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Este estudio tiene como objetivo explorar la contribución conjunta de la personalidad, la ira al conducir y la pasión en la predicción de las infracciones de tráfico. Además, se caracterizó un perfil de conductores más propensos a cometer infracciones de tráfico. Para lograr estos objetivos, 569 conductores completaron un cuestionario de autoinforme. Se encontró que el psicoticismo, la impulsividad, la búsqueda de sensaciones, la ira al conducir y la pasión obsesiva predecían las infracciones de tráfico. Además, los resultados demostraron que la ira al conducir y la impulsividad mediaban el efecto del neuroticismo en las infracciones de tráfico. Finalmente, se observó que los conductores con más infracciones de tráfico eran hombres, más jóvenes, tenían menos experiencia al volante, habían tenido más accidentes de tráfico y eran responsables de más de ellos.

Quantum information science and engineering require novel low-loss magnetic materials for magnon-based quantum-coherent operations. The search for low-loss magnetic materials, traditionally driven by applications in microwave electronics near room temperature, has gained additional constraints from the need to operate at cryogenic temperatures for many applications in quantum information science and technology. Whereas yttrium iron garnet (YIG) has been the material of choice for decades, the emergence of molecule-based materials with robust magnetism and ultra-low damping has opened new avenues for exploration. Specifically, thin films of vanadium tetracyanoethylene (V[TCNE]x) can be patterned into the multiple, connected structures needed for hybrid quantum elements and have shown roomtemperature Gilbert damping (α=4x10-5) that rivals the intrinsic (bulk) damping otherwise seen only in highly polished YIG spheres (far more challenging to integrate into arrays). Here, the authors present a comprehensive and systematic study of the low-temperature magnetization dynamics for V[TCNE]x thin films, with implications for their application in quantum systems. These studies reveal a temperaturedriven, strain-dependent magnetic anisotropy that compensates the thin-film shape anisotropy and the recovery of a magnetic resonance linewidth at 5K that is comparable to room-temperature values (roughly 2G at 9.4 GHz). The authors can account for these variations of the V[TCNE]x linewidth within the context of scattering from very dilute paramagnetic impurities and anticipate additional linewidth narrowing as the temperature is further reduced. [ABSTRACT FROM AUTHOR]

Orb-weaver spiders produce upwards of seven different types of silk, each with unique material properties. We focus on the adhesive within orb-weaving spider webs, aggregate glue silk. These droplets are composed of three main components: water, glycoproteins, and a wide range of low molecular mass compounds (LMMCs). These LMMCs are known to play a crucial role in maintaining the material properties of the glycoproteins, aid in water absorption from the environment, and increase surface adhesion. Orb-weavers within the Cyrtarachninae subfamily are moth specialists and have evolved glue droplets with novel material properties. This study investigated the biochemical composition and diversity of the LMMCs present in the aggregate glue of eight moth-specialist species and compared them with five generalist orb-weavers using nuclear magnetic resonance (NMR) spectroscopy. We hypothesized that the novel drying ability of moth-specialist glue was accompanied by novel LMMCs and lower overall percentages by silk weight of LMMCs. We measured no difference in LMMC weight by the type of prey specialization, but observed novel compositions in the glue of all eight moth-catching species. Further, we quantified the presence of a previously reported but unidentified compound that appears in the glue of all moth specialists. These silks can provide insight into the functions of bioadhesives and inform our own synthetic adhesives.

The effect of modification of δ-FeOOH with niobium, applied to dehydration reaction of xylose, was evaluated by experimental and theoretical methods. The experimental data confirmed, namely the characteristic peaks in the X-ray diffractometer analysis, that the materials were obtained. Inductively coupled plasma mass spectrometry analysis defined the percentage of Nb as 0 for pure δ-FeOOH and 9.5 wt. % (δ-FeOOH/Nb) for doped. In relation to obtaining furfural, the doped material presents a conversion improvement of 290 % when compared to pure catalyst. Theoretical calculations were useful in understanding the preferential route of the mechanisms proposed by the obtained potential energy values. To understand the preferred routes, the most favorable position of xylose in relation to δ-FeOOH was initially calculated. From this, the conditions favoring furfural formation were calculated based on the routes of the proposed mechanisms and the energy values indicated that the furfural formation is more likely to happen on the doped material.

O estudo do Prof. Cândido de Oliveira Ribeiro, do Departamento de Patologia do Hospital Mario Kroeff, aponta os aspectos históricos e análise de 45 casos sobre carcinoma primitivo do fígado

Living donor kidney transplantation (LDKT) is the best treatment option for end stage renal disease in terms of both patient and graft survival. However, figures on LDKT in Spain that had been continuously growing from 2005 to 2014, have experienced a continuous decrease in the last five years.One possible explanation for this decrease is that the significant increase in the number of deceased donors in Spain during the last years, both brain death and controlled circulatory death donors, might have generated the false idea that we have coped with the transplant needs. Moreover, a greater number of deceased donor kidney transplants have caused a heavy workload for the transplant teams.Furthermore, the transplant teams could have moved on to a more conservative approach to the information and assessment of patients and families considering the potential long-term risks for donors in recent papers. However, there is a significant variability in the LDKT rate among transplant centers and regions in Spain independent of their deceased donor rates. This fact and the fact that LDKT is usually a preemptive option for patients with advanced chronic renal failure, as time on dialysis is a negative independent factor for transplant outcomes, lead us to conclude that the decrease in LDKT depends on other factors.Thus, in the kidney transplant annual meeting held at ONT site in 2018, a working group was created to identify other causes for the decrease of LDKT in Spain and its relationship with the different steps of the process. The group was formed by transplant teams, a representative of the transplant group of the Spanish Society of Nephrology (SENTRA), a representative of the Spanish Society of Transplants (SET) and representatives of the Spanish National Transplant Organization (ONT).A self-evaluation survey that contains requests about the phases of the LDKT processes (information, donor work out, informed consent, surgeries, follow-up and human resources) were developed and sent to 33 LDKT teams. All the centers answered the questionnaire. The analysis of the answers has resulted in the creation of a national analysis of strengths, weaknesses, opportunities, threats (SWOT) of the LDKT program in Spain and the development of recommendations targeted to improve every step of the donation process. The work performed, the conclusions and recommendations provided, have been reflected in the following report: Spanish living donor kidney transplant program assessment: recommendations for optimization. This document has also been reviewed by a panel of experts, representatives of the scientific societies (Spanish Society of Urology (AEU), Spanish Society of Nephrology Nursery (SEDEN), Spanish Society of Immunology (SEI/GETH)) and the patient association ALCER. Finally, the report has been submitted to public consultation, reaching ample consensus. In addition, the transplant competent authorities of the different regions in Spainhave adopted the report at institutional level.The work done and the recommendations to optimize LDKT are summarized in the present manuscript, organized by the different phases of the donation process. Resumen: El trasplante renal de donante vivo (TRDV) es la opción terapéutica con las mejores expectativas de supervivencia para el injerto y para el paciente con insuficiencia renal terminal; sin embargo, este tipo de trasplantes ha experimentado un descenso progresivo en los últimos años en España.Entre las posibles explicaciones del descenso de actividad se encuentra la coincidencia en el tiempo con un aumento en el número de donantes renales fallecidos, tanto por muerte encefálica como por asistolia controlada, que podría haber generado una falsa impresión de ausencia de necesidad del TRDV. Además, la disponibilidad de un mayor número de riñones para trasplante habría supuesto un incremento en la carga de trabajo de los profesionales que pudiera enlentecer los procesos de donación en vida. Otro posible argumento radica en un posible cambio de actitud hacia posturas más conservadoras a la hora de informar a pacientes y a familiares acerca de esta opción terapéutica, a raíz de los artículos publicados respecto al riesgo de la donación a largo plazo. Sin embargo, existe una importantísima variabilidad en la actividad entre centros y comunidades autónomas, no explicada por el volumen de trasplante procedente de otros tipos de donante. Este dato, unido a que la indicación de donación renal en vida se realiza de manera mayoritaria en situación de enfermedad renal crónica avanzada (ERCA) y que el tiempo en diálisis es un factor pronóstico negativo respecto a la supervivencia postrasplante, permite concluir que el descenso depende además de otros factores.Por este motivo, en la reunión anual de equipos de trasplante renal, celebrada en la sede de la Organización Nacional de Trasplantes (ONT) en 2018, se constituyó un grupo de trabajo formado por equipos de trasplante renal, el grupo de trasplantes de la Sociedad Española de Nefrología (SEN) (SENTRA), la Sociedad Española de Trasplantes (SET) y la ONT, con el objetivo de identificar otras causas que condicionaron el descenso de la actividad de este tipo de trasplantes en España y su posible relación con la gestión del proceso de donación de vivo.El grupo de trabajo diseñó un cuestionario de autoevaluación, que fue cumplimentado por las 33 unidades de trasplante renal de donante vivo activas en España. El cuestionario contiene preguntas sobre las diferentes fases del proceso de donación de vivo: información inicial, estudio del donante vivo e información de los riesgos, consentimiento, recursos humanos (RRHH), nefrectomía, trasplante y seguimiento posterior.El análisis de las respuestas ha dado como resultado la creación de un análisis de debilidades, amenazas, fortalezas y oportunidades (DAFO) del programa a nivel nacional y ha permitido elaborar recomendaciones específicas dirigidas a mejorar cada una de las fases del proceso de donación en vida. El documento, denominado Análisis de situación del trasplante renal de donante vivo y hoja de ruta ha sido también revisado por un panel de expertos en TRDV, representantes de varias sociedades científicas implicadas (Asociación Espa˜nola de Urología [AEU], Sociedad Espa˜nola de Enfermería Nefrológica [SEDEN], Sociedad Espa˜nola de Inmunología [SEI/GETH]), el Grupo de Trabajo Enfermedad Renal Crónica Avanzada (ACERCA), la Asociación de Pacientes para la Lucha Contra la Enfermedad Renal (ALCER) y sometido posteriormente a consulta pública. Tras incluir las mejoras sugeridas, el documento final ha sido adoptado institucionalmente en el Consejo Interterritorial de Trasplantes (CIT) del Sistema Nacional de Salud.El trabajo realizado y las recomendaciones para optimizar el TRVD se describen a lo largo del presente artículo, organizados por los diferentes apartados del proceso de donación.

Um estudo realizado no Instituto Mineiro de Oncologia, no período de 1986 a 1992, envolveu 158 pacientes com câncer de esôfago. Destes, 47 (29,74%) foram submetidos a radioterapia (4400 cGy) e, um mês após, à esofagectomia. A histopatologia das peças ressecadas revelou a presença de tumor residual em 34 (72,34%) delas.

Most human hantavirus infections occur in Asia, but some cases have been described in Europe in travelers returning from Asia. We describe a case of hantavirus pulmonary syndrome in a previously healthy traveler occurring shortly after he returned to Spain from Nepal. Serologic tests suggested a Puumala virus–like infection.

Spiders use various combinations of silks, adhesives, and behaviors to ensnare prey. One common but difficult-to-catch prey is moths. They easily escape typical orb-webs because their bodies are covered in tiny sacrificial scales that flake off when in contact with the web’s adhesives. This defense is defeated by spiders of the sub-family of Cyrtarachninae—moth-catching specialists who combine changes in orb-web structure, predatory behavior, and chemistry of the aggregate glue placed in those webs. The most extreme changes in web structure are shown by the bolas spiders which create only one or two glue droplets at the end of a single thread. They prey on male moths by releasing pheromones to draw them close. Here, we confirm the hypothesis that the spinning behavior of the spider is directly used to spin its glue droplets using a high-speed video camera to observe the captured behavior of the bolas spider Cladomelea akermani as it actively spins its body and bolas. We use the kinematics of the spider and bolas to begin to quantify and model the physical and mechanical properties of the bolas during prey capture. We then examine why this species chooses to spin its body, an energetically costly behavior, during prey capture. We test the hypothesis that spinning helps to spread pheromones by creating a computational fluid dynamics model of airflow within an open field and comparing it to that of airflow within a tree, a common environment for bolas spiders that do not spin. Spinning in an open environment creates turbulent air, spreading pheromones further and creating a pocket of pheromones. Conversely, spinning within a tree does little to affect the natural airflow.

Spiders use various combinations of silks, adhesives, and behaviors to ensnare and trap prey. A common but difficult to catch prey in most spider habitats are moths. They easily escape typical orb-webs because their bodies are covered in sacrificial scales that flake off when in contact with the web’s adhesives. This defense is defeated by spiders of the sub-family of Cyrtarachninae, moth-catching specialists who combine changes in orb-web structure, predatory behavior, and chemistry of the aggregate glue placed in those webs. The most extreme changes in web structure are shown by bolas spiders, who create a solitary capture strand containing only one or two glue droplets at the end of a single thread. They prey on male moths by releasing pheromones to draw them within range of their bolas, which they flick to ensnare the moth. We used a high-speed video camera to capture the behavior of the bolas spider Mastophora hutchinsoni. We calculated the kinematics of spiders and moths in the wild to model the physical and mechanical properties of the bolas during prey capture, the behavior of the moth, and how these factors lead to successful prey capture. We created a numerical model to explain the mechanical behavior of the bolas silk during prey capture. Our kinematic analysis shows that the material properties of the aggregate glue bolas of M. hutchinsoni are distinct from that of the other previously analyzed moth-specialist, Cyrtarachne akirai. The spring-like behavior of the M. hutchinsoni bolas suggests it spins a thicker liquid.

Within what is known as the affective domain, attitudes towards mathematics have received strong interest over the last decades. Several studies point out that attitudes are a key factor in understanding and explaining the of high students’ variability results in mathematics. However, currently there are few instrument available for math attitudes assessment in Spanish They are mostly targeted to colleges, high school, and primary school students. Few assessment tools are available for Early Childhood Education. This study aims to outline the design and development of an Early Mathematics Attitudes Scale (ESAMAT). The different phases for the instrument design are described. Likewise, the dimensions included within the general concept of attitudes are also exposed, such as: math enjoyment, perceived difficulty, math importance or usefulness, math self-concept and curiosity towards math. The early finding of a negative predisposition to mathematics can be very significant to reduce the risk of academic failure in mathematic.

In discrete electronics, the statistical variability of device parameters is seldom given in datasheets, at least in such a way that this information can still be useful at design phase. Furthermore, even though several device manufacturers provide simulation models for simulation tools, the device-to-device and lot-to-lot variability of specific parameters is not included in such characterizations, and statistical simulation data is rarely provided, which calls into question the effectiveness of such models. The goal of the present work is twofold. First, it aims to provide a simple but reasonably accurate fitting approach with physical meaning to the static IV curves of long-channel MOSFET transistors. Secondly, it also finds pedagogical purposes, having practical applicability in undergraduate courses of fundamental electronics, as it targets the use of a straightforward approach to derive parameters useful for hand calculations in lab experiments based on experimental data with statistical support.

Reconhecendo a necessidade de cumprir o seu papel social, na década de 90, a Universidade Federal da Bahia (UFBA) criou o Programa “UFBA em Campo” objetivando aproximar a Universidade e a Comunidade através de ações extensionistas. Tal iniciativa foi reformulada em 2013 como Ação Curricular em Comunidade e Sociedade (ACCS), componente curricular para cursos de graduação e pós-graduação, cuja comunidade universitária, juntamente com grupos sociais, constroem ações de extensão que promovam o intercâmbio, a reelaboração e a produção de conhecimento sobre a realidade com perspectiva de transformação. Neste contexto, foi criada, em 2007, a ACCS BIO A82 “Programa Social de Educação, Vocação e Divulgação Científica na Bahia”, que vincula um conjunto de projetos na área de ensino de ciências, formação de professores e divulgação científica, de caráter orgânico-institucional, com clareza de diretrizes e voltados a um objetivo comum: a cultura científica. Objetivamos analisar a experiência de estudantes de graduação da UFBA com o método educomunicativo na produção de vídeos nas Oficinas “Educomciência: construindo vídeos com e para o público jovem”. A pesquisa, de natureza qualitativa, foi conduzida com base no método Educomunicação de Mario Kaplún (1987), Sebastião, Bortoliero e Lira-da-Silva (2013), Sebastião et al. (2014) e Lira-da-Silva et al. (2017, 2018), a partir da condução de 3 Oficinas em três comunidades tradicionais da Bahia, Brasil. Concluímos que os estudantes consideraram as Oficinas de vídeo conduzidas pelo método educomunicativo como uma experiência positiva, fora dos padrões das disciplinas obrigatórias curriculares da Universidade e ressaltaram a contribuição da ACCS nos seus contextos formativos.

Sap flow measurements of trees are today the most common method to determine evapotranspiration at the tree and the forest/crop canopy level. They provide independent measurements for flux comparisons and model validation. The most common approach to measure the sap flow is based on intrusive solutions with heaters and thermal sensors. This sap flow sensor technology is not very reliable for more than one season crop; it is intrusive and not adequate for low diameter trunk trees. The non-invasive methods comprise mostly Radio-frequency (RF) technologies, typically using satellite or air-born sources. This system can monitor large fields but cannot measure sap levels of a single plant (precision agriculture). This article studies the hypothesis to use of RF signals attenuation principle to detect variations in the quantity of water present in a single plant. This article presents a well-defined experience to measure water content in leaves, by means of high gains RF antennas, spectrometer, and a robotic arm. Moreover, a similar concept is studied with an off-the-shelf radar solution—for the automotive industry—to detect changes in the water presence in a single plant and leaf. The conclusions indicate a novel potential application of this technology to precision agriculture as the experiments data is directly related to the sap flow variations in plant.

Orb webs produced by araneoid spiders depend upon aggregate glue-coated capture threads to retain their prey. Moths are challenging prey for most spiders because their scales detach and contaminate the glue droplets, significantly decreasing adhesion. Cyrtarachne are moth-specialist orb-weaving spiders whose capture threads adhere well to moths. We compare the adhesive properties and chemistry of Cyrtarachne aggregate glue to other orb-weaving spiders to test hypotheses about their structure, chemistry and performance that could explain the strength of Cyrtarachne glue. We show that the unusually large glue droplets on Cyrtarachne capture threads make them approximately 8 times more adhesive on glass substrate than capture threads from typical orb-weaving species, but Cyrtarachne adhesion is similar to that of other species after normalization by glue volume. Glue viscosity reversibly changes over 1000-fold in response to atmospheric humidity, and the adhesive strength of many species of orb spiders is maximized at a viscosity of approximately 105–106 cst where the contributions of spreading and bulk cohesion are optimized. By contrast, viscosity of Cyrtarachne aggregate glue droplets is approximately 1000 times lower at maximum adhesive humidity, likely facilitating rapid spreading across moth scales. Water uptake by glue droplets is controlled, in part, by hygroscopic low molecular weight compounds. NMR showed evidence that Cyrtarachne glue contains a variety of unknown low molecular weight compounds. These compounds may help explain how Cyrtarachne produces such exceptionally large and low viscosity glue droplets, and also why these glue droplets rapidly lose water volume after brief ageing or exposure to even slightly dry (e.g. < 80% RH) conditions, permanently reducing their adhesion. We hypothesize that the combination of large glue droplet size and low viscosity helps Cyrtarachne glue to penetrate the gaps between moth scales.

Francisco Antonio de Lorenzana y Buitrón (1722-1804) como personaje histórico genera una proyección advertida en una imagen continuada. Damos a conocer y analizamos los retratos de su etapa como arzobispo de México (1766-1772) y como arzobispo de Toledo (1772-1800), testimonios de su actividad social.

The purpose of this paper is to demonstrate the infl uence of Jansenism, namely through French authors, in Codex 13049 from the National Library of Portugal (BNP). The codex is composed of six parts, three of which are Portuguese translations of the work Défense de lʼÉglise Romaine contre les calomnies des Protestans, by French Jansenist Dom Gabriel Gerberon (1628-1711). Protestants (Calvinists) accused the Roman Church of being Pelagian. Dom Gerberon attempts to illustrate the differences between Catholic, Protestant and Pelagian doctrines concerning the mysteries of Predestination and Grace. The work includes a collection of dialogues between Deodatus and Romano that could be seen as a sort of Jansenist Catechism. The Codex also reveals the infl uence of other Jansenist authors such as Vivien de Laborde and Jérome Besoigne.

La trayectoria artística de Domingo Álvarez giró entre Madrid, Roma y Cádiz. Formado a las órdenes de artistas de la talla de Andrés de la Calleja, Francisco Preciado de la Vega o Anton Rafael Mengs, el éxito profesional le llegaba en la senectud cuando fue nombrado maestro de pintura de la Escuela de Nobles Artes de Cádiz. Mostrar una de las tantas personalidades que bebió directamente de las artes clásicas en el siglo XVIII es la finalidad de este trabajo.

There is a great controversy related to the role of occlusion and its usage on occlusal adjustment as a treatment of temporomandibular disorders. Occlusal adjustment is a clinical procedure in which modifications are done on teeth surfaces, restorations or prostheses, through selective wear or restorative materials addition, seeking to harmonize maxillo-mandibular functional aspects in centric occlusion and eccentric movements. The adjustment aims to obtain appropriate jaw stability free from premature contacts and occlusal interferences. The aim of this paper is to elucidate the role of occlusion and occlusal adjustment in Temporomandibular Dysfunction and to guide the professional when indicating it.

El presente artículo analiza la desconocida pintura de Luca Giordano, en España conocido como Lucas Jordán, "Inmaculada Concepción" del camarín de la Virgen del Prado de Ciudad Real. Pretendemos realizar comentarios y reflexiones sobre esta pintura y más concretamente las implicaciones artísticas y culturales que conlleva. El ambiente de devoción en Ciudad Real es el contexto de esta aportación. Es una obra de gran interés para el estudio de la producción de Lucas Jordán en España y para abogar por su puesta en valor.

Se describe el caso clínico de un paciente de 59 años de edad, con quistes renales, tratado en la Unidad de Diálisis del Hospital "Alberto Fernández Monte de Oca" del municipio de San Luis, en la provincia de Santiago de Cuba, quien durante el tratamiento hemodialítico presentó dolor abdominal de aparición brusca, difuso, de gran intensidad y se complicó tan gravemente que falleció. El resultado de la necropsia confirmó la presencia de riñones poliquísticos (con 5 kg de peso el derecho y 6 el izquierdo), insuficiencia renal crónica terminal y trombosis mesentérica superior.The case report of a 59 year-old patient with renal cysts, treated in the Dialysis Unit of "Alberto Fernández Monte de Oca" Hospital in San Luis municipality, from Santiago de Cuba is described. He presented with an intense and abrupt, diffused abdominal pain during the hemodialysis treatment, he had serious complications and so he died. The result of the autopsy confirmed the presence of polycystic kidneys (5 kg weight the right one and 6 the left one), terminal chronic renal failure and superior mesenteric thrombosis.

El síndrome de Sjögren (SS) es una enfermedad autoinmune sistémica que se caracteriza fundamentalmente por la presencia de xeroftalmía y xerostomía debido a la infiltración de las glándulas lagrimales y salivares por células linfoplasmocitarias. Al igual que en otras enfermedades autoinmunes sistémicas, las alteraciones hematológicas no son raras dentro del SS, e incluso pueden ser la primera manifestación en algunos pacientes. Por otra parte, la determinación sérica de diversas proteínas circulantes puede ser importante en el seguimiento clínico de estos pacientes, y datos analíticos como la hipergammaglobulinemia policlonal o la existencia de una velocidad de sedimentación globular (VSG) elevada, pueden orientar al diagnóstico de SS. Finalmente, la importancia del análisis del perfil inmunológico juega un papel esencial en el diagnóstico del paciente con SS primario.

El lupus eritematoso sistémico (LES) está considerado como una de las una enfermedades autoinmunes sistémicas (EAS) con mayor diversidad clínica y serológica, ya que puede afectar a cualquier órgano y producir una amplia variedad de manifestaciones clínicas. Dicha patología conlleva una importante morbilidad y mortalidad. Una de las afectaciones características del LES es la nefritis lúpica, que se asocia a una mortalidad del 8% a 10 años y al desarrollo de insuficiencia renal crónica hasta en un tercio de los pacientes.

Os manuais de fotografia do século XIX servem, neste artigo, para elaborar uma discussão a cerca da produção, do consumo e da circulação de retratos fotográficos no século XIX. Em suas páginas, podemos encontrar como conceitos artísticos e estilísticos eram utilizados por fotógrafos para a satisfação dos desejos de uma clientela ávida em compor sua própria imagem, conforme seus desejos, sonhos, ideologia, cultura, posição social.This paper intend to prepare a discussion about production, use and circulation of nineteenth century photograph portraits, based on a study of photograph manuals of that century. In those pages, we can notice how stylistic and artistic concepts were used by photographers to attend the request of an avid clientele in making it own image according to its desires, dreams, ideology, culture and social status.