La comunicación: su evolución en la empresa hasta la actualidad

Hoy en día, la comunicación externa desempeña un papel fundamental en las organizaciones, digamos que es tratada como cualquier otra herramienta que tiene la organización de la que hay que sacar el mayor rendimiento posible para conseguir beneficios, es decir, es un recurso de la empresa y como todos, hay que gestionarlo.Será interesante analizar cómo esta serie de procesos han ido evolucionando e innovándose a lo largo de los años, mientras han surgido una gran cantidad de herramientas nuevas para utilizar en este campo del ámbito empresarial.Grado en Comerci

Los Exploding Dots como método de resolución de problemas aditivos.

: Tras haber analizado la relación del alumnado del CEIP Las Mercedes (Islas Canarias; España) con las matemáticas, se ha determinado que las dificultades asociadas a los algoritmos en las operaciones básicas aditivas, es uno de los principales problemas que se encuentran. Por norma general, su aprendizaje está asociado a la memorización de un algoritmo, en lugar de a la comprensión de estos. Concretamente, los niños y niñas de entre 6 y 11 años, encuentran grandes dificultades en la asimilación de las llevadas. Con este proyecto de innovación se pretende facilitar el proceso de enseñanza-aprendizaje aportando nuevas herramientas que permitan comprender los algoritmos y, así, fomentar los objetivos propuestos por el Currículum de Canarias. Además, se pretende romper con la visión tradicional de estas operaciones y de sus algoritmos.After having analyzed the relationship of CEIP Las Mercedes (Canary Islands; Spain) students with mathematics, it has been determined that the difficulties associated with algorithms in basic additive operations are one of the main problems encountered. As a general rule, their learning is associated with memorizing an algorithm, rather than understanding it. Specifically, boys and girls between 6 and 11 years old, find great difficulties in assimilating the carried. The aim of this innovation project is to facilitate the teaching-learning process by providing new tools that allow us to understand the algorithms and, thus, promote the objectives proposed by the Canary Islands Curriculum. In addition, it is intended to break with the traditional vision of these operations and their algorithms

Citrate and Polyvinylpyrrolidone Stabilized Silver Nanoparticles as Selective Colorimetric Sensor for Aluminum (III) Ions in Real Water Samples

The use of silver nanoparticles stabilized with citrate and polyvinylpyrrolidone as a sensor for aluminum ions determination is proposed in this paper. These non-functionalized and specific nanoparticles provide a highly selective and sensitive detection system for aluminum in acidic solutions. The synthesized nanoparticles were characterized by transmission electron microscopy. Surface plasmon band deconvolution analysis was applied to study the interaction between silver nanoparticles and aluminum ions in solution. The interaction band in the UV-visible region was used as an analytical signal for quantitation purposes. The proposed detection system offers an effective AND wide linearity range (0.1-103 nM), specificity for Al(III) in THE presence of other metallic ions in solution, as well as high sensitivity (limit of detection = 40.5 nM). The proposed silver-nanoparticles-based sensor WAS successfully used for detecting Al(III) in real water samples.Spanish Ministerio de Economía y Competitividad, MinECo, CTQ2016-78703-P (AEI/FEDER, UE)España, Universidad de Sevilla ,V Plan Propio Grupos Emergentes (PP2016-5937)Junta de Andalucía (2017/FQM-386)CITIUS VI PP USO SSGG (1804031606

The Moderating Effect of Countries' Development on the Characterization of the Social Entrepreneur: An Empirical Analysis with GEM Data

The objective of this paper is to analyze the moderating effect that the level of development of countries exerts on the factors that define the behavior of social entrepreneurs, distinguishing the effect produced in innovation-driven economies from that in factor/efficiency-driven economies. Our study contributes to the advancement of one of the most relevant problems detected in social entrepreneurship research: the lack of empirical quantitative studies, mainly due to the lack of harmonized and comparable international data. We perform an empirical multivariable analysis using 2015 Global Entrepreneurship Monitor data related to social entrepreneurship. The results show that both the variables that measure the values and skills to start a business and those related to the environment differentiate social from commercial entrepreneurs. In addition, our findings show how the development of the country plays a decisive moderating role, modifying the effect of the values and skills to be a social entrepreneur, the influence of gender, and even the relevance of entrepreneurs'perception of their environment

Instruments to Assess Physical Activity in Primary Education Students with Autism Spectrum Disorder: A Systematic Review

The scientific evidence supports that physical inactivity in childhood is a reality throughout the world which generates important consequences in the global development of children. Young people with Autism Spectrum Disorder (ASD), due to the characteristics of the disorder they suffer, constitute a group at risk. Therefore, assessing the levels of physical activity (PA) in this group is fundamental for subsequent decision making and implementation of PA promotion programmes. Consequently, the aim of this systematic review was to identify, summarise and analyse the main instruments used to assess the levels of PA (in terms of time and/or intensity) in primary school children diagnosed with ASD. Scientific articles in English and Spanish published in five databases were reviewed: PsycINFO, WOS, SPORTDiscus, Scopus and PubMed, following the guidelines of the PRISMA statement. Out of the 605 articles identified, 12 met the previously established inclusion criteria. The instruments used by the studies analysed were divided into two main groups: accelerometers and questionnaires. Both showed different strengths and limitations but agreed on the low levels registered of PA in children with ASD. For this reason, it is considered necessary that further research be carried out in this field, as well as the development and implementation of sports programmes adjusted and adapted to the needs and characteristics of the ASD groupS

Validation of the oral health impact profile (OHIP-20sp) for Spanish edentulous patients

Objectives: The purposes of this study are to validate the indicator of Oral Health Impact Profile for edentulous patients (OHIP-20sp) in the Spanish population and to analyze the factorial construct of the prosthetic well-being. Study Design: A total of twenty-one (n=21) edentulous patients wearing mandibular implant-over dentures on Locator® (LO) and twenty (n=20) with complete dentures (CD) were retrospectively evaluated in this study. All participants were recruited consecutively and were treated in the previous academic year 2009-2010 by professors of the University of Salamanca. Reliability analyses and validity tests were performed in order to evaluate the psychometric properties of OHIP-20sp employing two different total score methods (additional and simple count). A retrospective evaluation of the impact of the prosthetic treatment was captured with an evaluative instrument derived from OHIP-20, and named POST-OHIP-13. Results: The reliability coefficient (Cronbach?s alpha = 0.91) has shown a high internal consistency. Item-total correlations coefficients ranged from 0.46 and 0.81. Five factors, named as disability, functional comfort, psychosocial impact, pain-discomfort and functional limitations were identified as principal components of the construct, explaining almost 85% of the variance. The 48% of the sample felt at least one impact in an occasional or more frequently manner (generally food packing). The global transition judgment of the prosthetic treatment using the POST-OHIP-13 was significantly higher in group LO than in the CD group. Conclusions: OHIP-20 seems to be a reliable and valid indicator to measure oral impact and satisfaction in the Spanish edentulous population. The underlying construct is comprised by 5 factors named as disability, functional comfort, psychosocial impact, pain-discomfort and functional limitations

Transcriptomic analysis of Streptomyces coelicolor differentiation in solid sporulating cultures: first compartmentalized and second multinucleated mycelia have different and distinctive transcriptomes

[EN] Streptomycetes are very important industrial bacteria, which produce two thirds of all clinically relevant secondary metabolites. They have a complex developmental-cycle in which an early compartmentalized mycelium (MI) differentiates to a multinucleated mycelium (MII) that grows inside the culture medium (substrate mycelium) until it starts to growth into the air (aerial mycelium) and ends up forming spores. Streptomyces developmental studies have focused mainly on the later stages of MII differentiation (aerial mycelium and sporulation), with regulation of pre-sporulation stages (MI/MII transition) essentially unknown. This work represents the first study of the Streptomyces MI transcriptome, analyzing how it differs from the MII transcriptome. We have used a very conservative experimental approach to fractionate MI from MII and quantify gene expressions. The expression of well characterized key developmental/metabolic genes involved in bioactive compound production (actinorhodin, undecylprodigiosin, calcium-dependent antibiotic, cpk, geosmin) or hydrophobic cover formation-sporulation (bld, whi, wbl, rdl, chp, ram) was correlated with MII differentiation. Additionally, 122 genes conserved in the Streptomyces genus, whose biological function had not been previously characterized, were found to be differentially expressed (more than 4-fold) in MI or MII. These genes encoded for putative regulatory proteins (transcriptional regulators, kinases), as well as hypothetical proteins. Knowledge about differences between the MI (vegetative) and MII (reproductive) transcriptomes represents a huge advance in Streptomyces biology that will make future experiments possible aimed at characterizing the biochemical pathways controlling pre-sporulation developmental stages and activation of secondary metabolism in StreptomycesSIThis research was funded by grant BIO2010-16303 from the Subdirección General de Proyectos de Investigación, (DGI), Ministry of Science and Innovation (MICINN), Spain; and by an ERC Starting Grant (Strp-differentiation 280304). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript

Porosity and hydric behavior of typical calcite microfabrics in stalagmites

Petrophysical techniques commonly used for material characterization are applied for the first time to speleothem samples to investigate the porosity and hydric behavior of calcite stalagmites used in paleoclimatology. These techniques allow the determination of the stalagmites' potential to undergo diagenetic transformations when substantial changes in drip waters occur in the cave environment. The petrophysical techniques include water absorption under vacuum and by capillarity, nuclear magnetic resonance, environmental scanning electron microscopy, and mercury intrusion porosimetry. The studied samples comprise five common calcite microfabrics, which have markedly different porosities and hydric behaviors and, as a consequence, different sensibilities to diagenetic processes related to the influx of water. The experiments show that stalagmites can behave as complex, small-scale hydrological systems and that the circulation of water through them by complex nets of interconnected pores might be common. As the circulation of water favors diagenetic transformations that involve geochemical and isotopic changes, the characterization of flow patterns is key for outlining areas that are susceptible to such modifications, which is critical to paleoclimatic studies that are based on speleothems because geochemical and stable isotopic data are used as paleoenvironmental proxies and absolute ages are obtained by using radioactive isotope ratios. These potential modifications also have obvious implications for studies based on fluid inclusions in speleothems. The integrated methodology, which uses primarily non-destructive techniques, shows a high potential for characterization of any type of speleothem and other continental carbonates such as tufas or sinters

“Today I Have Left My Armor at Home” Revisiting Jean Rhys’s Interwar Novels after the Ethical Turn

Within the critical interpretation that too often conflates life and fiction, the so-called "Jean Rhys woman" has resisted full assimilation by a feminist literary canon that advocates empowerment and agency. Browsing through Rhys's bibliography, it is interesting to note the considerable number of titles that suggest a commiserating attitude towards both the novelist and her female characters. Rhys's nomads, expatriates and zombielike figures have been analysed from the prism of postcolonial criticism as strongly inspired by the novelist's Caribbean background, their undecidable and precarious nature might be explained as part of what Butler has termed "certain exclusionary conceptions of who is normatively human". Other instances of abject corporealities can be found in Rhys's allusion to mannequins and inanimate bodies that elicited particular fascination in the interwar period, when huge numbers of injured soldiers acquired arms and legs prostheses, thus imposing new ways of thinking the body and its limits