)

    Cardiac magnetic resonance outperforms echocardiography to predict subsequent implantable cardioverter defibrillator therapies in ST-segment elevation myocardial infarction patients

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    Altres ajuts: Conselleria de Educación-Generalitat Valenciana (PROMETEO/2021/008); Sociedad Española de Cardiología (Grant SEC/FEC-INVCLI 21/024)Implantable cardioverter defibrillators (ICD) are effective as a primary prevention measure of ventricular tachyarrhythmias in patients with ST-segment elevation myocardial infarction (STEMI) and depressed left ventricular ejection fraction (LVEF). The implications of using cardiac magnetic resonance (CMR) instead of echocardiography (Echo) to assess LVEF prior to the indication of ICD in this setting are unknown. We evaluated 52 STEMI patients (56.6 ± 11 years, 88.5% male) treated with ICD in primary prevention who underwent echocardiography and CMR prior to ICD implantation. ICD implantation was indicated based on the presence of heart failure and depressed LVEF (≤ 35%) by echocardiography, CMR, or both. Prediction of ICD therapies (ICD-T) during follow-up by echocardiography and CMR before ICD implantation was assessed. Compared to echocardiography, LVEF was lower by cardiac CMR (30.2 ± 9% vs. 37.4 ± 7.6%, p < 0.001). LVEF ≤ 35% was detected in 24 patients (46.2%) by Echo and in 42 (80.7%) by CMR. During a mean follow-up of 6.1 ± 4.2 years, 10 patients received appropriate ICD-T (3.16 ICD-T per 100 person-years): 5 direct shocks to treat very fast ventricular tachycardia or ventricular fibrillation, 3 effective antitachycardia pacing (ATP) for treatment of ventricular tachycardia, and 2 ineffective ATP followed by shock to treat ventricular tachycardia. Echo-LVEF ≤ 35% correctly predicted ICD-T in 4/10 (40%) patients and CMR-LVEF ≤ 35% in 10/10 (100%) patients. CMR-LVEF improved on Echo-LVEF for predicting ICD-T (area under the curve: 0.76 vs. 0.48, p = 0.04). In STEMI patients treated with ICD, assessment of LVEF by CMR outperforms Echo-LVEF to predict the subsequent use of appropriate ICD therapies
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