1000 resultados para FLUJO DE FONDOS
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Aquest treball de final de carrera inclou el desenvolupament d'un programari que permet xifrar arxius utilitzant un algorisme de flux. El desenvolupament del programari ha estat dividit en tres parts, el generador de números aleatoris, l'aplicació de l'algorisme de xifrat on s'han aplicat les tècniques adients de criptografia i la interfície gràfica per l'usuari.
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El programa INERCIPHER és una aplicació per realitzar el xifrat i desxifrat dels arxius i per verificar la integritat dels documents. Com a base per desenvolupar aquestes funcionalitats han estat utilitzats dos tipus de xifrat de clau compartida: xifrat en flux i xifrat en bloc.
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L'objectiu d'aquest treball és seleccionar un sistema de gestió de continguts de codi obert i dissenyar el web d'uns estudis de la UOC amb el programari escollit. Per a això, es comproven les capacitats d'aquest programari en la gestió del contingut del web: creació de nous continguts, expansió, permisos d'accés, flux de treball, etc.
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Un portal comunitari configurat de tal manera que asseguri el flux, la privadesa i confidencialitat de la informació. Les eines del portal no són res de nou: Fòrum públic i privat, gestió de fitxers, flux d'informació, calendari d'esdeveniments i configuracions de grups (i.g. Proveïdors de confiança); la novetat està en l'enfocament.
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Aquest treball té com a objectiu determinar l'existència de restriccions en el finançament de projectes empresarials de recerca i desenvolupament (R+D) i analitzar-ne les causes. Els resultats de la investigació mostren els fets següents: en primer lloc, hi ha restriccions financeres per a la realització d'inversions en R+D i es manifesten en la necessitat de les empreses de recórrer a recursos interns i a fons aliens a curt termini; en segon lloc, les restriccions esmentades fonamentalment sorgeixen a causa de dos factors, el desequilibri entre les característiques econòmiques de les inversions d'R+D i el comportament dels agents finançadors en els mercats de capitals, i l'existència d'asimetries d'informació entre agents gestors i finançadors; finalment, en tercer lloc, la formulació per part de les empreses de més informació comptable sobre l'R+D desenvolupada comporta la millora de la valoració de l'empresa en els mercats financers i, per tant, l'assignació de fons als processos d'innovació.
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Incluye: Guía rápida -- Tabla de conversión de opioides -- Escala visual numérica (EVN
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Coordinadores: María J. Escudero Carretero, Pablo Simón Lorda
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Ayudas concedidas por la Consejería de Salud de la Junta de Andalucía (Expediente: 0020/2006); por el Fondo de Investigación Sanitaria (Expediente PI071176) y los Fondos FEDER de la Unión Europea
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La present comunicació analitza les implicacions legals que des d'un punt de vista del dret d'autor tenen els actes d'explotació que duen a terme les biblioteques amb les obres que integren els seus fons, així com els límits que necessitem veure reflectits en el marc legal estatal per poder continuar duent-les a terme. Tot això a la llum dels canvis legals que la transposició de la Directiva 2001/29/CE relativa a l'harmonització de determinats aspectes dels drets d'autor i drets afins als drets d'autor en la societat de la informació suposarà.
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Background. DNA-damage assays, quantifying the initial number of DNA double-strand breaks induced by radiation, have been proposed as a predictive test for radiation-induced toxicity. Determination of radiation-induced apoptosis in peripheral blood lymphocytes by flow cytometry analysis has also been proposed as an approach for predicting normal tissue responses following radiotherapy. The aim of the present study was to explore the association between initial DNA damage, estimated by the number of double-strand breaks induced by a given radiation dose, and the radio-induced apoptosis rates observed. Methods. Peripheral blood lymphocytes were taken from 26 consecutive patients with locally advanced breast carcinoma. Radiosensitivity of lymphocytes was quantified as the initial number of DNA double-strand breaks induced per Gy and per DNA unit (200 Mbp). Radio-induced apoptosis at 1, 2 and 8 Gy was measured by flow cytometry using annexin V/propidium iodide. Results. Radiation-induced apoptosis increased in order to radiation dose and data fitted to a semi logarithmic mathematical model. A positive correlation was found among radio-induced apoptosis values at different radiation doses: 1, 2 and 8 Gy (p < 0.0001 in all cases). Mean DSB/Gy/DNA unit obtained was 1.70 ± 0.83 (range 0.63-4.08; median, 1.46). A statistically significant inverse correlation was found between initial damage to DNA and radio-induced apoptosis at 1 Gy (p = 0.034). A trend toward 2 Gy (p = 0.057) and 8 Gy (p = 0.067) was observed after 24 hours of incubation. Conclusions. An inverse association was observed for the first time between these variables, both considered as predictive factors to radiation toxicity.
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The human leukocyte antigen (HLA) DRB1*1501 has been consistently associated with multiple sclerosis (MS) in nearly all populations tested. This points to a specific antigen presentation as the pathogenic mechanism though this does not fully explain the disease association. The identification of expression quantitative trait loci (eQTL) for genes in the HLA locus poses the question of the role of gene expression in MS susceptibility. We analyzed the eQTLs in the HLA region with respect to MS-associated HLA-variants obtained from genome-wide association studies (GWAS). We found that the Tag of DRB1*1501, rs3135388 A allele, correlated with high expression of DRB1, DRB5 and DQB1 genes in a Caucasian population. In quantitative terms, the MS-risk AA genotype carriers of rs3135388 were associated with 15.7-, 5.2- and 8.3-fold higher expression of DQB1, DRB5 and DRB1, respectively, than the non-risk GG carriers. The haplotype analysis of expression-associated variants in a Spanish MS cohort revealed that high expression of DRB1 and DQB1 alone did not contribute to the disease. However, in Caucasian, Asian and African American populations, the DRB1*1501 allele was always highly expressed. In other immune related diseases such as type 1 diabetes, inflammatory bowel disease, ulcerative colitis, asthma and IgA deficiency, the best GWAS-associated HLA SNPs were also eQTLs for different HLA Class II genes. Our data suggest that the DR/DQ expression levels, together with specific structural properties of alleles, seem to be the causal effect in MS and in other immunopathologies rather than specific antigen presentation alone.
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BACKGROUND: Systemic lupus erythematosus (SLE) is a prototypical autoimmune disease in which increased apoptosis and decreased apoptotic cells removal has been described as most relevant in the pathogenesis. Long-chain acyl-coenzyme A synthetases (ACSLs) have been involved in the immunological dysfunction of mouse models of lupus-like autoimmunity and apoptosis in different in vitro cell systems. The aim of this work was to assess among the ACSL isoforms the involvement of ACSL2, ACSL4 and ACSL5 in SLE pathogenesis. FINDINGS: With this end, we determined the ACSL2, ACSL4 and ACSL5 transcript levels in peripheral blood mononuclear cells (PBMCs) of 45 SLE patients and 49 healthy controls by quantitative real time-PCR (q-PCR). We found that patients with SLE had higher ACSL5 transcript levels than healthy controls [median (range), healthy controls =16.5 (12.3-18.0) vs. SLE = 26.5 (17.8-41.7), P = 3.9x10 E-5] but no differences were found for ACSL2 and ACSL4. In in vitro experiments, ACSL5 mRNA expression was greatly increased when inducing apoptosis in Jurkat T cells and PBMCs by Phorbol-Myristate-Acetate plus Ionomycin (PMA+Io). On the other hand, short interference RNA (siRNA)-mediated silencing of ACSL5 decreased induced apoptosis in Jurkat T cells up to the control levels as well as decreased mRNA expression of FAS, FASLG and TNF. CONCLUSIONS: These findings indicate that ACSL5 may play a role in the apoptosis that takes place in SLE. Our results point to ACSL5 as a potential novel functional marker of pathogenesis and a possible therapeutic target in SLE
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2ª edición publicada en 2014: http://www.repositoriosalud.es/handle/10668/1758
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Este proyecto ha sido financiado a cargo de los fondos para las estrategias 2010 del Ministerio de Sanidad y Política Social que fueron aprobados en el CISNS de fecha 10 de Febrero de 2010, como apoyo a la implementación a la estrategia de Salud Perinatal
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End-of-life healthcare in any part of the world is always rife with ethical conflicts and legal challenges. In this matter, the opinions and preferences of patients, family members, healthcare professionals, society as a whole and politicians may differ or diverge entirely1. Nevertheless, death comes to all eventually; it is part of human life itself. The fact remains that we will all die. Therefore, it is natural for all societies to seek the necessary consensus for guaranteeing that individuals can live, and die, in a way befitting their nature, i.e., humanely and with full dignity. This article tells the story of how the citizens of Andalusia, in the south of Spain, reached this majority consensus during the process of drafting and approving a law regulating this issue: Law 2/2010, of 8 April, on personal rights and guarantees to die in dignity.